id	sid	tid	token	lemma	pos
expositions-1773	1	1	microsoft	microsoft	PROPN
expositions-1773	1	2	word	word	PROPN
expositions-1773	1	3	alvarez	alvarez	PROPN
expositions-1773	1	4	final.docx	final.docx	PROPN
expositions-1773	1	5	[	[	X
expositions-1773	1	6	expositions	exposition	NOUN
expositions-1773	1	7	8.1	8.1	NUM
expositions-1773	1	8	(	(	PUNCT
expositions-1773	1	9	2014	2014	NUM
expositions-1773	1	10	)	)	PUNCT
expositions-1773	1	11	70–84	70–84	NOUN
expositions-1773	1	12	]	]	PUNCT
expositions-1773	1	13	expositions	exposition	NOUN
expositions-1773	1	14	(	(	PUNCT
expositions-1773	1	15	online	online	ADV
expositions-1773	1	16	)	)	PUNCT
expositions-1773	1	17	issn	issn	PROPN
expositions-1773	1	18	:	:	PUNCT
expositions-1773	1	19	1747–5376	1747–5376	NOUN
expositions-1773	1	20	  	  	SPACE
expositions-1773	1	21	we	we	PRON
expositions-1773	1	22	are	be	AUX
expositions-1773	1	23	stardust	stardust	PROPN
expositions-1773	1	24	…	…	PUNCT
expositions-1773	1	25	concentrated	concentrate	VERB
expositions-1773	1	26	by	by	ADP
expositions-1773	1	27	earth	earth	NOUN
expositions-1773	1	28	!	!	PUNCT
expositions-1773	2	1	walter	walter	PROPN
expositions-1773	2	2	alvarez	alvarez	PROPN
expositions-1773	2	3	university	university	PROPN
expositions-1773	2	4	of	of	ADP
expositions-1773	2	5	california	california	PROPN
expositions-1773	2	6	,	,	PUNCT
expositions-1773	2	7	berkeley	berkeley	PROPN
expositions-1773	2	8	the	the	DET
expositions-1773	2	9	audacious	audacious	ADJ
expositions-1773	2	10	aim	aim	NOUN
expositions-1773	2	11	of	of	ADP
expositions-1773	2	12	the	the	DET
expositions-1773	2	13	emerging	emerge	VERB
expositions-1773	2	14	field	field	NOUN
expositions-1773	2	15	of	of	ADP
expositions-1773	2	16	big	big	ADJ
expositions-1773	2	17	history	history	NOUN
expositions-1773	2	18	is	be	AUX
expositions-1773	2	19	to	to	PART
expositions-1773	2	20	see	see	VERB
expositions-1773	2	21	all	all	PRON
expositions-1773	2	22	of	of	ADP
expositions-1773	2	23	the	the	DET
expositions-1773	2	24	past	past	NOUN
expositions-1773	2	25	as	as	ADP
expositions-1773	2	26	a	a	DET
expositions-1773	2	27	unified	unified	ADJ
expositions-1773	2	28	field	field	NOUN
expositions-1773	2	29	of	of	ADP
expositions-1773	2	30	study	study	NOUN
expositions-1773	2	31	,	,	PUNCT
expositions-1773	2	32	combining	combine	VERB
expositions-1773	2	33	insights	insight	NOUN
expositions-1773	2	34	from	from	ADP
expositions-1773	2	35	cosmology	cosmology	NOUN
expositions-1773	2	36	,	,	PUNCT
expositions-1773	2	37	astronomy	astronomy	NOUN
expositions-1773	2	38	,	,	PUNCT
expositions-1773	2	39	geology	geology	NOUN
expositions-1773	2	40	,	,	PUNCT
expositions-1773	2	41	paleontology	paleontology	NOUN
expositions-1773	2	42	,	,	PUNCT
expositions-1773	2	43	molecular	molecular	ADJ
expositions-1773	2	44	evolution	evolution	NOUN
expositions-1773	2	45	,	,	PUNCT
expositions-1773	2	46	paleoanthropology	paleoanthropology	NOUN
expositions-1773	2	47	,	,	PUNCT
expositions-1773	2	48	archaeology	archaeology	NOUN
expositions-1773	2	49	,	,	PUNCT
expositions-1773	2	50	and	and	CCONJ
expositions-1773	2	51	all	all	DET
expositions-1773	2	52	the	the	DET
expositions-1773	2	53	fields	field	NOUN
expositions-1773	2	54	of	of	ADP
expositions-1773	2	55	humanistic	humanistic	ADJ
expositions-1773	2	56	history	history	NOUN
expositions-1773	2	57	,	,	PUNCT
expositions-1773	2	58	in	in	ADP
expositions-1773	2	59	order	order	NOUN
expositions-1773	2	60	to	to	PART
expositions-1773	2	61	achieve	achieve	VERB
expositions-1773	2	62	a	a	DET
expositions-1773	2	63	whole	whole	ADJ
expositions-1773	2	64	new	new	ADJ
expositions-1773	2	65	level	level	NOUN
expositions-1773	2	66	of	of	ADP
expositions-1773	2	67	understanding	understanding	NOUN
expositions-1773	2	68	of	of	ADP
expositions-1773	2	69	the	the	DET
expositions-1773	2	70	human	human	ADJ
expositions-1773	2	71	situation	situation	NOUN
expositions-1773	2	72	.	.	PUNCT
expositions-1773	3	1	big	big	ADJ
expositions-1773	3	2	history	history	NOUN
expositions-1773	3	3	:	:	PUNCT
expositions-1773	3	4	between	between	ADP
expositions-1773	3	5	nothing	nothing	PRON
expositions-1773	3	6	and	and	CCONJ
expositions-1773	3	7	everything	everything	PRON
expositions-1773	3	8	,	,	PUNCT
expositions-1773	3	9	by	by	ADP
expositions-1773	3	10	david	david	PROPN
expositions-1773	3	11	christian	christian	PROPN
expositions-1773	3	12	,	,	PUNCT
expositions-1773	3	13	cynthia	cynthia	PROPN
expositions-1773	3	14	stokes	stokes	PROPN
expositions-1773	3	15	brown	brown	PROPN
expositions-1773	3	16	,	,	PUNCT
expositions-1773	3	17	and	and	CCONJ
expositions-1773	3	18	craig	craig	PROPN
expositions-1773	3	19	benjamin	benjamin	PROPN
expositions-1773	3	20	(	(	PUNCT
expositions-1773	3	21	2013	2013	NUM
expositions-1773	3	22	)	)	PUNCT
expositions-1773	3	23	,	,	PUNCT
expositions-1773	3	24	is	be	AUX
expositions-1773	3	25	the	the	DET
expositions-1773	3	26	first	first	ADJ
expositions-1773	3	27	textbook	textbook	NOUN
expositions-1773	3	28	for	for	ADP
expositions-1773	3	29	this	this	DET
expositions-1773	3	30	new	new	ADJ
expositions-1773	3	31	academic	academic	ADJ
expositions-1773	3	32	field	field	NOUN
expositions-1773	3	33	.	.	PUNCT
expositions-1773	4	1	having	having	AUX
expositions-1773	4	2	taught	teach	VERB
expositions-1773	4	3	big	big	ADJ
expositions-1773	4	4	history	history	NOUN
expositions-1773	4	5	at	at	ADP
expositions-1773	4	6	berkeley	berkeley	PROPN
expositions-1773	4	7	and	and	CCONJ
expositions-1773	4	8	seen	see	VERB
expositions-1773	4	9	the	the	DET
expositions-1773	4	10	enormous	enormous	ADJ
expositions-1773	4	11	enthusiasm	enthusiasm	NOUN
expositions-1773	4	12	it	it	PRON
expositions-1773	4	13	engenders	engender	VERB
expositions-1773	4	14	in	in	ADP
expositions-1773	4	15	students	student	NOUN
expositions-1773	4	16	who	who	PRON
expositions-1773	4	17	crave	crave	VERB
expositions-1773	4	18	to	to	PART
expositions-1773	4	19	see	see	VERB
expositions-1773	4	20	the	the	DET
expositions-1773	4	21	world	world	NOUN
expositions-1773	4	22	in	in	ADP
expositions-1773	4	23	broad	broad	ADJ
expositions-1773	4	24	perspective	perspective	NOUN
expositions-1773	4	25	,	,	PUNCT
expositions-1773	4	26	i	i	PRON
expositions-1773	4	27	am	be	AUX
expositions-1773	4	28	pleased	pleased	ADJ
expositions-1773	4	29	that	that	SCONJ
expositions-1773	4	30	we	we	PRON
expositions-1773	4	31	now	now	ADV
expositions-1773	4	32	have	have	VERB
expositions-1773	4	33	a	a	DET
expositions-1773	4	34	book	book	NOUN
expositions-1773	4	35	suitable	suitable	ADJ
expositions-1773	4	36	for	for	ADP
expositions-1773	4	37	big	big	ADJ
expositions-1773	4	38	history	history	NOUN
expositions-1773	4	39	courses	course	NOUN
expositions-1773	4	40	,	,	PUNCT
expositions-1773	4	41	but	but	CCONJ
expositions-1773	4	42	as	as	ADP
expositions-1773	4	43	a	a	DET
expositions-1773	4	44	geologist	geologist	NOUN
expositions-1773	4	45	,	,	PUNCT
expositions-1773	5	1	my	my	PRON
expositions-1773	5	2	(	(	PUNCT
expositions-1773	5	3	predictable	predictable	ADJ
expositions-1773	5	4	!	!	PUNCT
expositions-1773	5	5	)	)	PUNCT
expositions-1773	5	6	complaint	complaint	NOUN
expositions-1773	5	7	is	be	AUX
expositions-1773	5	8	that	that	SCONJ
expositions-1773	5	9	it	it	PRON
expositions-1773	5	10	could	could	AUX
expositions-1773	5	11	have	have	AUX
expositions-1773	5	12	told	tell	VERB
expositions-1773	5	13	more	more	ADJ
expositions-1773	5	14	about	about	ADP
expositions-1773	5	15	the	the	DET
expositions-1773	5	16	fascinating	fascinating	ADJ
expositions-1773	5	17	history	history	NOUN
expositions-1773	5	18	of	of	ADP
expositions-1773	5	19	earth	earth	NOUN
expositions-1773	5	20	.	.	PUNCT
expositions-1773	6	1	although	although	SCONJ
expositions-1773	6	2	big	big	ADJ
expositions-1773	6	3	history	history	NOUN
expositions-1773	6	4	includes	include	VERB
expositions-1773	6	5	the	the	DET
expositions-1773	6	6	regimes	regime	NOUN
expositions-1773	6	7	of	of	ADP
expositions-1773	6	8	cosmos	cosmos	PROPN
expositions-1773	6	9	,	,	PUNCT
expositions-1773	6	10	earth	earth	NOUN
expositions-1773	6	11	,	,	PUNCT
expositions-1773	6	12	life	life	NOUN
expositions-1773	6	13	,	,	PUNCT
expositions-1773	6	14	and	and	CCONJ
expositions-1773	6	15	humanity	humanity	NOUN
expositions-1773	6	16	,	,	PUNCT
expositions-1773	6	17	it	it	PRON
expositions-1773	6	18	is	be	AUX
expositions-1773	6	19	inherently	inherently	ADV
expositions-1773	6	20	anthropocentric	anthropocentric	ADJ
expositions-1773	6	21	,	,	PUNCT
expositions-1773	6	22	because	because	SCONJ
expositions-1773	6	23	we	we	PRON
expositions-1773	6	24	humans	human	NOUN
expositions-1773	6	25	are	be	AUX
expositions-1773	6	26	doing	do	VERB
expositions-1773	6	27	the	the	DET
expositions-1773	6	28	writing	writing	NOUN
expositions-1773	6	29	and	and	CCONJ
expositions-1773	6	30	because	because	SCONJ
expositions-1773	6	31	we	we	PRON
expositions-1773	6	32	know	know	VERB
expositions-1773	6	33	nothing	nothing	PRON
expositions-1773	6	34	about	about	ADP
expositions-1773	6	35	the	the	DET
expositions-1773	6	36	histories	history	NOUN
expositions-1773	6	37	that	that	PRON
expositions-1773	6	38	have	have	AUX
expositions-1773	6	39	unfolded	unfold	VERB
expositions-1773	6	40	on	on	ADP
expositions-1773	6	41	planets	planet	NOUN
expositions-1773	6	42	around	around	ADP
expositions-1773	6	43	other	other	ADJ
expositions-1773	6	44	stars	star	NOUN
expositions-1773	6	45	in	in	ADP
expositions-1773	6	46	this	this	DET
expositions-1773	6	47	and	and	CCONJ
expositions-1773	6	48	other	other	ADJ
expositions-1773	6	49	galaxies	galaxy	NOUN
expositions-1773	6	50	.	.	PUNCT
expositions-1773	7	1	the	the	DET
expositions-1773	7	2	centrality	centrality	NOUN
expositions-1773	7	3	of	of	ADP
expositions-1773	7	4	humans	human	NOUN
expositions-1773	7	5	is	be	AUX
expositions-1773	7	6	clear	clear	ADJ
expositions-1773	7	7	from	from	ADP
expositions-1773	7	8	the	the	DET
expositions-1773	7	9	christian	christian	PROPN
expositions-1773	7	10	-	-	PUNCT
expositions-1773	7	11	brown	brown	ADJ
expositions-1773	7	12	-	-	PUNCT
expositions-1773	7	13	benjamin	benjamin	NOUN
expositions-1773	7	14	book	book	NOUN
expositions-1773	7	15	,	,	PUNCT
expositions-1773	7	16	where	where	SCONJ
expositions-1773	7	17	human	human	ADJ
expositions-1773	7	18	beings	being	NOUN
expositions-1773	7	19	are	be	AUX
expositions-1773	7	20	the	the	DET
expositions-1773	7	21	focus	focus	NOUN
expositions-1773	7	22	of	of	ADP
expositions-1773	7	23	three	three	NUM
expositions-1773	7	24	quarters	quarter	NOUN
expositions-1773	7	25	of	of	ADP
expositions-1773	7	26	the	the	DET
expositions-1773	7	27	book	book	NOUN
expositions-1773	7	28	.	.	PUNCT
expositions-1773	8	1	as	as	ADP
expositions-1773	8	2	a	a	DET
expositions-1773	8	3	result	result	NOUN
expositions-1773	8	4	,	,	PUNCT
expositions-1773	8	5	the	the	DET
expositions-1773	8	6	history	history	NOUN
expositions-1773	8	7	of	of	ADP
expositions-1773	8	8	earth	earth	NOUN
expositions-1773	8	9	,	,	PUNCT
expositions-1773	8	10	the	the	DET
expositions-1773	8	11	only	only	ADJ
expositions-1773	8	12	possible	possible	ADJ
expositions-1773	8	13	home	home	NOUN
expositions-1773	8	14	for	for	ADP
expositions-1773	8	15	humans	human	NOUN
expositions-1773	8	16	far	far	ADV
expositions-1773	8	17	into	into	ADP
expositions-1773	8	18	the	the	DET
expositions-1773	8	19	foreseeable	foreseeable	ADJ
expositions-1773	8	20	future	future	NOUN
expositions-1773	8	21	,	,	PUNCT
expositions-1773	8	22	gets	get	VERB
expositions-1773	8	23	only	only	ADV
expositions-1773	8	24	a	a	DET
expositions-1773	8	25	few	few	ADJ
expositions-1773	8	26	pages	page	NOUN
expositions-1773	8	27	.	.	PUNCT
expositions-1773	9	1	the	the	DET
expositions-1773	9	2	information	information	NOUN
expositions-1773	9	3	presented	present	VERB
expositions-1773	9	4	about	about	ADP
expositions-1773	9	5	our	our	PRON
expositions-1773	9	6	earth	earth	NOUN
expositions-1773	9	7	—	—	PUNCT
expositions-1773	9	8	especially	especially	ADV
expositions-1773	9	9	about	about	ADP
expositions-1773	9	10	the	the	DET
expositions-1773	9	11	evolution	evolution	NOUN
expositions-1773	9	12	of	of	ADP
expositions-1773	9	13	the	the	DET
expositions-1773	9	14	atmosphere	atmosphere	NOUN
expositions-1773	9	15	and	and	CCONJ
expositions-1773	9	16	about	about	ADP
expositions-1773	9	17	plate	plate	NOUN
expositions-1773	9	18	tectonics	tectonic	NOUN
expositions-1773	9	19	—	—	PUNCT
expositions-1773	9	20	is	be	AUX
expositions-1773	9	21	relevant	relevant	ADJ
expositions-1773	9	22	and	and	CCONJ
expositions-1773	9	23	important	important	ADJ
expositions-1773	9	24	to	to	PART
expositions-1773	9	25	know	know	VERB
expositions-1773	9	26	,	,	PUNCT
expositions-1773	9	27	but	but	CCONJ
expositions-1773	9	28	it	it	PRON
expositions-1773	9	29	is	be	AUX
expositions-1773	9	30	just	just	ADV
expositions-1773	9	31	the	the	DET
expositions-1773	9	32	beginning	beginning	NOUN
expositions-1773	9	33	of	of	ADP
expositions-1773	9	34	the	the	DET
expositions-1773	9	35	fascinating	fascinating	ADJ
expositions-1773	9	36	history	history	NOUN
expositions-1773	9	37	of	of	ADP
expositions-1773	9	38	the	the	DET
expositions-1773	9	39	earth	earth	NOUN
expositions-1773	9	40	that	that	PRON
expositions-1773	9	41	geologists	geologist	NOUN
expositions-1773	9	42	have	have	AUX
expositions-1773	9	43	dug	dig	VERB
expositions-1773	9	44	up	up	ADP
expositions-1773	9	45	.	.	PUNCT
expositions-1773	10	1	a	a	DET
expositions-1773	10	2	short	short	ADJ
expositions-1773	10	3	time	time	NOUN
expositions-1773	10	4	spent	spend	VERB
expositions-1773	10	5	perusing	peruse	VERB
expositions-1773	10	6	the	the	DET
expositions-1773	10	7	recent	recent	ADJ
expositions-1773	10	8	geological	geological	ADJ
expositions-1773	10	9	literature	literature	NOUN
expositions-1773	10	10	would	would	AUX
expositions-1773	10	11	probably	probably	ADV
expositions-1773	10	12	convince	convince	VERB
expositions-1773	10	13	you	you	PRON
expositions-1773	10	14	that	that	PRON
expositions-1773	10	15	geology	geology	NOUN
expositions-1773	10	16	is	be	AUX
expositions-1773	10	17	currently	currently	ADV
expositions-1773	10	18	by	by	ADP
expositions-1773	10	19	far	far	ADV
expositions-1773	10	20	the	the	DET
expositions-1773	10	21	greatest	great	ADJ
expositions-1773	10	22	source	source	NOUN
expositions-1773	10	23	of	of	ADP
expositions-1773	10	24	new	new	ADJ
expositions-1773	10	25	historical	historical	ADJ
expositions-1773	10	26	information	information	NOUN
expositions-1773	10	27	coming	come	VERB
expositions-1773	10	28	from	from	ADP
expositions-1773	10	29	any	any	DET
expositions-1773	10	30	branch	branch	NOUN
expositions-1773	10	31	of	of	ADP
expositions-1773	10	32	big	big	ADJ
expositions-1773	10	33	history	history	NOUN
expositions-1773	10	34	,	,	PUNCT
expositions-1773	10	35	and	and	CCONJ
expositions-1773	10	36	it	it	PRON
expositions-1773	10	37	seems	seem	VERB
expositions-1773	10	38	a	a	DET
expositions-1773	10	39	shame	shame	NOUN
expositions-1773	10	40	for	for	ADP
expositions-1773	10	41	big	big	ADJ
expositions-1773	10	42	historians	historian	NOUN
expositions-1773	10	43	not	not	PART
expositions-1773	10	44	to	to	PART
expositions-1773	10	45	be	be	AUX
expositions-1773	10	46	familiar	familiar	ADJ
expositions-1773	10	47	with	with	ADP
expositions-1773	10	48	and	and	CCONJ
expositions-1773	10	49	excited	excited	ADJ
expositions-1773	10	50	about	about	ADP
expositions-1773	10	51	this	this	DET
expositions-1773	10	52	treasure	treasure	NOUN
expositions-1773	10	53	house	house	NOUN
expositions-1773	10	54	of	of	ADP
expositions-1773	10	55	growing	grow	VERB
expositions-1773	10	56	understanding	understanding	NOUN
expositions-1773	10	57	.	.	PUNCT
expositions-1773	11	1	in	in	ADP
expositions-1773	11	2	this	this	DET
expositions-1773	11	3	essay	essay	NOUN
expositions-1773	11	4	,	,	PUNCT
expositions-1773	11	5	to	to	PART
expositions-1773	11	6	convey	convey	VERB
expositions-1773	11	7	the	the	DET
expositions-1773	11	8	flavor	flavor	NOUN
expositions-1773	11	9	of	of	ADP
expositions-1773	11	10	earth	earth	NOUN
expositions-1773	11	11	history	history	NOUN
expositions-1773	11	12	and	and	CCONJ
expositions-1773	11	13	its	its	PRON
expositions-1773	11	14	relevance	relevance	NOUN
expositions-1773	11	15	to	to	ADP
expositions-1773	11	16	humanity	humanity	NOUN
expositions-1773	11	17	,	,	PUNCT
expositions-1773	11	18	let	let	VERB
expositions-1773	11	19	me	i	PRON
expositions-1773	11	20	pick	pick	VERB
expositions-1773	11	21	up	up	ADP
expositions-1773	11	22	on	on	ADP
expositions-1773	11	23	a	a	DET
expositions-1773	11	24	point	point	NOUN
expositions-1773	11	25	made	make	VERB
expositions-1773	11	26	strongly	strongly	ADV
expositions-1773	11	27	and	and	CCONJ
expositions-1773	11	28	correctly	correctly	ADV
expositions-1773	11	29	by	by	ADP
expositions-1773	11	30	christian	christian	PROPN
expositions-1773	11	31	,	,	PUNCT
expositions-1773	11	32	brown	brown	ADJ
expositions-1773	11	33	,	,	PUNCT
expositions-1773	11	34	and	and	CCONJ
expositions-1773	11	35	benjamin	benjamin	PROPN
expositions-1773	11	36	—	—	PUNCT
expositions-1773	11	37	that	that	SCONJ
expositions-1773	11	38	almost	almost	ADV
expositions-1773	11	39	all	all	PRON
expositions-1773	11	40	of	of	ADP
expositions-1773	11	41	the	the	DET
expositions-1773	11	42	chemical	chemical	ADJ
expositions-1773	11	43	elements	element	NOUN
expositions-1773	11	44	important	important	ADJ
expositions-1773	11	45	to	to	ADP
expositions-1773	11	46	humans	human	NOUN
expositions-1773	11	47	were	be	AUX
expositions-1773	11	48	made	make	VERB
expositions-1773	11	49	in	in	ADP
expositions-1773	11	50	stars	star	NOUN
expositions-1773	11	51	.	.	PUNCT
expositions-1773	12	1	and	and	CCONJ
expositions-1773	12	2	then	then	ADV
expositions-1773	12	3	let	let	VERB
expositions-1773	12	4	me	i	PRON
expositions-1773	12	5	show	show	VERB
expositions-1773	12	6	that	that	SCONJ
expositions-1773	12	7	this	this	DET
expositions-1773	12	8	important	important	ADJ
expositions-1773	12	9	point	point	NOUN
expositions-1773	12	10	is	be	AUX
expositions-1773	12	11	incomplete	incomplete	ADJ
expositions-1773	12	12	,	,	PUNCT
expositions-1773	12	13	because	because	SCONJ
expositions-1773	12	14	it	it	PRON
expositions-1773	12	15	omits	omit	VERB
expositions-1773	12	16	the	the	DET
expositions-1773	12	17	role	role	NOUN
expositions-1773	12	18	of	of	ADP
expositions-1773	12	19	earth	earth	NOUN
expositions-1773	12	20	in	in	ADP
expositions-1773	12	21	concentrating	concentrate	VERB
expositions-1773	12	22	those	those	DET
expositions-1773	12	23	elements	element	NOUN
expositions-1773	12	24	and	and	CCONJ
expositions-1773	12	25	making	make	VERB
expositions-1773	12	26	them	they	PRON
expositions-1773	12	27	useful	useful	ADJ
expositions-1773	12	28	.	.	PUNCT
expositions-1773	13	1	we	we	PRON
expositions-1773	13	2	are	be	AUX
expositions-1773	13	3	stardust	stardust	PROPN
expositions-1773	13	4	…	…	PUNCT
expositions-1773	13	5	the	the	DET
expositions-1773	13	6	astronomer	astronomer	PROPN
expositions-1773	13	7	carl	carl	PROPN
expositions-1773	13	8	sagan	sagan	PROPN
expositions-1773	13	9	brought	bring	VERB
expositions-1773	13	10	science	science	NOUN
expositions-1773	13	11	to	to	ADP
expositions-1773	13	12	life	life	NOUN
expositions-1773	13	13	for	for	ADP
expositions-1773	13	14	large	large	ADJ
expositions-1773	13	15	numbers	number	NOUN
expositions-1773	13	16	of	of	ADP
expositions-1773	13	17	people	people	NOUN
expositions-1773	13	18	in	in	ADP
expositions-1773	13	19	his	his	PRON
expositions-1773	13	20	1980	1980	NUM
expositions-1773	13	21	television	television	NOUN
expositions-1773	13	22	series	series	NOUN
expositions-1773	13	23	cosmos	cosmos	PROPN
expositions-1773	13	24	,	,	PUNCT
expositions-1773	13	25	which	which	PRON
expositions-1773	13	26	now	now	ADV
expositions-1773	13	27	looks	look	VERB
expositions-1773	13	28	like	like	ADP
expositions-1773	13	29	an	an	DET
expositions-1773	13	30	early	early	ADJ
expositions-1773	13	31	and	and	CCONJ
expositions-1773	13	32	very	very	ADV
expositions-1773	13	33	effective	effective	ADJ
expositions-1773	13	34	presentation	presentation	NOUN
expositions-1773	13	35	of	of	ADP
expositions-1773	13	36	big	big	ADJ
expositions-1773	13	37	history	history	NOUN
expositions-1773	13	38	.	.	PUNCT
expositions-1773	14	1	sagan	sagan	PROPN
expositions-1773	14	2	was	be	AUX
expositions-1773	14	3	fond	fond	ADJ
expositions-1773	14	4	of	of	ADP
expositions-1773	14	5	saying	say	VERB
expositions-1773	14	6	that	that	SCONJ
expositions-1773	14	7	we	we	PRON
expositions-1773	14	8	are	be	AUX
expositions-1773	14	9	made	make	VERB
expositions-1773	14	10	of	of	ADP
expositions-1773	14	11	stardust	stardust	NOUN
expositions-1773	14	12	.	.	PUNCT
expositions-1773	15	1	his	his	PRON
expositions-1773	15	2	point	point	NOUN
expositions-1773	15	3	was	be	AUX
expositions-1773	15	4	that	that	SCONJ
expositions-1773	15	5	with	with	ADP
expositions-1773	15	6	the	the	DET
expositions-1773	15	7	71	71	NUM
expositions-1773	15	8	alvarez	alvarez	PROPN
expositions-1773	15	9	  	  	SPACE
expositions-1773	15	10	exception	exception	NOUN
expositions-1773	15	11	of	of	ADP
expositions-1773	15	12	the	the	DET
expositions-1773	15	13	three	three	NUM
expositions-1773	15	14	lightest	light	ADJ
expositions-1773	15	15	—	—	PUNCT
expositions-1773	15	16	hydrogen	hydrogen	NOUN
expositions-1773	15	17	,	,	PUNCT
expositions-1773	15	18	helium	helium	NOUN
expositions-1773	15	19	,	,	PUNCT
expositions-1773	15	20	and	and	CCONJ
expositions-1773	15	21	traces	trace	NOUN
expositions-1773	15	22	of	of	ADP
expositions-1773	15	23	lithium	lithium	NOUN
expositions-1773	15	24	—	—	PUNCT
expositions-1773	15	25	all	all	DET
expositions-1773	15	26	the	the	DET
expositions-1773	15	27	chemical	chemical	ADJ
expositions-1773	15	28	elements	element	NOUN
expositions-1773	15	29	were	be	AUX
expositions-1773	15	30	cooked	cook	VERB
expositions-1773	15	31	up	up	ADP
expositions-1773	15	32	inside	inside	ADP
expositions-1773	15	33	stars	star	NOUN
expositions-1773	15	34	,	,	PUNCT
expositions-1773	15	35	either	either	CCONJ
expositions-1773	15	36	slowly	slowly	ADV
expositions-1773	15	37	as	as	ADP
expositions-1773	15	38	by	by	ADP
expositions-1773	15	39	-	-	PUNCT
expositions-1773	15	40	products	product	NOUN
expositions-1773	15	41	of	of	ADP
expositions-1773	15	42	the	the	DET
expositions-1773	15	43	nuclear	nuclear	ADJ
expositions-1773	15	44	reactions	reaction	NOUN
expositions-1773	15	45	that	that	PRON
expositions-1773	15	46	make	make	VERB
expositions-1773	15	47	the	the	DET
expositions-1773	15	48	stars	star	NOUN
expositions-1773	15	49	shine	shine	VERB
expositions-1773	15	50	,	,	PUNCT
expositions-1773	15	51	or	or	CCONJ
expositions-1773	15	52	suddenly	suddenly	ADV
expositions-1773	15	53	during	during	ADP
expositions-1773	15	54	supernovas	supernovas	NOUN
expositions-1773	15	55	,	,	PUNCT
expositions-1773	15	56	the	the	DET
expositions-1773	15	57	great	great	ADJ
expositions-1773	15	58	stellar	stellar	ADJ
expositions-1773	15	59	explosions	explosion	NOUN
expositions-1773	15	60	that	that	PRON
expositions-1773	15	61	scatter	scatter	VERB
expositions-1773	15	62	all	all	DET
expositions-1773	15	63	the	the	DET
expositions-1773	15	64	new	new	ADJ
expositions-1773	15	65	elements	element	NOUN
expositions-1773	15	66	into	into	ADP
expositions-1773	15	67	space	space	NOUN
expositions-1773	15	68	.	.	PUNCT
expositions-1773	16	1	these	these	DET
expositions-1773	16	2	chemical	chemical	ADJ
expositions-1773	16	3	elements	element	NOUN
expositions-1773	16	4	are	be	AUX
expositions-1773	16	5	the	the	DET
expositions-1773	16	6	basis	basis	NOUN
expositions-1773	16	7	of	of	ADP
expositions-1773	16	8	the	the	DET
expositions-1773	16	9	material	material	NOUN
expositions-1773	16	10	world	world	NOUN
expositions-1773	16	11	that	that	PRON
expositions-1773	16	12	is	be	AUX
expositions-1773	16	13	central	central	ADJ
expositions-1773	16	14	to	to	ADP
expositions-1773	16	15	the	the	DET
expositions-1773	16	16	human	human	ADJ
expositions-1773	16	17	situation	situation	NOUN
expositions-1773	16	18	.	.	PUNCT
expositions-1773	17	1	humanistic	humanistic	ADJ
expositions-1773	17	2	big	big	ADJ
expositions-1773	17	3	historians	historian	NOUN
expositions-1773	17	4	have	have	AUX
expositions-1773	17	5	picked	pick	VERB
expositions-1773	17	6	up	up	ADP
expositions-1773	17	7	on	on	ADP
expositions-1773	17	8	this	this	DET
expositions-1773	17	9	critical	critical	ADJ
expositions-1773	17	10	feature	feature	NOUN
expositions-1773	17	11	in	in	ADP
expositions-1773	17	12	the	the	DET
expositions-1773	17	13	history	history	NOUN
expositions-1773	17	14	of	of	ADP
expositions-1773	17	15	everything	everything	PRON
expositions-1773	17	16	,	,	PUNCT
expositions-1773	17	17	stressing	stress	VERB
expositions-1773	17	18	the	the	DET
expositions-1773	17	19	great	great	ADJ
expositions-1773	17	20	importance	importance	NOUN
expositions-1773	17	21	to	to	ADP
expositions-1773	17	22	us	we	PRON
expositions-1773	17	23	of	of	ADP
expositions-1773	17	24	the	the	DET
expositions-1773	17	25	synthesis	synthesis	NOUN
expositions-1773	17	26	of	of	ADP
expositions-1773	17	27	elements	element	NOUN
expositions-1773	17	28	inside	inside	ADP
expositions-1773	17	29	stars	star	NOUN
expositions-1773	17	30	.	.	PUNCT
expositions-1773	18	1	christian	christian	ADJ
expositions-1773	18	2	,	,	PUNCT
expositions-1773	18	3	brown	brown	ADJ
expositions-1773	18	4	and	and	CCONJ
expositions-1773	18	5	benjamin	benjamin	PROPN
expositions-1773	18	6	select	select	VERB
expositions-1773	18	7	the	the	DET
expositions-1773	18	8	synthesis	synthesis	NOUN
expositions-1773	18	9	of	of	ADP
expositions-1773	18	10	elements	element	NOUN
expositions-1773	18	11	in	in	ADP
expositions-1773	18	12	stars	star	NOUN
expositions-1773	18	13	as	as	ADP
expositions-1773	18	14	one	one	NUM
expositions-1773	18	15	of	of	ADP
expositions-1773	18	16	their	their	PRON
expositions-1773	18	17	eight	eight	NUM
expositions-1773	18	18	thresholds	threshold	NOUN
expositions-1773	18	19	in	in	ADP
expositions-1773	18	20	big	big	ADJ
expositions-1773	18	21	history	history	NOUN
expositions-1773	18	22	.	.	PUNCT
expositions-1773	19	1	but	but	CCONJ
expositions-1773	19	2	to	to	ADP
expositions-1773	19	3	a	a	DET
expositions-1773	19	4	big	big	ADJ
expositions-1773	19	5	historian	historian	NOUN
expositions-1773	19	6	like	like	ADP
expositions-1773	19	7	me	i	PRON
expositions-1773	19	8	,	,	PUNCT
expositions-1773	19	9	coming	come	VERB
expositions-1773	19	10	from	from	ADP
expositions-1773	19	11	a	a	DET
expositions-1773	19	12	background	background	NOUN
expositions-1773	19	13	in	in	ADP
expositions-1773	19	14	geology	geology	NOUN
expositions-1773	19	15	,	,	PUNCT
expositions-1773	19	16	sagan	sagan	PROPN
expositions-1773	19	17	’s	’s	PART
expositions-1773	19	18	formulation	formulation	NOUN
expositions-1773	19	19	is	be	AUX
expositions-1773	19	20	incomplete	incomplete	ADJ
expositions-1773	19	21	.	.	PUNCT
expositions-1773	20	1	the	the	DET
expositions-1773	20	2	story	story	NOUN
expositions-1773	20	3	does	do	AUX
expositions-1773	20	4	not	not	PART
expositions-1773	20	5	end	end	VERB
expositions-1773	20	6	there	there	ADV
expositions-1773	20	7	,	,	PUNCT
expositions-1773	20	8	because	because	SCONJ
expositions-1773	20	9	chemical	chemical	ADJ
expositions-1773	20	10	elements	element	NOUN
expositions-1773	20	11	dispersed	disperse	VERB
expositions-1773	20	12	through	through	ADP
expositions-1773	20	13	interstellar	interstellar	ADJ
expositions-1773	20	14	space	space	NOUN
expositions-1773	20	15	would	would	AUX
expositions-1773	20	16	be	be	AUX
expositions-1773	20	17	useless	useless	ADJ
expositions-1773	20	18	for	for	ADP
expositions-1773	20	19	building	build	VERB
expositions-1773	20	20	the	the	DET
expositions-1773	20	21	world	world	NOUN
expositions-1773	20	22	we	we	PRON
expositions-1773	20	23	know	know	VERB
expositions-1773	20	24	.	.	PUNCT
expositions-1773	21	1	imagine	imagine	VERB
expositions-1773	21	2	a	a	DET
expositions-1773	21	3	long	long	ADJ
expositions-1773	21	4	-	-	PUNCT
expositions-1773	21	5	range	range	NOUN
expositions-1773	21	6	spaceship	spaceship	NOUN
expositions-1773	21	7	on	on	ADP
expositions-1773	21	8	its	its	PRON
expositions-1773	21	9	way	way	NOUN
expositions-1773	21	10	to	to	ADP
expositions-1773	21	11	a	a	DET
expositions-1773	21	12	distant	distant	ADJ
expositions-1773	21	13	solar	solar	ADJ
expositions-1773	21	14	system	system	NOUN
expositions-1773	21	15	,	,	PUNCT
expositions-1773	21	16	and	and	CCONJ
expositions-1773	21	17	having	have	VERB
expositions-1773	21	18	an	an	DET
expositions-1773	21	19	emergency	emergency	NOUN
expositions-1773	21	20	need	need	NOUN
expositions-1773	21	21	for	for	SCONJ
expositions-1773	21	22	silicon	silicon	NOUN
expositions-1773	21	23	to	to	PART
expositions-1773	21	24	fabricate	fabricate	VERB
expositions-1773	21	25	computer	computer	NOUN
expositions-1773	21	26	chips	chip	NOUN
expositions-1773	21	27	.	.	PUNCT
expositions-1773	22	1	although	although	SCONJ
expositions-1773	22	2	the	the	DET
expositions-1773	22	3	ship	ship	NOUN
expositions-1773	22	4	is	be	AUX
expositions-1773	22	5	passing	pass	VERB
expositions-1773	22	6	through	through	ADP
expositions-1773	22	7	the	the	DET
expositions-1773	22	8	diffuse	diffuse	NOUN
expositions-1773	22	9	gas	gas	NOUN
expositions-1773	22	10	derived	derive	VERB
expositions-1773	22	11	from	from	ADP
expositions-1773	22	12	old	old	ADJ
expositions-1773	22	13	supernova	supernova	NOUN
expositions-1773	22	14	explosions	explosion	NOUN
expositions-1773	22	15	and	and	CCONJ
expositions-1773	22	16	that	that	SCONJ
expositions-1773	22	17	gas	gas	NOUN
expositions-1773	22	18	includes	include	VERB
expositions-1773	22	19	atoms	atom	NOUN
expositions-1773	22	20	of	of	ADP
expositions-1773	22	21	silicon	silicon	NOUN
expositions-1773	22	22	,	,	PUNCT
expositions-1773	22	23	there	there	PRON
expositions-1773	22	24	would	would	AUX
expositions-1773	22	25	be	be	AUX
expositions-1773	22	26	no	no	DET
expositions-1773	22	27	way	way	NOUN
expositions-1773	22	28	for	for	SCONJ
expositions-1773	22	29	the	the	DET
expositions-1773	22	30	astronauts	astronaut	NOUN
expositions-1773	22	31	to	to	PART
expositions-1773	22	32	harvest	harvest	VERB
expositions-1773	22	33	and	and	CCONJ
expositions-1773	22	34	use	use	VERB
expositions-1773	22	35	the	the	DET
expositions-1773	22	36	silicon.1	silicon.1	NOUN
expositions-1773	22	37	the	the	DET
expositions-1773	22	38	atoms	atom	NOUN
expositions-1773	22	39	are	be	AUX
expositions-1773	22	40	just	just	ADV
expositions-1773	22	41	too	too	ADV
expositions-1773	22	42	far	far	ADV
expositions-1773	22	43	apart	apart	ADV
expositions-1773	22	44	.	.	PUNCT
expositions-1773	23	1	…	…	PUNCT
expositions-1773	23	2	made	make	VERB
expositions-1773	23	3	useful	useful	ADJ
expositions-1773	23	4	by	by	ADP
expositions-1773	23	5	earth	earth	NOUN
expositions-1773	23	6	but	but	CCONJ
expositions-1773	23	7	here	here	ADV
expositions-1773	23	8	on	on	ADP
expositions-1773	23	9	earth	earth	NOUN
expositions-1773	23	10	it	it	PRON
expositions-1773	23	11	is	be	AUX
expositions-1773	23	12	easy	easy	ADJ
expositions-1773	23	13	.	.	PUNCT
expositions-1773	24	1	we	we	PRON
expositions-1773	24	2	have	have	VERB
expositions-1773	24	3	no	no	DET
expositions-1773	24	4	trouble	trouble	NOUN
expositions-1773	24	5	finding	find	VERB
expositions-1773	24	6	flint	flint	ADJ
expositions-1773	24	7	nodules	nodule	NOUN
expositions-1773	24	8	,	,	PUNCT
expositions-1773	24	9	or	or	CCONJ
expositions-1773	24	10	sand	sand	NOUN
expositions-1773	24	11	on	on	ADP
expositions-1773	24	12	a	a	DET
expositions-1773	24	13	beach	beach	NOUN
expositions-1773	24	14	,	,	PUNCT
expositions-1773	24	15	or	or	CCONJ
expositions-1773	24	16	crystals	crystal	NOUN
expositions-1773	24	17	of	of	ADP
expositions-1773	24	18	quartz	quartz	NOUN
expositions-1773	24	19	in	in	ADP
expositions-1773	24	20	a	a	DET
expositions-1773	24	21	vein	vein	NOUN
expositions-1773	24	22	,	,	PUNCT
expositions-1773	24	23	all	all	PRON
expositions-1773	24	24	of	of	ADP
expositions-1773	24	25	them	they	PRON
expositions-1773	24	26	made	make	VERB
expositions-1773	24	27	of	of	ADP
expositions-1773	24	28	silicon	silicon	NOUN
expositions-1773	24	29	bonded	bond	VERB
expositions-1773	24	30	to	to	ADP
expositions-1773	24	31	oxygen	oxygen	NOUN
expositions-1773	24	32	—	—	PUNCT
expositions-1773	24	33	sio2	sio2	PROPN
expositions-1773	24	34	.	.	PUNCT
expositions-1773	25	1	clearly	clearly	ADV
expositions-1773	25	2	the	the	DET
expositions-1773	25	3	role	role	NOUN
expositions-1773	25	4	of	of	ADP
expositions-1773	25	5	earth	earth	NOUN
expositions-1773	25	6	has	have	AUX
expositions-1773	25	7	been	be	AUX
expositions-1773	25	8	essential	essential	ADJ
expositions-1773	25	9	in	in	ADP
expositions-1773	25	10	making	make	VERB
expositions-1773	25	11	silicon	silicon	NOUN
expositions-1773	25	12	useful	useful	ADJ
expositions-1773	25	13	to	to	ADP
expositions-1773	25	14	human	human	ADJ
expositions-1773	25	15	beings	being	NOUN
expositions-1773	25	16	.	.	PUNCT
expositions-1773	26	1	the	the	DET
expositions-1773	26	2	point	point	NOUN
expositions-1773	26	3	of	of	ADP
expositions-1773	26	4	this	this	DET
expositions-1773	26	5	contribution	contribution	NOUN
expositions-1773	26	6	is	be	AUX
expositions-1773	26	7	to	to	PART
expositions-1773	26	8	explore	explore	VERB
expositions-1773	26	9	how	how	SCONJ
expositions-1773	26	10	earth	earth	NOUN
expositions-1773	26	11	does	do	VERB
expositions-1773	26	12	it	it	PRON
expositions-1773	26	13	,	,	PUNCT
expositions-1773	26	14	in	in	ADP
expositions-1773	26	15	the	the	DET
expositions-1773	26	16	hope	hope	NOUN
expositions-1773	26	17	that	that	SCONJ
expositions-1773	26	18	big	big	ADJ
expositions-1773	26	19	historians	historian	NOUN
expositions-1773	26	20	will	will	AUX
expositions-1773	26	21	amend	amend	VERB
expositions-1773	26	22	carl	carl	PROPN
expositions-1773	26	23	sagan	sagan	PROPN
expositions-1773	26	24	’s	’s	PART
expositions-1773	26	25	idea	idea	NOUN
expositions-1773	26	26	that	that	SCONJ
expositions-1773	26	27	we	we	PRON
expositions-1773	26	28	are	be	AUX
expositions-1773	26	29	stardust	stardust	NOUN
expositions-1773	26	30	,	,	PUNCT
expositions-1773	26	31	and	and	CCONJ
expositions-1773	26	32	recognize	recognize	VERB
expositions-1773	26	33	that	that	SCONJ
expositions-1773	26	34	,	,	PUNCT
expositions-1773	26	35	we	we	PRON
expositions-1773	26	36	are	be	AUX
expositions-1773	26	37	stardust	stardust	PROPN
expositions-1773	26	38	,	,	PUNCT
expositions-1773	26	39	made	make	VERB
expositions-1773	26	40	useful	useful	ADJ
expositions-1773	26	41	by	by	ADP
expositions-1773	26	42	earth	earth	NOUN
expositions-1773	26	43	.	.	PUNCT
expositions-1773	27	1	we	we	PRON
expositions-1773	27	2	should	should	AUX
expositions-1773	27	3	start	start	VERB
expositions-1773	27	4	by	by	ADP
expositions-1773	27	5	recognizing	recognize	VERB
expositions-1773	27	6	that	that	SCONJ
expositions-1773	27	7	there	there	PRON
expositions-1773	27	8	have	have	AUX
expositions-1773	27	9	been	be	AUX
expositions-1773	27	10	two	two	NUM
expositions-1773	27	11	main	main	ADJ
expositions-1773	27	12	phases	phase	NOUN
expositions-1773	27	13	in	in	ADP
expositions-1773	27	14	earth	earth	NOUN
expositions-1773	27	15	’s	’s	PART
expositions-1773	27	16	history	history	NOUN
expositions-1773	27	17	of	of	ADP
expositions-1773	27	18	sorting	sort	VERB
expositions-1773	27	19	chemical	chemical	ADJ
expositions-1773	27	20	elements	element	NOUN
expositions-1773	27	21	into	into	ADP
expositions-1773	27	22	useful	useful	ADJ
expositions-1773	27	23	concentrations	concentration	NOUN
expositions-1773	27	24	.	.	PUNCT
expositions-1773	28	1	the	the	DET
expositions-1773	28	2	first	first	ADJ
expositions-1773	28	3	phase	phase	NOUN
expositions-1773	28	4	took	take	VERB
expositions-1773	28	5	place	place	NOUN
expositions-1773	28	6	at	at	ADP
expositions-1773	28	7	the	the	DET
expositions-1773	28	8	very	very	ADJ
expositions-1773	28	9	beginning	beginning	NOUN
expositions-1773	28	10	,	,	PUNCT
expositions-1773	28	11	as	as	SCONJ
expositions-1773	28	12	earth	earth	NOUN
expositions-1773	28	13	was	be	AUX
expositions-1773	28	14	accreting	accrete	VERB
expositions-1773	28	15	.	.	PUNCT
expositions-1773	29	1	this	this	DET
expositions-1773	29	2	phase	phase	NOUN
expositions-1773	29	3	gave	give	VERB
expositions-1773	29	4	us	we	PRON
expositions-1773	29	5	earth	earth	NOUN
expositions-1773	29	6	’s	’s	PART
expositions-1773	29	7	bulk	bulk	ADJ
expositions-1773	29	8	composition	composition	NOUN
expositions-1773	29	9	,	,	PUNCT
expositions-1773	29	10	dominated	dominate	VERB
expositions-1773	29	11	by	by	ADP
expositions-1773	29	12	four	four	NUM
expositions-1773	29	13	elements	element	NOUN
expositions-1773	29	14	—	—	PUNCT
expositions-1773	29	15	oxygen	oxygen	NOUN
expositions-1773	29	16	,	,	PUNCT
expositions-1773	29	17	magnesium	magnesium	NOUN
expositions-1773	29	18	,	,	PUNCT
expositions-1773	29	19	silicon	silicon	NOUN
expositions-1773	29	20	and	and	CCONJ
expositions-1773	29	21	iron	iron	NOUN
expositions-1773	29	22	—	—	PUNCT
expositions-1773	29	23	with	with	ADP
expositions-1773	29	24	only	only	ADJ
expositions-1773	29	25	small	small	ADJ
expositions-1773	29	26	amounts	amount	NOUN
expositions-1773	29	27	of	of	ADP
expositions-1773	29	28	the	the	DET
expositions-1773	29	29	other	other	ADJ
expositions-1773	29	30	elements	element	NOUN
expositions-1773	29	31	,	,	PUNCT
expositions-1773	29	32	but	but	CCONJ
expositions-1773	29	33	with	with	ADP
expositions-1773	29	34	all	all	PRON
expositions-1773	29	35	of	of	ADP
expositions-1773	29	36	them	they	PRON
expositions-1773	29	37	mixed	mix	VERB
expositions-1773	29	38	up	up	ADP
expositions-1773	29	39	together	together	ADV
expositions-1773	29	40	.	.	PUNCT
expositions-1773	30	1	the	the	DET
expositions-1773	30	2	second	second	ADJ
expositions-1773	30	3	phase	phase	NOUN
expositions-1773	30	4	has	have	AUX
expositions-1773	30	5	been	be	AUX
expositions-1773	30	6	going	go	VERB
expositions-1773	30	7	on	on	ADP
expositions-1773	30	8	ever	ever	ADV
expositions-1773	30	9	since	since	ADV
expositions-1773	30	10	,	,	PUNCT
expositions-1773	30	11	with	with	ADP
expositions-1773	30	12	the	the	DET
expositions-1773	30	13	progressive	progressive	ADJ
expositions-1773	30	14	sorting	sort	VERB
expositions-1773	30	15	out	out	ADP
expositions-1773	30	16	and	and	CCONJ
expositions-1773	30	17	concentrating	concentrate	VERB
expositions-1773	30	18	of	of	ADP
expositions-1773	30	19	elements	element	NOUN
expositions-1773	30	20	.	.	PUNCT
expositions-1773	31	1	earth	earth	NOUN
expositions-1773	31	2	has	have	VERB
expositions-1773	31	3	many	many	ADJ
expositions-1773	31	4	,	,	PUNCT
expositions-1773	31	5	many	many	ADJ
expositions-1773	31	6	mechanisms	mechanism	NOUN
expositions-1773	31	7	for	for	ADP
expositions-1773	31	8	doing	do	VERB
expositions-1773	31	9	this	this	DET
expositions-1773	31	10	work	work	NOUN
expositions-1773	31	11	,	,	PUNCT
expositions-1773	31	12	so	so	CCONJ
expositions-1773	31	13	perhaps	perhaps	ADV
expositions-1773	31	14	it	it	PRON
expositions-1773	31	15	is	be	AUX
expositions-1773	31	16	not	not	PART
expositions-1773	31	17	surprising	surprising	ADJ
expositions-1773	31	18	that	that	SCONJ
expositions-1773	31	19	big	big	ADJ
expositions-1773	31	20	historians	historian	NOUN
expositions-1773	31	21	have	have	AUX
expositions-1773	31	22	focused	focus	VERB
expositions-1773	31	23	on	on	ADP
expositions-1773	31	24	the	the	DET
expositions-1773	31	25	conceptually	conceptually	ADV
expositions-1773	31	26	simpler	simple	ADJ
expositions-1773	31	27	nucleosynthesis	nucleosynthesis	NOUN
expositions-1773	31	28	—	—	PUNCT
expositions-1773	31	29	the	the	DET
expositions-1773	31	30	synthesis	synthesis	NOUN
expositions-1773	31	31	of	of	ADP
expositions-1773	31	32	elements	element	NOUN
expositions-1773	31	33	—	—	PUNCT
expositions-1773	31	34	in	in	ADP
expositions-1773	31	35	the	the	DET
expositions-1773	31	36	big	big	ADJ
expositions-1773	31	37	bang	bang	NOUN
expositions-1773	31	38	and	and	CCONJ
expositions-1773	31	39	in	in	ADP
expositions-1773	31	40	stars	star	NOUN
expositions-1773	31	41	.	.	PUNCT
expositions-1773	32	1	the	the	DET
expositions-1773	32	2	present	present	ADJ
expositions-1773	32	3	essay	essay	NOUN
expositions-1773	32	4	explores	explore	VERB
expositions-1773	32	5	a	a	DET
expositions-1773	32	6	few	few	ADJ
expositions-1773	32	7	of	of	ADP
expositions-1773	32	8	earth	earth	NOUN
expositions-1773	32	9	’s	’s	PART
expositions-1773	32	10	sorting	sort	VERB
expositions-1773	32	11	mechanisms	mechanism	NOUN
expositions-1773	32	12	,	,	PUNCT
expositions-1773	32	13	to	to	PART
expositions-1773	32	14	give	give	VERB
expositions-1773	32	15	an	an	DET
expositions-1773	32	16	idea	idea	NOUN
expositions-1773	32	17	of	of	ADP
expositions-1773	32	18	how	how	SCONJ
expositions-1773	32	19	earth	earth	NOUN
expositions-1773	32	20	works	work	VERB
expositions-1773	32	21	its	its	PRON
expositions-1773	32	22	magic	magic	NOUN
expositions-1773	32	23	.	.	PUNCT
expositions-1773	33	1	the	the	DET
expositions-1773	33	2	focus	focus	NOUN
expositions-1773	33	3	is	be	AUX
expositions-1773	33	4	on	on	ADP
expositions-1773	33	5	the	the	DET
expositions-1773	33	6	element	element	NOUN
expositions-1773	33	7	silicon	silicon	NOUN
expositions-1773	33	8	,	,	PUNCT
expositions-1773	33	9	and	and	CCONJ
expositions-1773	33	10	on	on	ADP
expositions-1773	33	11	uses	use	NOUN
expositions-1773	33	12	of	of	ADP
expositions-1773	33	13	silicon	silicon	NOUN
expositions-1773	33	14	that	that	PRON
expositions-1773	33	15	are	be	AUX
expositions-1773	33	16	important	important	ADJ
expositions-1773	33	17	in	in	ADP
expositions-1773	33	18	human	human	ADJ
expositions-1773	33	19	history	history	NOUN
expositions-1773	33	20	,	,	PUNCT
expositions-1773	33	21	so	so	SCONJ
expositions-1773	33	22	we	we	PRON
expositions-1773	33	23	might	might	AUX
expositions-1773	33	24	think	think	VERB
expositions-1773	33	25	of	of	ADP
expositions-1773	33	26	this	this	PRON
expositions-1773	33	27	as	as	ADP
expositions-1773	33	28	a	a	DET
expositions-1773	33	29	“	"	PUNCT
expositions-1773	33	30	little	little	ADJ
expositions-1773	33	31	big	big	ADJ
expositions-1773	33	32	history	history	NOUN
expositions-1773	33	33	”	"	PUNCT
expositions-1773	33	34	of	of	ADP
expositions-1773	33	35	silicon.2	silicon.2	PROPN
expositions-1773	33	36	a	a	DET
expositions-1773	33	37	focus	focus	NOUN
expositions-1773	33	38	on	on	ADP
expositions-1773	33	39	silicon	silicon	NOUN
expositions-1773	33	40	the	the	DET
expositions-1773	33	41	production	production	NOUN
expositions-1773	33	42	of	of	ADP
expositions-1773	33	43	new	new	ADJ
expositions-1773	33	44	elements	element	NOUN
expositions-1773	33	45	inside	inside	ADP
expositions-1773	33	46	stars	star	NOUN
expositions-1773	33	47	that	that	PRON
expositions-1773	33	48	big	big	ADJ
expositions-1773	33	49	historians	historian	NOUN
expositions-1773	33	50	appreciate	appreciate	VERB
expositions-1773	33	51	so	so	ADV
expositions-1773	33	52	well	well	ADV
expositions-1773	33	53	is	be	AUX
expositions-1773	33	54	called	call	VERB
expositions-1773	33	55	stellar	stellar	ADJ
expositions-1773	33	56	nucleosynthesis	nucleosynthesis	NOUN
expositions-1773	33	57	,	,	PUNCT
expositions-1773	33	58	and	and	CCONJ
expositions-1773	33	59	it	it	PRON
expositions-1773	33	60	lies	lie	VERB
expositions-1773	33	61	in	in	ADP
expositions-1773	33	62	the	the	DET
expositions-1773	33	63	domain	domain	NOUN
expositions-1773	33	64	of	of	ADP
expositions-1773	33	65	nuclear	nuclear	ADJ
expositions-1773	33	66	physics	physics	NOUN
expositions-1773	33	67	.	.	PUNCT
expositions-1773	34	1	the	the	DET
expositions-1773	34	2	protons	proton	NOUN
expositions-1773	34	3	and	and	CCONJ
expositions-1773	34	4	neutrons	neutron	NOUN
expositions-1773	34	5	in	in	ADP
expositions-1773	34	6	the	the	PRON
expositions-1773	34	7	we	we	PRON
expositions-1773	34	8	are	be	AUX
expositions-1773	34	9	stardust	stardust	PROPN
expositions-1773	34	10	…	…	PUNCT
expositions-1773	34	11	concentrated	concentrate	VERB
expositions-1773	34	12	by	by	ADP
expositions-1773	34	13	earth	earth	NOUN
expositions-1773	34	14	!	!	PUNCT
expositions-1773	35	1	72	72	NUM
expositions-1773	35	2	    	    	SPACE
expositions-1773	35	3	nuclei	nucleus	NOUN
expositions-1773	35	4	of	of	ADP
expositions-1773	35	5	atoms	atom	NOUN
expositions-1773	35	6	are	be	AUX
expositions-1773	35	7	bound	bind	VERB
expositions-1773	35	8	so	so	ADV
expositions-1773	35	9	tightly	tightly	ADV
expositions-1773	35	10	by	by	ADP
expositions-1773	35	11	the	the	DET
expositions-1773	35	12	strong	strong	ADJ
expositions-1773	35	13	nuclear	nuclear	ADJ
expositions-1773	35	14	force	force	NOUN
expositions-1773	35	15	that	that	SCONJ
expositions-1773	35	16	wholesale	wholesale	ADJ
expositions-1773	35	17	changes	change	NOUN
expositions-1773	35	18	can	can	AUX
expositions-1773	35	19	take	take	VERB
expositions-1773	35	20	place	place	NOUN
expositions-1773	35	21	only	only	ADV
expositions-1773	35	22	at	at	ADP
expositions-1773	35	23	the	the	DET
expositions-1773	35	24	extremely	extremely	ADV
expositions-1773	35	25	high	high	ADJ
expositions-1773	35	26	temperatures	temperature	NOUN
expositions-1773	35	27	and	and	CCONJ
expositions-1773	35	28	pressures	pressure	NOUN
expositions-1773	35	29	in	in	ADP
expositions-1773	35	30	the	the	DET
expositions-1773	35	31	cores	core	NOUN
expositions-1773	35	32	of	of	ADP
expositions-1773	35	33	stars	star	NOUN
expositions-1773	35	34	.	.	PUNCT
expositions-1773	36	1	on	on	ADP
expositions-1773	36	2	the	the	DET
expositions-1773	36	3	other	other	ADJ
expositions-1773	36	4	hand	hand	NOUN
expositions-1773	36	5	,	,	PUNCT
expositions-1773	36	6	the	the	DET
expositions-1773	36	7	concentrating	concentrating	NOUN
expositions-1773	36	8	of	of	ADP
expositions-1773	36	9	elements	element	NOUN
expositions-1773	36	10	inside	inside	ADP
expositions-1773	36	11	earth	earth	NOUN
expositions-1773	36	12	and	and	CCONJ
expositions-1773	36	13	at	at	ADP
expositions-1773	36	14	its	its	PRON
expositions-1773	36	15	surface	surface	NOUN
expositions-1773	36	16	takes	take	VERB
expositions-1773	36	17	place	place	NOUN
expositions-1773	36	18	under	under	ADP
expositions-1773	36	19	much	much	ADV
expositions-1773	36	20	lower	low	ADJ
expositions-1773	36	21	pressures	pressure	NOUN
expositions-1773	36	22	and	and	CCONJ
expositions-1773	36	23	temperatures	temperature	NOUN
expositions-1773	36	24	,	,	PUNCT
expositions-1773	36	25	which	which	PRON
expositions-1773	36	26	have	have	VERB
expositions-1773	36	27	no	no	DET
expositions-1773	36	28	effect	effect	NOUN
expositions-1773	36	29	on	on	ADP
expositions-1773	36	30	the	the	DET
expositions-1773	36	31	nuclei	nucleus	NOUN
expositions-1773	36	32	of	of	ADP
expositions-1773	36	33	atoms	atom	NOUN
expositions-1773	36	34	but	but	CCONJ
expositions-1773	36	35	allow	allow	VERB
expositions-1773	36	36	all	all	DET
expositions-1773	36	37	kinds	kind	NOUN
expositions-1773	36	38	of	of	ADP
expositions-1773	36	39	changes	change	NOUN
expositions-1773	36	40	in	in	ADP
expositions-1773	36	41	how	how	SCONJ
expositions-1773	36	42	the	the	DET
expositions-1773	36	43	atoms	atom	NOUN
expositions-1773	36	44	are	be	AUX
expositions-1773	36	45	bonded	bond	VERB
expositions-1773	36	46	together	together	ADV
expositions-1773	36	47	,	,	PUNCT
expositions-1773	36	48	so	so	CCONJ
expositions-1773	36	49	this	this	PRON
expositions-1773	36	50	is	be	AUX
expositions-1773	36	51	in	in	ADP
expositions-1773	36	52	the	the	DET
expositions-1773	36	53	realm	realm	NOUN
expositions-1773	36	54	of	of	ADP
expositions-1773	36	55	geochemistry	geochemistry	NOUN
expositions-1773	36	56	.	.	PUNCT
expositions-1773	37	1	if	if	SCONJ
expositions-1773	37	2	one	one	PRON
expositions-1773	37	3	had	have	VERB
expositions-1773	37	4	to	to	PART
expositions-1773	37	5	identify	identify	VERB
expositions-1773	37	6	the	the	DET
expositions-1773	37	7	single	single	ADJ
expositions-1773	37	8	most	most	ADV
expositions-1773	37	9	important	important	ADJ
expositions-1773	37	10	discovery	discovery	NOUN
expositions-1773	37	11	of	of	ADP
expositions-1773	37	12	geochemistry	geochemistry	NOUN
expositions-1773	37	13	,	,	PUNCT
expositions-1773	37	14	it	it	PRON
expositions-1773	37	15	might	might	AUX
expositions-1773	37	16	be	be	AUX
expositions-1773	37	17	this	this	PRON
expositions-1773	37	18	:	:	PUNCT
expositions-1773	37	19	the	the	DET
expositions-1773	37	20	solar	solar	ADJ
expositions-1773	37	21	system	system	NOUN
expositions-1773	37	22	as	as	ADP
expositions-1773	37	23	a	a	DET
expositions-1773	37	24	whole	whole	NOUN
expositions-1773	37	25	(	(	PUNCT
expositions-1773	37	26	like	like	ADP
expositions-1773	37	27	the	the	DET
expositions-1773	37	28	universe	universe	NOUN
expositions-1773	37	29	as	as	ADP
expositions-1773	37	30	a	a	DET
expositions-1773	37	31	whole	whole	NOUN
expositions-1773	37	32	)	)	PUNCT
expositions-1773	37	33	is	be	AUX
expositions-1773	37	34	fundamentally	fundamentally	ADV
expositions-1773	37	35	composed	compose	VERB
expositions-1773	37	36	of	of	ADP
expositions-1773	37	37	a	a	DET
expositions-1773	37	38	great	great	ADJ
expositions-1773	37	39	deal	deal	NOUN
expositions-1773	37	40	of	of	ADP
expositions-1773	37	41	hydrogen	hydrogen	NOUN
expositions-1773	37	42	,	,	PUNCT
expositions-1773	37	43	a	a	DET
expositions-1773	37	44	moderate	moderate	ADJ
expositions-1773	37	45	amount	amount	NOUN
expositions-1773	37	46	of	of	ADP
expositions-1773	37	47	helium	helium	NOUN
expositions-1773	37	48	,	,	PUNCT
expositions-1773	37	49	and	and	CCONJ
expositions-1773	37	50	only	only	ADV
expositions-1773	37	51	traces	trace	NOUN
expositions-1773	37	52	of	of	ADP
expositions-1773	37	53	all	all	DET
expositions-1773	37	54	other	other	ADJ
expositions-1773	37	55	elements	element	NOUN
expositions-1773	37	56	,	,	PUNCT
expositions-1773	37	57	and	and	CCONJ
expositions-1773	37	58	this	this	PRON
expositions-1773	37	59	of	of	ADP
expositions-1773	37	60	course	course	NOUN
expositions-1773	37	61	is	be	AUX
expositions-1773	37	62	the	the	DET
expositions-1773	37	63	result	result	NOUN
expositions-1773	37	64	of	of	ADP
expositions-1773	37	65	nucleosynthesis	nucleosynthesis	NOUN
expositions-1773	37	66	during	during	ADP
expositions-1773	37	67	the	the	DET
expositions-1773	37	68	big	big	PROPN
expositions-1773	37	69	bang	bang	NOUN
expositions-1773	37	70	and	and	CCONJ
expositions-1773	37	71	,	,	PUNCT
expositions-1773	37	72	later	later	ADV
expositions-1773	37	73	on	on	ADV
expositions-1773	37	74	,	,	PUNCT
expositions-1773	37	75	inside	inside	ADJ
expositions-1773	37	76	stars	star	NOUN
expositions-1773	37	77	.	.	PUNCT
expositions-1773	38	1	but	but	CCONJ
expositions-1773	38	2	earth	earth	NOUN
expositions-1773	38	3	,	,	PUNCT
expositions-1773	38	4	on	on	ADP
expositions-1773	38	5	the	the	DET
expositions-1773	38	6	other	other	ADJ
expositions-1773	38	7	hand	hand	NOUN
expositions-1773	38	8	,	,	PUNCT
expositions-1773	38	9	is	be	AUX
expositions-1773	38	10	dominantly	dominantly	ADV
expositions-1773	38	11	composed	compose	VERB
expositions-1773	38	12	of	of	ADP
expositions-1773	38	13	just	just	ADV
expositions-1773	38	14	four	four	NUM
expositions-1773	38	15	elements	element	NOUN
expositions-1773	38	16	—	—	PUNCT
expositions-1773	38	17	oxygen	oxygen	NOUN
expositions-1773	38	18	,	,	PUNCT
expositions-1773	38	19	magnesium	magnesium	NOUN
expositions-1773	38	20	,	,	PUNCT
expositions-1773	38	21	silicon	silicon	NOUN
expositions-1773	38	22	and	and	CCONJ
expositions-1773	38	23	iron	iron	NOUN
expositions-1773	38	24	(	(	PUNCT
expositions-1773	38	25	o	o	NOUN
expositions-1773	38	26	,	,	PUNCT
expositions-1773	38	27	mg	mg	PROPN
expositions-1773	38	28	,	,	PUNCT
expositions-1773	38	29	si	si	INTJ
expositions-1773	38	30	,	,	PUNCT
expositions-1773	38	31	fe)—with	fe)—with	ADJ
expositions-1773	38	32	traces	trace	NOUN
expositions-1773	38	33	of	of	ADP
expositions-1773	38	34	many	many	ADJ
expositions-1773	38	35	other	other	ADJ
expositions-1773	38	36	elements	element	NOUN
expositions-1773	38	37	,	,	PUNCT
expositions-1773	38	38	among	among	ADP
expositions-1773	38	39	which	which	PRON
expositions-1773	38	40	the	the	DET
expositions-1773	38	41	great	great	ADJ
expositions-1773	38	42	components	component	NOUN
expositions-1773	38	43	of	of	ADP
expositions-1773	38	44	the	the	DET
expositions-1773	38	45	solar	solar	ADJ
expositions-1773	38	46	system	system	NOUN
expositions-1773	38	47	,	,	PUNCT
expositions-1773	38	48	hydrogen	hydrogen	NOUN
expositions-1773	38	49	and	and	CCONJ
expositions-1773	38	50	helium	helium	NOUN
expositions-1773	38	51	,	,	PUNCT
expositions-1773	38	52	are	be	AUX
expositions-1773	38	53	very	very	ADV
expositions-1773	38	54	minor	minor	ADJ
expositions-1773	38	55	.	.	PUNCT
expositions-1773	39	1	somehow	somehow	ADV
expositions-1773	39	2	,	,	PUNCT
expositions-1773	39	3	earth	earth	NOUN
expositions-1773	39	4	has	have	AUX
expositions-1773	39	5	selectively	selectively	ADV
expositions-1773	39	6	accumulated	accumulate	VERB
expositions-1773	39	7	some	some	PRON
expositions-1773	39	8	of	of	ADP
expositions-1773	39	9	the	the	DET
expositions-1773	39	10	rarer	rare	ADJ
expositions-1773	39	11	elements	element	NOUN
expositions-1773	39	12	of	of	ADP
expositions-1773	39	13	the	the	DET
expositions-1773	39	14	solar	solar	ADJ
expositions-1773	39	15	system	system	NOUN
expositions-1773	39	16	.	.	PUNCT
expositions-1773	40	1	let	let	VERB
expositions-1773	40	2	us	we	PRON
expositions-1773	40	3	see	see	VERB
expositions-1773	40	4	how	how	SCONJ
expositions-1773	40	5	this	this	DET
expositions-1773	40	6	great	great	ADJ
expositions-1773	40	7	geochemical	geochemical	ADJ
expositions-1773	40	8	discovery	discovery	NOUN
expositions-1773	40	9	can	can	AUX
expositions-1773	40	10	be	be	AUX
expositions-1773	40	11	explained	explain	VERB
expositions-1773	40	12	and	and	CCONJ
expositions-1773	40	13	how	how	SCONJ
expositions-1773	40	14	it	it	PRON
expositions-1773	40	15	affects	affect	VERB
expositions-1773	40	16	our	our	PRON
expositions-1773	40	17	understanding	understanding	NOUN
expositions-1773	40	18	of	of	ADP
expositions-1773	40	19	big	big	ADJ
expositions-1773	40	20	history	history	NOUN
expositions-1773	40	21	.	.	PUNCT
expositions-1773	41	1	of	of	ADP
expositions-1773	41	2	those	those	DET
expositions-1773	41	3	four	four	NUM
expositions-1773	41	4	dominant	dominant	ADJ
expositions-1773	41	5	elements	element	NOUN
expositions-1773	41	6	,	,	PUNCT
expositions-1773	41	7	let	let	VERB
expositions-1773	41	8	’s	’s	NOUN
expositions-1773	41	9	focus	focus	VERB
expositions-1773	41	10	on	on	ADP
expositions-1773	41	11	silicon	silicon	NOUN
expositions-1773	41	12	,	,	PUNCT
expositions-1773	41	13	first	first	ADV
expositions-1773	41	14	because	because	SCONJ
expositions-1773	41	15	it	it	PRON
expositions-1773	41	16	is	be	AUX
expositions-1773	41	17	the	the	DET
expositions-1773	41	18	basis	basis	NOUN
expositions-1773	41	19	of	of	ADP
expositions-1773	41	20	most	most	ADJ
expositions-1773	41	21	of	of	ADP
expositions-1773	41	22	the	the	DET
expositions-1773	41	23	rocks	rock	NOUN
expositions-1773	41	24	that	that	PRON
expositions-1773	41	25	make	make	VERB
expositions-1773	41	26	up	up	ADP
expositions-1773	41	27	our	our	PRON
expositions-1773	41	28	planet	planet	NOUN
expositions-1773	41	29	and	and	CCONJ
expositions-1773	41	30	carry	carry	VERB
expositions-1773	41	31	the	the	DET
expositions-1773	41	32	record	record	NOUN
expositions-1773	41	33	of	of	ADP
expositions-1773	41	34	earth	earth	NOUN
expositions-1773	41	35	’s	’s	PART
expositions-1773	41	36	history	history	NOUN
expositions-1773	41	37	,	,	PUNCT
expositions-1773	41	38	and	and	CCONJ
expositions-1773	41	39	second	second	ADV
expositions-1773	41	40	because	because	SCONJ
expositions-1773	41	41	it	it	PRON
expositions-1773	41	42	has	have	AUX
expositions-1773	41	43	been	be	AUX
expositions-1773	41	44	critical	critical	ADJ
expositions-1773	41	45	to	to	ADP
expositions-1773	41	46	human	human	ADJ
expositions-1773	41	47	activities	activity	NOUN
expositions-1773	41	48	for	for	ADP
expositions-1773	41	49	a	a	DET
expositions-1773	41	50	very	very	ADV
expositions-1773	41	51	long	long	ADJ
expositions-1773	41	52	time	time	NOUN
expositions-1773	41	53	,	,	PUNCT
expositions-1773	41	54	as	as	ADP
expositions-1773	41	55	the	the	DET
expositions-1773	41	56	raw	raw	ADJ
expositions-1773	41	57	material	material	NOUN
expositions-1773	41	58	for	for	ADP
expositions-1773	41	59	crucial	crucial	ADJ
expositions-1773	41	60	technologies	technology	NOUN
expositions-1773	41	61	like	like	ADP
expositions-1773	41	62	stone	stone	NOUN
expositions-1773	41	63	tools	tool	NOUN
expositions-1773	41	64	,	,	PUNCT
expositions-1773	41	65	glass	glass	NOUN
expositions-1773	41	66	,	,	PUNCT
expositions-1773	41	67	and	and	CCONJ
expositions-1773	41	68	computer	computer	NOUN
expositions-1773	41	69	chips	chip	NOUN
expositions-1773	41	70	.	.	PUNCT
expositions-1773	42	1	regarding	regard	VERB
expositions-1773	42	2	the	the	DET
expositions-1773	42	3	first	first	ADJ
expositions-1773	42	4	point	point	NOUN
expositions-1773	42	5	,	,	PUNCT
expositions-1773	42	6	it	it	PRON
expositions-1773	42	7	at	at	ADP
expositions-1773	42	8	first	first	ADV
expositions-1773	42	9	seems	seem	VERB
expositions-1773	42	10	surprising	surprising	ADJ
expositions-1773	42	11	that	that	SCONJ
expositions-1773	42	12	silicon	silicon	NOUN
expositions-1773	42	13	is	be	AUX
expositions-1773	42	14	the	the	DET
expositions-1773	42	15	basis	basis	NOUN
expositions-1773	42	16	of	of	ADP
expositions-1773	42	17	rocks	rock	NOUN
expositions-1773	42	18	while	while	SCONJ
expositions-1773	42	19	carbon	carbon	NOUN
expositions-1773	42	20	is	be	AUX
expositions-1773	42	21	the	the	DET
expositions-1773	42	22	basis	basis	NOUN
expositions-1773	42	23	of	of	ADP
expositions-1773	42	24	life	life	NOUN
expositions-1773	42	25	.	.	PUNCT
expositions-1773	43	1	carbon	carbon	NOUN
expositions-1773	43	2	lies	lie	VERB
expositions-1773	43	3	just	just	ADV
expositions-1773	43	4	above	above	ADP
expositions-1773	43	5	silicon	silicon	NOUN
expositions-1773	43	6	in	in	ADP
expositions-1773	43	7	the	the	DET
expositions-1773	43	8	periodic	periodic	ADJ
expositions-1773	43	9	table	table	NOUN
expositions-1773	43	10	,	,	PUNCT
expositions-1773	43	11	both	both	PRON
expositions-1773	43	12	make	make	VERB
expositions-1773	43	13	four	four	NUM
expositions-1773	43	14	chemical	chemical	ADJ
expositions-1773	43	15	bonds	bond	NOUN
expositions-1773	43	16	with	with	ADP
expositions-1773	43	17	adjoining	adjoining	ADJ
expositions-1773	43	18	atoms	atom	NOUN
expositions-1773	43	19	,	,	PUNCT
expositions-1773	43	20	and	and	CCONJ
expositions-1773	43	21	this	this	DET
expositions-1773	43	22	similarity	similarity	NOUN
expositions-1773	43	23	has	have	AUX
expositions-1773	43	24	led	lead	VERB
expositions-1773	43	25	science	science	NOUN
expositions-1773	43	26	fiction	fiction	NOUN
expositions-1773	43	27	writers	writer	NOUN
expositions-1773	43	28	to	to	PART
expositions-1773	43	29	envision	envision	VERB
expositions-1773	43	30	life	life	NOUN
expositions-1773	43	31	based	base	VERB
expositions-1773	43	32	on	on	ADP
expositions-1773	43	33	silicon3	silicon3	PROPN
expositions-1773	43	34	,	,	PUNCT
expositions-1773	43	35	but	but	CCONJ
expositions-1773	43	36	that	that	PRON
expositions-1773	43	37	is	be	AUX
expositions-1773	43	38	not	not	PART
expositions-1773	43	39	what	what	PRON
expositions-1773	43	40	happens	happen	VERB
expositions-1773	43	41	.	.	PUNCT
expositions-1773	44	1	it	it	PRON
expositions-1773	44	2	turns	turn	VERB
expositions-1773	44	3	out	out	ADP
expositions-1773	44	4	that	that	DET
expositions-1773	44	5	carbon	carbon	NOUN
expositions-1773	44	6	is	be	AUX
expositions-1773	44	7	a	a	DET
expositions-1773	44	8	versatile	versatile	ADJ
expositions-1773	44	9	element	element	NOUN
expositions-1773	44	10	,	,	PUNCT
expositions-1773	44	11	bonding	bond	VERB
expositions-1773	44	12	to	to	ADP
expositions-1773	44	13	hydrogen	hydrogen	NOUN
expositions-1773	44	14	,	,	PUNCT
expositions-1773	44	15	oxygen	oxygen	NOUN
expositions-1773	44	16	,	,	PUNCT
expositions-1773	44	17	nitrogen	nitrogen	NOUN
expositions-1773	44	18	,	,	PUNCT
expositions-1773	44	19	sulfur	sulfur	NOUN
expositions-1773	44	20	,	,	PUNCT
expositions-1773	44	21	and	and	CCONJ
expositions-1773	44	22	other	other	ADJ
expositions-1773	44	23	carbon	carbon	NOUN
expositions-1773	44	24	atoms	atom	NOUN
expositions-1773	44	25	,	,	PUNCT
expositions-1773	44	26	with	with	ADP
expositions-1773	44	27	both	both	CCONJ
expositions-1773	44	28	single	single	ADJ
expositions-1773	44	29	and	and	CCONJ
expositions-1773	44	30	double	double	ADJ
expositions-1773	44	31	bonds	bond	NOUN
expositions-1773	44	32	,	,	PUNCT
expositions-1773	44	33	easily	easily	ADV
expositions-1773	44	34	changing	change	VERB
expositions-1773	44	35	the	the	DET
expositions-1773	44	36	atoms	atom	NOUN
expositions-1773	44	37	to	to	PART
expositions-1773	44	38	which	which	PRON
expositions-1773	44	39	it	it	PRON
expositions-1773	44	40	bonds	bond	VERB
expositions-1773	44	41	,	,	PUNCT
expositions-1773	44	42	and	and	CCONJ
expositions-1773	44	43	this	this	DET
expositions-1773	44	44	versatility	versatility	NOUN
expositions-1773	44	45	makes	make	VERB
expositions-1773	44	46	it	it	PRON
expositions-1773	44	47	the	the	DET
expositions-1773	44	48	perfect	perfect	ADJ
expositions-1773	44	49	basis	basis	NOUN
expositions-1773	44	50	for	for	ADP
expositions-1773	44	51	the	the	DET
expositions-1773	44	52	complex	complex	ADJ
expositions-1773	44	53	structures	structure	NOUN
expositions-1773	44	54	and	and	CCONJ
expositions-1773	44	55	dynamic	dynamic	ADJ
expositions-1773	44	56	processes	process	NOUN
expositions-1773	44	57	of	of	ADP
expositions-1773	44	58	life	life	NOUN
expositions-1773	44	59	.	.	PUNCT
expositions-1773	45	1	in	in	ADP
expositions-1773	45	2	contrast	contrast	NOUN
expositions-1773	45	3	,	,	PUNCT
expositions-1773	45	4	silicon	silicon	NOUN
expositions-1773	45	5	greatly	greatly	ADV
expositions-1773	45	6	prefers	prefer	VERB
expositions-1773	45	7	bonding	bonding	NOUN
expositions-1773	45	8	to	to	ADP
expositions-1773	45	9	oxygen	oxygen	NOUN
expositions-1773	45	10	,	,	PUNCT
expositions-1773	45	11	making	make	VERB
expositions-1773	45	12	strong	strong	ADJ
expositions-1773	45	13	single	single	ADJ
expositions-1773	45	14	bonds	bond	NOUN
expositions-1773	45	15	but	but	CCONJ
expositions-1773	45	16	no	no	DET
expositions-1773	45	17	double	double	ADJ
expositions-1773	45	18	bonds	bond	NOUN
expositions-1773	45	19	,	,	PUNCT
expositions-1773	45	20	and	and	CCONJ
expositions-1773	45	21	this	this	PRON
expositions-1773	45	22	is	be	AUX
expositions-1773	45	23	what	what	PRON
expositions-1773	45	24	is	be	AUX
expositions-1773	45	25	needed	need	VERB
expositions-1773	45	26	to	to	PART
expositions-1773	45	27	make	make	VERB
expositions-1773	45	28	long	long	ADV
expositions-1773	45	29	-	-	PUNCT
expositions-1773	45	30	lasting	last	VERB
expositions-1773	45	31	minerals	mineral	NOUN
expositions-1773	45	32	like	like	ADP
expositions-1773	45	33	the	the	DET
expositions-1773	45	34	quartz	quartz	NOUN
expositions-1773	45	35	(	(	PUNCT
expositions-1773	45	36	sio2	sio2	PROPN
expositions-1773	45	37	)	)	PUNCT
expositions-1773	45	38	that	that	PRON
expositions-1773	45	39	is	be	AUX
expositions-1773	45	40	abundant	abundant	ADJ
expositions-1773	45	41	in	in	ADP
expositions-1773	45	42	continental	continental	ADJ
expositions-1773	45	43	crust	crust	NOUN
expositions-1773	45	44	,	,	PUNCT
expositions-1773	45	45	and	and	CCONJ
expositions-1773	45	46	the	the	DET
expositions-1773	45	47	olivine	olivine	NOUN
expositions-1773	45	48	(	(	PUNCT
expositions-1773	45	49	mg2sio4	mg2sio4	PROPN
expositions-1773	45	50	)	)	PUNCT
expositions-1773	45	51	that	that	PRON
expositions-1773	45	52	dominates	dominate	VERB
expositions-1773	45	53	in	in	ADP
expositions-1773	45	54	the	the	DET
expositions-1773	45	55	deep	deep	ADJ
expositions-1773	45	56	-	-	PUNCT
expositions-1773	45	57	earth	earth	NOUN
expositions-1773	45	58	mantle	mantle	NOUN
expositions-1773	45	59	.	.	PUNCT
expositions-1773	46	1	the	the	DET
expositions-1773	46	2	minerals	mineral	NOUN
expositions-1773	46	3	quartz	quartz	NOUN
expositions-1773	46	4	and	and	CCONJ
expositions-1773	46	5	olivine	olivine	NOUN
expositions-1773	46	6	,	,	PUNCT
expositions-1773	46	7	each	each	PRON
expositions-1773	46	8	with	with	ADP
expositions-1773	46	9	its	its	PRON
expositions-1773	46	10	characteristic	characteristic	ADJ
expositions-1773	46	11	formula	formula	NOUN
expositions-1773	46	12	,	,	PUNCT
expositions-1773	46	13	occur	occur	VERB
expositions-1773	46	14	as	as	ADP
expositions-1773	46	15	grains	grain	NOUN
expositions-1773	46	16	that	that	PRON
expositions-1773	46	17	go	go	VERB
expositions-1773	46	18	together	together	ADV
expositions-1773	46	19	to	to	PART
expositions-1773	46	20	make	make	VERB
expositions-1773	46	21	up	up	ADP
expositions-1773	46	22	rocks	rock	NOUN
expositions-1773	46	23	.	.	PUNCT
expositions-1773	47	1	a	a	DET
expositions-1773	47	2	good	good	ADJ
expositions-1773	47	3	analogy	analogy	NOUN
expositions-1773	47	4	is	be	AUX
expositions-1773	47	5	that	that	SCONJ
expositions-1773	47	6	a	a	DET
expositions-1773	47	7	rock	rock	NOUN
expositions-1773	47	8	is	be	AUX
expositions-1773	47	9	like	like	ADP
expositions-1773	47	10	a	a	DET
expositions-1773	47	11	fruitcake	fruitcake	NOUN
expositions-1773	47	12	,	,	PUNCT
expositions-1773	47	13	and	and	CCONJ
expositions-1773	47	14	minerals	mineral	NOUN
expositions-1773	47	15	are	be	AUX
expositions-1773	47	16	like	like	ADP
expositions-1773	47	17	the	the	DET
expositions-1773	47	18	fruit	fruit	NOUN
expositions-1773	47	19	and	and	CCONJ
expositions-1773	47	20	nuts	nut	NOUN
expositions-1773	47	21	within	within	ADP
expositions-1773	47	22	the	the	DET
expositions-1773	47	23	cake	cake	NOUN
expositions-1773	47	24	.	.	PUNCT
expositions-1773	48	1	since	since	SCONJ
expositions-1773	48	2	solid	solid	ADJ
expositions-1773	48	3	minerals	mineral	NOUN
expositions-1773	48	4	are	be	AUX
expositions-1773	48	5	quite	quite	ADV
expositions-1773	48	6	resistant	resistant	ADJ
expositions-1773	48	7	to	to	PART
expositions-1773	48	8	change	change	VERB
expositions-1773	48	9	,	,	PUNCT
expositions-1773	48	10	so	so	ADV
expositions-1773	48	11	are	be	AUX
expositions-1773	48	12	the	the	DET
expositions-1773	48	13	rocks	rock	NOUN
expositions-1773	48	14	made	make	VERB
expositions-1773	48	15	of	of	ADP
expositions-1773	48	16	minerals	mineral	NOUN
expositions-1773	48	17	.	.	PUNCT
expositions-1773	49	1	rocks	rock	NOUN
expositions-1773	49	2	generally	generally	ADV
expositions-1773	49	3	record	record	VERB
expositions-1773	49	4	and	and	CCONJ
expositions-1773	49	5	remember	remember	VERB
expositions-1773	49	6	aspects	aspect	NOUN
expositions-1773	49	7	of	of	ADP
expositions-1773	49	8	the	the	DET
expositions-1773	49	9	conditions	condition	NOUN
expositions-1773	49	10	under	under	ADP
expositions-1773	49	11	which	which	PRON
expositions-1773	49	12	they	they	PRON
expositions-1773	49	13	were	be	AUX
expositions-1773	49	14	deposited	deposit	VERB
expositions-1773	49	15	.	.	PUNCT
expositions-1773	50	1	igneous	igneous	ADJ
expositions-1773	50	2	rocks	rock	NOUN
expositions-1773	50	3	remember	remember	VERB
expositions-1773	50	4	the	the	DET
expositions-1773	50	5	temperature	temperature	NOUN
expositions-1773	50	6	and	and	CCONJ
expositions-1773	50	7	pressure	pressure	NOUN
expositions-1773	50	8	and	and	CCONJ
expositions-1773	50	9	chemistry	chemistry	NOUN
expositions-1773	50	10	of	of	ADP
expositions-1773	50	11	the	the	DET
expositions-1773	50	12	molten	molten	ADJ
expositions-1773	50	13	magma	magma	NOUN
expositions-1773	50	14	from	from	ADP
expositions-1773	50	15	which	which	PRON
expositions-1773	50	16	they	they	PRON
expositions-1773	50	17	crystallized	crystallize	VERB
expositions-1773	50	18	.	.	PUNCT
expositions-1773	51	1	sedimentary	sedimentary	ADJ
expositions-1773	51	2	rocks	rock	NOUN
expositions-1773	51	3	remember	remember	VERB
expositions-1773	51	4	the	the	DET
expositions-1773	51	5	processes	process	NOUN
expositions-1773	51	6	that	that	PRON
expositions-1773	51	7	deposited	deposit	VERB
expositions-1773	51	8	them	they	PRON
expositions-1773	51	9	—	—	PUNCT
expositions-1773	51	10	rivers	river	NOUN
expositions-1773	51	11	,	,	PUNCT
expositions-1773	51	12	wind	wind	NOUN
expositions-1773	51	13	,	,	PUNCT
expositions-1773	51	14	or	or	CCONJ
expositions-1773	51	15	glaciers	glacier	NOUN
expositions-1773	51	16	.	.	PUNCT
expositions-1773	52	1	metamorphic	metamorphic	ADJ
expositions-1773	52	2	rocks	rock	NOUN
expositions-1773	52	3	remember	remember	VERB
expositions-1773	52	4	the	the	DET
expositions-1773	52	5	stresses	stress	NOUN
expositions-1773	52	6	that	that	PRON
expositions-1773	52	7	deformed	deform	VERB
expositions-1773	52	8	them	they	PRON
expositions-1773	52	9	and	and	CCONJ
expositions-1773	52	10	the	the	DET
expositions-1773	52	11	temperature	temperature	NOUN
expositions-1773	52	12	and	and	CCONJ
expositions-1773	52	13	pressure	pressure	NOUN
expositions-1773	52	14	under	under	ADP
expositions-1773	52	15	which	which	PRON
expositions-1773	52	16	they	they	PRON
expositions-1773	52	17	recrystallized	recrystallize	VERB
expositions-1773	52	18	into	into	ADP
expositions-1773	52	19	new	new	ADJ
expositions-1773	52	20	minerals	mineral	NOUN
expositions-1773	52	21	.	.	PUNCT
expositions-1773	53	1	geologists	geologist	NOUN
expositions-1773	53	2	have	have	AUX
expositions-1773	53	3	invented	invent	VERB
expositions-1773	53	4	many	many	ADJ
expositions-1773	53	5	ways	way	NOUN
expositions-1773	53	6	of	of	ADP
expositions-1773	53	7	extracting	extract	VERB
expositions-1773	53	8	this	this	DET
expositions-1773	53	9	historical	historical	ADJ
expositions-1773	53	10	information	information	NOUN
expositions-1773	53	11	from	from	ADP
expositions-1773	53	12	rocks	rock	NOUN
expositions-1773	53	13	and	and	CCONJ
expositions-1773	53	14	compiling	compile	VERB
expositions-1773	53	15	it	it	PRON
expositions-1773	53	16	into	into	ADP
expositions-1773	53	17	an	an	DET
expositions-1773	53	18	ever	ever	ADV
expositions-1773	53	19	more	more	ADV
expositions-1773	53	20	sophisticated	sophisticated	ADJ
expositions-1773	53	21	understanding	understanding	NOUN
expositions-1773	53	22	of	of	ADP
expositions-1773	53	23	our	our	PRON
expositions-1773	53	24	planet	planet	NOUN
expositions-1773	53	25	’s	’s	PART
expositions-1773	53	26	past	past	NOUN
expositions-1773	53	27	.	.	PUNCT
expositions-1773	54	1	so	so	ADV
expositions-1773	54	2	we	we	PRON
expositions-1773	54	3	have	have	VERB
expositions-1773	54	4	a	a	DET
expositions-1773	54	5	motto	motto	NOUN
expositions-1773	54	6	:	:	PUNCT
expositions-1773	54	7	ex	ex	X
expositions-1773	54	8	libro	libro	PROPN
expositions-1773	54	9	lapidum	lapidum	PROPN
expositions-1773	54	10	historia	historia	PROPN
expositions-1773	54	11	mundi—“out	mundi—“out	ADP
expositions-1773	54	12	of	of	ADP
expositions-1773	54	13	the	the	DET
expositions-1773	54	14	book	book	NOUN
expositions-1773	54	15	of	of	ADP
expositions-1773	54	16	rocks	rock	NOUN
expositions-1773	54	17	comes	come	VERB
expositions-1773	54	18	the	the	DET
expositions-1773	54	19	history	history	NOUN
expositions-1773	54	20	of	of	ADP
expositions-1773	54	21	the	the	DET
expositions-1773	54	22	earth	earth	NOUN
expositions-1773	54	23	.	.	PUNCT
expositions-1773	54	24	”	"	PUNCT
expositions-1773	55	1	73	73	NUM
expositions-1773	55	2	alvarez	alvarez	PROPN
expositions-1773	55	3	  	  	SPACE
expositions-1773	55	4	the	the	DET
expositions-1773	55	5	second	second	ADJ
expositions-1773	55	6	reason	reason	NOUN
expositions-1773	55	7	to	to	PART
expositions-1773	55	8	focus	focus	VERB
expositions-1773	55	9	on	on	ADP
expositions-1773	55	10	silicon	silicon	NOUN
expositions-1773	55	11	is	be	AUX
expositions-1773	55	12	the	the	DET
expositions-1773	55	13	critical	critical	ADJ
expositions-1773	55	14	role	role	NOUN
expositions-1773	55	15	it	it	PRON
expositions-1773	55	16	has	have	AUX
expositions-1773	55	17	played	play	VERB
expositions-1773	55	18	in	in	ADP
expositions-1773	55	19	the	the	DET
expositions-1773	55	20	rise	rise	NOUN
expositions-1773	55	21	of	of	ADP
expositions-1773	55	22	humanity	humanity	NOUN
expositions-1773	55	23	to	to	ADP
expositions-1773	55	24	enormous	enormous	ADJ
expositions-1773	55	25	technical	technical	ADJ
expositions-1773	55	26	prowess	prowess	NOUN
expositions-1773	55	27	.	.	PUNCT
expositions-1773	56	1	the	the	DET
expositions-1773	56	2	earliest	early	ADJ
expositions-1773	56	3	human	human	ADJ
expositions-1773	56	4	tools	tool	NOUN
expositions-1773	56	5	may	may	AUX
expositions-1773	56	6	have	have	AUX
expositions-1773	56	7	been	be	AUX
expositions-1773	56	8	made	make	VERB
expositions-1773	56	9	of	of	ADP
expositions-1773	56	10	wood	wood	NOUN
expositions-1773	56	11	,	,	PUNCT
expositions-1773	56	12	of	of	ADP
expositions-1773	56	13	which	which	PRON
expositions-1773	56	14	nothing	nothing	PRON
expositions-1773	56	15	remains	remain	VERB
expositions-1773	56	16	,	,	PUNCT
expositions-1773	56	17	but	but	CCONJ
expositions-1773	56	18	the	the	DET
expositions-1773	56	19	first	first	ADJ
expositions-1773	56	20	tools	tool	NOUN
expositions-1773	56	21	of	of	ADP
expositions-1773	56	22	which	which	PRON
expositions-1773	56	23	we	we	PRON
expositions-1773	56	24	have	have	VERB
expositions-1773	56	25	a	a	DET
expositions-1773	56	26	good	good	ADJ
expositions-1773	56	27	record	record	NOUN
expositions-1773	56	28	are	be	AUX
expositions-1773	56	29	made	make	VERB
expositions-1773	56	30	of	of	ADP
expositions-1773	56	31	silicon	silicon	NOUN
expositions-1773	56	32	-	-	PUNCT
expositions-1773	56	33	based	base	VERB
expositions-1773	56	34	rocks	rock	NOUN
expositions-1773	56	35	.	.	PUNCT
expositions-1773	57	1	moving	move	VERB
expositions-1773	57	2	from	from	ADP
expositions-1773	57	3	just	just	ADV
expositions-1773	57	4	the	the	DET
expositions-1773	57	5	materials	material	NOUN
expositions-1773	57	6	nature	nature	NOUN
expositions-1773	57	7	gave	give	VERB
expositions-1773	57	8	us	we	PRON
expositions-1773	57	9	to	to	ADP
expositions-1773	57	10	artificial	artificial	ADJ
expositions-1773	57	11	materials	material	NOUN
expositions-1773	57	12	,	,	PUNCT
expositions-1773	57	13	a	a	DET
expositions-1773	57	14	critical	critical	ADJ
expositions-1773	57	15	one	one	NOUN
expositions-1773	57	16	has	have	AUX
expositions-1773	57	17	been	be	AUX
expositions-1773	57	18	glass	glass	NOUN
expositions-1773	57	19	,	,	PUNCT
expositions-1773	57	20	which	which	PRON
expositions-1773	57	21	basically	basically	ADV
expositions-1773	57	22	comes	come	VERB
expositions-1773	57	23	from	from	ADP
expositions-1773	57	24	melting	melt	VERB
expositions-1773	57	25	quartz	quartz	NOUN
expositions-1773	57	26	.	.	PUNCT
expositions-1773	58	1	finally	finally	ADV
expositions-1773	58	2	,	,	PUNCT
expositions-1773	58	3	our	our	PRON
expositions-1773	58	4	modern	modern	ADJ
expositions-1773	58	5	,	,	PUNCT
expositions-1773	58	6	high	high	ADJ
expositions-1773	58	7	-	-	PUNCT
expositions-1773	58	8	tech	tech	NOUN
expositions-1773	58	9	civilization	civilization	NOUN
expositions-1773	58	10	is	be	AUX
expositions-1773	58	11	dependent	dependent	ADJ
expositions-1773	58	12	on	on	ADP
expositions-1773	58	13	computer	computer	NOUN
expositions-1773	58	14	chips	chip	NOUN
expositions-1773	58	15	,	,	PUNCT
expositions-1773	58	16	which	which	PRON
expositions-1773	58	17	are	be	AUX
expositions-1773	58	18	made	make	VERB
expositions-1773	58	19	in	in	ADP
expositions-1773	58	20	sophisticated	sophisticated	ADJ
expositions-1773	58	21	ways	way	NOUN
expositions-1773	58	22	from	from	ADP
expositions-1773	58	23	silicon	silicon	NOUN
expositions-1773	58	24	.	.	PUNCT
expositions-1773	59	1	interestingly	interestingly	ADV
expositions-1773	59	2	,	,	PUNCT
expositions-1773	59	3	earth	earth	NOUN
expositions-1773	59	4	has	have	AUX
expositions-1773	59	5	concentrated	concentrate	VERB
expositions-1773	59	6	the	the	DET
expositions-1773	59	7	silicon	silicon	NOUN
expositions-1773	59	8	used	use	VERB
expositions-1773	59	9	in	in	ADP
expositions-1773	59	10	each	each	PRON
expositions-1773	59	11	of	of	ADP
expositions-1773	59	12	these	these	DET
expositions-1773	59	13	human	human	ADJ
expositions-1773	59	14	artifacts	artifact	NOUN
expositions-1773	59	15	in	in	ADP
expositions-1773	59	16	a	a	DET
expositions-1773	59	17	different	different	ADJ
expositions-1773	59	18	way	way	NOUN
expositions-1773	59	19	.	.	PUNCT
expositions-1773	60	1	to	to	PART
expositions-1773	60	2	see	see	VERB
expositions-1773	60	3	how	how	SCONJ
expositions-1773	60	4	earth	earth	NOUN
expositions-1773	60	5	has	have	AUX
expositions-1773	60	6	concentrated	concentrate	VERB
expositions-1773	60	7	silicon	silicon	NOUN
expositions-1773	60	8	and	and	CCONJ
expositions-1773	60	9	made	make	VERB
expositions-1773	60	10	it	it	PRON
expositions-1773	60	11	useful	useful	ADJ
expositions-1773	60	12	,	,	PUNCT
expositions-1773	60	13	let	let	VERB
expositions-1773	60	14	us	we	PRON
expositions-1773	60	15	first	first	ADV
expositions-1773	60	16	look	look	VERB
expositions-1773	60	17	at	at	ADP
expositions-1773	60	18	the	the	DET
expositions-1773	60	19	original	original	ADJ
expositions-1773	60	20	accretion	accretion	NOUN
expositions-1773	60	21	of	of	ADP
expositions-1773	60	22	the	the	DET
expositions-1773	60	23	earth	earth	NOUN
expositions-1773	60	24	into	into	ADP
expositions-1773	60	25	a	a	DET
expositions-1773	60	26	planet	planet	NOUN
expositions-1773	60	27	dominated	dominate	VERB
expositions-1773	60	28	by	by	ADP
expositions-1773	60	29	o	o	PROPN
expositions-1773	60	30	,	,	PUNCT
expositions-1773	60	31	mg	mg	PROPN
expositions-1773	60	32	,	,	PUNCT
expositions-1773	60	33	si	si	NOUN
expositions-1773	60	34	,	,	PUNCT
expositions-1773	60	35	and	and	CCONJ
expositions-1773	60	36	fe	fe	NOUN
expositions-1773	60	37	,	,	PUNCT
expositions-1773	60	38	and	and	CCONJ
expositions-1773	60	39	then	then	ADV
expositions-1773	60	40	see	see	VERB
expositions-1773	60	41	how	how	SCONJ
expositions-1773	60	42	concentrations	concentration	NOUN
expositions-1773	60	43	of	of	ADP
expositions-1773	60	44	si	si	X
expositions-1773	60	45	have	have	AUX
expositions-1773	60	46	been	be	AUX
expositions-1773	60	47	formed	form	VERB
expositions-1773	60	48	on	on	ADP
expositions-1773	60	49	and	and	CCONJ
expositions-1773	60	50	within	within	ADP
expositions-1773	60	51	the	the	DET
expositions-1773	60	52	earth	earth	NOUN
expositions-1773	60	53	.	.	PUNCT
expositions-1773	61	1	how	how	SCONJ
expositions-1773	61	2	to	to	PART
expositions-1773	61	3	build	build	VERB
expositions-1773	61	4	an	an	DET
expositions-1773	61	5	o	o	NOUN
expositions-1773	61	6	-	-	PUNCT
expositions-1773	61	7	mg	mg	ADP
expositions-1773	61	8	-	-	PUNCT
expositions-1773	61	9	si	si	NOUN
expositions-1773	61	10	-	-	PUNCT
expositions-1773	61	11	fe	fe	NOUN
expositions-1773	61	12	planet	planet	NOUN
expositions-1773	61	13	returning	return	VERB
expositions-1773	61	14	to	to	ADP
expositions-1773	61	15	that	that	DET
expositions-1773	61	16	major	major	ADJ
expositions-1773	61	17	geochemical	geochemical	ADJ
expositions-1773	61	18	discovery	discovery	NOUN
expositions-1773	61	19	—	—	PUNCT
expositions-1773	61	20	that	that	SCONJ
expositions-1773	61	21	the	the	DET
expositions-1773	61	22	solar	solar	ADJ
expositions-1773	61	23	system	system	NOUN
expositions-1773	61	24	is	be	AUX
expositions-1773	61	25	mostly	mostly	ADV
expositions-1773	61	26	made	make	VERB
expositions-1773	61	27	of	of	ADP
expositions-1773	61	28	hydrogen	hydrogen	NOUN
expositions-1773	61	29	and	and	CCONJ
expositions-1773	61	30	helium	helium	NOUN
expositions-1773	61	31	while	while	SCONJ
expositions-1773	61	32	earth	earth	NOUN
expositions-1773	61	33	is	be	AUX
expositions-1773	61	34	dominated	dominate	VERB
expositions-1773	61	35	by	by	ADP
expositions-1773	61	36	oxygen	oxygen	NOUN
expositions-1773	61	37	,	,	PUNCT
expositions-1773	61	38	magnesium	magnesium	NOUN
expositions-1773	61	39	,	,	PUNCT
expositions-1773	61	40	silicon	silicon	NOUN
expositions-1773	61	41	,	,	PUNCT
expositions-1773	61	42	and	and	CCONJ
expositions-1773	61	43	iron	iron	NOUN
expositions-1773	61	44	—	—	PUNCT
expositions-1773	61	45	how	how	SCONJ
expositions-1773	61	46	can	can	AUX
expositions-1773	61	47	this	this	PRON
expositions-1773	61	48	be	be	AUX
expositions-1773	61	49	explained	explain	VERB
expositions-1773	61	50	?	?	PUNCT
expositions-1773	62	1	what	what	PRON
expositions-1773	62	2	processes	process	NOUN
expositions-1773	62	3	could	could	AUX
expositions-1773	62	4	account	account	VERB
expositions-1773	62	5	for	for	ADP
expositions-1773	62	6	this	this	DET
expositions-1773	62	7	wholesale	wholesale	ADJ
expositions-1773	62	8	geochemical	geochemical	ADJ
expositions-1773	62	9	alteration?4	alteration?4	NOUN
expositions-1773	62	10	evidently	evidently	ADV
expositions-1773	62	11	we	we	PRON
expositions-1773	62	12	are	be	AUX
expositions-1773	62	13	looking	look	VERB
expositions-1773	62	14	for	for	ADP
expositions-1773	62	15	processes	process	NOUN
expositions-1773	62	16	that	that	PRON
expositions-1773	62	17	acted	act	VERB
expositions-1773	62	18	very	very	ADV
expositions-1773	62	19	early	early	ADV
expositions-1773	62	20	in	in	ADP
expositions-1773	62	21	the	the	DET
expositions-1773	62	22	history	history	NOUN
expositions-1773	62	23	of	of	ADP
expositions-1773	62	24	the	the	DET
expositions-1773	62	25	solar	solar	ADJ
expositions-1773	62	26	system	system	NOUN
expositions-1773	62	27	,	,	PUNCT
expositions-1773	62	28	because	because	SCONJ
expositions-1773	62	29	today	today	NOUN
expositions-1773	62	30	there	there	PRON
expositions-1773	62	31	are	be	VERB
expositions-1773	62	32	n’t	not	PART
expositions-1773	62	33	any	any	DET
expositions-1773	62	34	large	large	ADJ
expositions-1773	62	35	amounts	amount	NOUN
expositions-1773	62	36	of	of	ADP
expositions-1773	62	37	material	material	NOUN
expositions-1773	62	38	entering	enter	VERB
expositions-1773	62	39	or	or	CCONJ
expositions-1773	62	40	leaving	leave	VERB
expositions-1773	62	41	earth	earth	NOUN
expositions-1773	62	42	,	,	PUNCT
expositions-1773	62	43	nor	nor	CCONJ
expositions-1773	62	44	is	be	AUX
expositions-1773	62	45	there	there	PRON
expositions-1773	62	46	any	any	DET
expositions-1773	62	47	sign	sign	NOUN
expositions-1773	62	48	of	of	ADP
expositions-1773	62	49	this	this	PRON
expositions-1773	62	50	happening	happen	VERB
expositions-1773	62	51	in	in	ADP
expositions-1773	62	52	the	the	DET
expositions-1773	62	53	four	four	NUM
expositions-1773	62	54	billion	billion	NUM
expositions-1773	62	55	years	year	NOUN
expositions-1773	62	56	for	for	ADP
expositions-1773	62	57	which	which	PRON
expositions-1773	62	58	we	we	PRON
expositions-1773	62	59	have	have	VERB
expositions-1773	62	60	a	a	DET
expositions-1773	62	61	rock	rock	NOUN
expositions-1773	62	62	record	record	NOUN
expositions-1773	62	63	.	.	PUNCT
expositions-1773	63	1	the	the	DET
expositions-1773	63	2	occasional	occasional	ADJ
expositions-1773	63	3	impact	impact	NOUN
expositions-1773	63	4	of	of	ADP
expositions-1773	63	5	an	an	DET
expositions-1773	63	6	asteroid	asteroid	NOUN
expositions-1773	63	7	or	or	CCONJ
expositions-1773	63	8	comet	comet	NOUN
expositions-1773	63	9	,	,	PUNCT
expositions-1773	63	10	even	even	ADV
expositions-1773	63	11	a	a	DET
expositions-1773	63	12	large	large	ADJ
expositions-1773	63	13	one	one	NUM
expositions-1773	63	14	,	,	PUNCT
expositions-1773	63	15	is	be	AUX
expositions-1773	63	16	much	much	ADV
expositions-1773	63	17	too	too	ADV
expositions-1773	63	18	minor	minor	ADJ
expositions-1773	63	19	to	to	PART
expositions-1773	63	20	change	change	VERB
expositions-1773	63	21	earth	earth	NOUN
expositions-1773	63	22	’s	’s	PART
expositions-1773	63	23	composition	composition	NOUN
expositions-1773	63	24	,	,	PUNCT
expositions-1773	63	25	and	and	CCONJ
expositions-1773	63	26	leakage	leakage	VERB
expositions-1773	63	27	off	off	ADP
expositions-1773	63	28	the	the	DET
expositions-1773	63	29	top	top	NOUN
expositions-1773	63	30	of	of	ADP
expositions-1773	63	31	the	the	DET
expositions-1773	63	32	atmosphere	atmosphere	NOUN
expositions-1773	63	33	to	to	ADP
expositions-1773	63	34	space	space	NOUN
expositions-1773	63	35	affects	affect	VERB
expositions-1773	63	36	only	only	ADV
expositions-1773	63	37	a	a	DET
expositions-1773	63	38	few	few	ADJ
expositions-1773	63	39	gaseous	gaseous	ADJ
expositions-1773	63	40	elements	element	NOUN
expositions-1773	63	41	.	.	PUNCT
expositions-1773	64	1	at	at	ADP
expositions-1773	64	2	the	the	DET
expositions-1773	64	3	beginning	beginning	NOUN
expositions-1773	64	4	of	of	ADP
expositions-1773	64	5	the	the	DET
expositions-1773	64	6	solar	solar	ADJ
expositions-1773	64	7	system	system	NOUN
expositions-1773	64	8	,	,	PUNCT
expositions-1773	64	9	however	however	ADV
expositions-1773	64	10	,	,	PUNCT
expositions-1773	64	11	4.567	4.567	NUM
expositions-1773	64	12	billion	billion	NUM
expositions-1773	64	13	years	year	NOUN
expositions-1773	64	14	ago	ago	ADV
expositions-1773	64	15	,	,	PUNCT
expositions-1773	64	16	earth	earth	NOUN
expositions-1773	64	17	was	be	AUX
expositions-1773	64	18	growing	grow	VERB
expositions-1773	64	19	rapidly	rapidly	ADV
expositions-1773	64	20	,	,	PUNCT
expositions-1773	64	21	as	as	SCONJ
expositions-1773	64	22	objects	object	NOUN
expositions-1773	64	23	from	from	ADP
expositions-1773	64	24	dust	dust	NOUN
expositions-1773	64	25	size	size	NOUN
expositions-1773	64	26	to	to	ADP
expositions-1773	64	27	planet	planet	NOUN
expositions-1773	64	28	size	size	NOUN
expositions-1773	64	29	accreted	accrete	VERB
expositions-1773	64	30	and	and	CCONJ
expositions-1773	64	31	stuck	stick	VERB
expositions-1773	64	32	together	together	ADV
expositions-1773	64	33	.	.	PUNCT
expositions-1773	65	1	there	there	PRON
expositions-1773	65	2	were	be	VERB
expositions-1773	65	3	certainly	certainly	ADV
expositions-1773	65	4	opportunities	opportunity	NOUN
expositions-1773	65	5	during	during	ADP
expositions-1773	65	6	the	the	DET
expositions-1773	65	7	formation	formation	NOUN
expositions-1773	65	8	of	of	ADP
expositions-1773	65	9	the	the	DET
expositions-1773	65	10	earth	earth	NOUN
expositions-1773	65	11	for	for	ADP
expositions-1773	65	12	selecting	select	VERB
expositions-1773	65	13	some	some	DET
expositions-1773	65	14	elements	element	NOUN
expositions-1773	65	15	to	to	PART
expositions-1773	65	16	accumulate	accumulate	VERB
expositions-1773	65	17	in	in	ADP
expositions-1773	65	18	the	the	DET
expositions-1773	65	19	earth	earth	NOUN
expositions-1773	65	20	,	,	PUNCT
expositions-1773	65	21	and	and	CCONJ
expositions-1773	65	22	excluding	exclude	VERB
expositions-1773	65	23	others	other	NOUN
expositions-1773	65	24	.	.	PUNCT
expositions-1773	66	1	in	in	ADP
expositions-1773	66	2	their	their	PRON
expositions-1773	66	3	textbook	textbook	NOUN
expositions-1773	66	4	christian	christian	PROPN
expositions-1773	66	5	,	,	PUNCT
expositions-1773	66	6	brown	brown	ADJ
expositions-1773	66	7	,	,	PUNCT
expositions-1773	66	8	and	and	CCONJ
expositions-1773	66	9	benjamin	benjamin	PROPN
expositions-1773	66	10	show	show	VERB
expositions-1773	66	11	a	a	DET
expositions-1773	66	12	periodic	periodic	ADJ
expositions-1773	66	13	table	table	NOUN
expositions-1773	66	14	of	of	ADP
expositions-1773	66	15	the	the	DET
expositions-1773	66	16	elements	element	NOUN
expositions-1773	66	17	,	,	PUNCT
expositions-1773	66	18	marked	mark	VERB
expositions-1773	66	19	up	up	ADP
expositions-1773	66	20	to	to	PART
expositions-1773	66	21	indicate	indicate	VERB
expositions-1773	66	22	how	how	SCONJ
expositions-1773	66	23	and	and	CCONJ
expositions-1773	66	24	when	when	SCONJ
expositions-1773	66	25	the	the	DET
expositions-1773	66	26	various	various	ADJ
expositions-1773	66	27	elements	element	NOUN
expositions-1773	66	28	were	be	AUX
expositions-1773	66	29	created	create	VERB
expositions-1773	66	30	,	,	PUNCT
expositions-1773	66	31	in	in	ADP
expositions-1773	66	32	the	the	DET
expositions-1773	66	33	big	big	ADJ
expositions-1773	66	34	bang	bang	NOUN
expositions-1773	66	35	and	and	CCONJ
expositions-1773	66	36	in	in	ADP
expositions-1773	66	37	stars	star	NOUN
expositions-1773	66	38	.	.	PUNCT
expositions-1773	67	1	to	to	PART
expositions-1773	67	2	supplement	supplement	VERB
expositions-1773	67	3	that	that	DET
expositions-1773	67	4	figure	figure	NOUN
expositions-1773	67	5	,	,	PUNCT
expositions-1773	67	6	here	here	ADV
expositions-1773	67	7	is	be	AUX
expositions-1773	67	8	a	a	DET
expositions-1773	67	9	partial	partial	ADJ
expositions-1773	67	10	periodic	periodic	ADJ
expositions-1773	67	11	table	table	NOUN
expositions-1773	67	12	that	that	PRON
expositions-1773	67	13	shows	show	VERB
expositions-1773	67	14	the	the	DET
expositions-1773	67	15	fates	fate	NOUN
expositions-1773	67	16	of	of	ADP
expositions-1773	67	17	elements	element	NOUN
expositions-1773	67	18	in	in	ADP
expositions-1773	67	19	the	the	DET
expositions-1773	67	20	earth	earth	NOUN
expositions-1773	67	21	,	,	PUNCT
expositions-1773	67	22	singling	single	VERB
expositions-1773	67	23	out	out	ADP
expositions-1773	67	24	the	the	DET
expositions-1773	67	25	big	big	ADJ
expositions-1773	67	26	four	four	NUM
expositions-1773	67	27	:	:	PUNCT
expositions-1773	67	28	  	  	SPACE
expositions-1773	67	29	we	we	PRON
expositions-1773	67	30	are	be	AUX
expositions-1773	67	31	s	s	PRON
expositions-1773	67	32	  	  	SPACE
expositions-1773	67	33	a	a	DET
expositions-1773	67	34	par	par	NOUN
expositions-1773	67	35	our	our	PRON
expositions-1773	67	36	pl	pl	PROPN
expositions-1773	67	37	  	  	SPACE
expositions-1773	67	38	why	why	SCONJ
expositions-1773	67	39	we	we	PRON
expositions-1773	67	40	(	(	PUNCT
expositions-1773	67	41	lithium	lithium	NOUN
expositions-1773	67	42	,	,	PUNCT
expositions-1773	67	43	were	be	AUX
expositions-1773	67	44	sim	sim	ADJ
expositions-1773	67	45	constitue	constitue	NOUN
expositions-1773	67	46	molecule	molecule	NOUN
expositions-1773	67	47	others	other	NOUN
expositions-1773	67	48	sh	sh	INTJ
expositions-1773	67	49	to	to	ADP
expositions-1773	67	50	accum	accum	PROPN
expositions-1773	67	51	sweeping	sweep	VERB
expositions-1773	67	52	out	out	ADP
expositions-1773	67	53	by	by	ADP
expositions-1773	67	54	th	th	PRON
expositions-1773	67	55	the	the	DET
expositions-1773	67	56	outf	outf	NOUN
expositions-1773	67	57	condition	condition	VERB
expositions-1773	67	58	the	the	DET
expositions-1773	67	59	very	very	ADV
expositions-1773	67	60	which	which	PRON
expositions-1773	67	61	were	be	AUX
expositions-1773	67	62	mas	mas	PROPN
expositions-1773	67	63	where	where	SCONJ
expositions-1773	67	64	ea	ea	PROPN
expositions-1773	67	65	has	have	VERB
expositions-1773	67	66	four	four	NUM
expositions-1773	67	67	oxygen	oxygen	NOUN
expositions-1773	67	68	,	,	PUNCT
expositions-1773	67	69	w	w	NOUN
expositions-1773	67	70	grow	grow	NOUN
expositions-1773	67	71	,	,	PUNCT
expositions-1773	67	72	ea	ea	X
expositions-1773	67	73	smaller	small	ADJ
expositions-1773	67	74	a	a	DET
expositions-1773	67	75	these	these	DET
expositions-1773	67	76	earth	earth	NOUN
expositions-1773	67	77	,	,	PUNCT
expositions-1773	67	78	ex	ex	X
expositions-1773	67	79	always	always	ADV
expositions-1773	67	80	s	s	X
expositions-1773	67	81	stardust	stardust	PROPN
expositions-1773	67	82	…	…	PUNCT
expositions-1773	67	83	co	co	NOUN
expositions-1773	67	84	rtial	rtial	ADJ
expositions-1773	67	85	periodic	periodic	ADJ
expositions-1773	67	86	lanet	lanet	NOUN
expositions-1773	67	87	is	be	AUX
expositions-1773	67	88	mostly	mostly	ADV
expositions-1773	67	89	ere	ere	NOUN
expositions-1773	67	90	so	so	ADV
expositions-1773	67	91	many	many	ADJ
expositions-1773	67	92	beryllium	beryllium	NOUN
expositions-1773	67	93	,	,	PUNCT
expositions-1773	67	94	b	b	NOUN
expositions-1773	67	95	mply	mply	NOUN
expositions-1773	67	96	too	too	ADV
expositions-1773	67	97	rar	rar	VERB
expositions-1773	67	98	ents	ent	NOUN
expositions-1773	67	99	of	of	ADP
expositions-1773	67	100	earth	earth	NOUN
expositions-1773	67	101	es	es	ADP
expositions-1773	67	102	made	make	VERB
expositions-1773	67	103	up	up	ADP
expositions-1773	67	104	hown	hown	VERB
expositions-1773	67	105	in	in	ADP
expositions-1773	67	106	yello	yello	PROPN
expositions-1773	67	107	mulate	mulate	NOUN
expositions-1773	67	108	in	in	ADP
expositions-1773	67	109	the	the	DET
expositions-1773	67	110	g	g	NOUN
expositions-1773	67	111	-	-	PUNCT
expositions-1773	67	112	out	out	NOUN
expositions-1773	67	113	was	be	AUX
expositions-1773	67	114	do	do	AUX
expositions-1773	67	115	he	he	PRON
expositions-1773	67	116	enormous	enormous	ADJ
expositions-1773	67	117	flow	flow	NOUN
expositions-1773	67	118	is	be	AUX
expositions-1773	67	119	calle	calle	PROPN
expositions-1773	67	120	n.	n.	PROPN
expositions-1773	67	121	the	the	DET
expositions-1773	67	122	prese	prese	PROPN
expositions-1773	67	123	early	early	ADJ
expositions-1773	67	124	sun	sun	NOUN
expositions-1773	67	125	.	.	PUNCT
expositions-1773	68	1	h	h	PROPN
expositions-1773	68	2	ones	one	NOUN
expositions-1773	68	3	were	be	AUX
expositions-1773	68	4	ssive	ssive	ADJ
expositions-1773	68	5	enough	enough	ADV
expositions-1773	68	6	arth	arth	NOUN
expositions-1773	68	7	was	be	AUX
expositions-1773	68	8	for	for	ADP
expositions-1773	68	9	places	place	NOUN
expositions-1773	68	10	whe	whe	NOUN
expositions-1773	68	11	which	which	PRON
expositions-1773	68	12	can	can	AUX
expositions-1773	68	13	m	m	VERB
expositions-1773	68	14	ach	ach	PROPN
expositions-1773	68	15	silicon	silicon	NOUN
expositions-1773	68	16	s	s	PART
expositions-1773	68	17	amounts	amount	NOUN
expositions-1773	68	18	of	of	ADP
expositions-1773	68	19	o	o	PROPN
expositions-1773	68	20	networks	network	NOUN
expositions-1773	68	21	a	a	DET
expositions-1773	68	22	cept	cept	NOUN
expositions-1773	68	23	for	for	ADP
expositions-1773	68	24	the	the	DET
expositions-1773	68	25	ilicon	ilicon	NOUN
expositions-1773	68	26	and	and	CCONJ
expositions-1773	68	27	o	o	NOUN
expositions-1773	68	28	oncentrated	oncentrate	VERB
expositions-1773	68	29	by	by	ADP
expositions-1773	68	30	table	table	NOUN
expositions-1773	68	31	showing	show	VERB
expositions-1773	68	32	ly	ly	ADP
expositions-1773	68	33	composed	compose	VERB
expositions-1773	68	34	o	o	PROPN
expositions-1773	68	35	y	y	PROPN
expositions-1773	68	36	elements	element	NOUN
expositions-1773	68	37	boron	boron	NOUN
expositions-1773	68	38	,	,	PUNCT
expositions-1773	68	39	those	those	PRON
expositions-1773	68	40	re	re	ADP
expositions-1773	68	41	in	in	ADP
expositions-1773	68	42	the	the	DET
expositions-1773	68	43	sol	sol	NOUN
expositions-1773	68	44	h.	h.	PROPN
expositions-1773	68	45	other	other	ADJ
expositions-1773	68	46	elem	elem	NOUN
expositions-1773	68	47	of	of	ADP
expositions-1773	68	48	just	just	ADV
expositions-1773	68	49	a	a	DET
expositions-1773	68	50	fe	fe	NOUN
expositions-1773	68	51	ow	ow	INTJ
expositions-1773	68	52	in	in	ADP
expositions-1773	68	53	the	the	DET
expositions-1773	68	54	fig	fig	NOUN
expositions-1773	68	55	e	e	NOUN
expositions-1773	68	56	giant	giant	ADJ
expositions-1773	68	57	gas	gas	NOUN
expositions-1773	68	58	p	p	NOUN
expositions-1773	68	59	one	one	NUM
expositions-1773	68	60	by	by	ADP
expositions-1773	68	61	powe	powe	NOUN
expositions-1773	68	62	energy	energy	NOUN
expositions-1773	68	63	rele	rele	PROPN
expositions-1773	68	64	ed	ed	PROPN
expositions-1773	68	65	the	the	DET
expositions-1773	68	66	t	t	PROPN
expositions-1773	68	67	-	-	PUNCT
expositions-1773	68	68	tau	tau	PROPN
expositions-1773	68	69	ent	ent	NOUN
expositions-1773	68	70	solar	solar	ADJ
expositions-1773	68	71	win	win	NOUN
expositions-1773	68	72	e	e	NOUN
expositions-1773	68	73	not	not	PART
expositions-1773	68	74	elimin	elimin	VERB
expositions-1773	68	75	h	h	NOUN
expositions-1773	68	76	to	to	PART
expositions-1773	68	77	resist	resist	VERB
expositions-1773	68	78	th	th	PRON
expositions-1773	68	79	rming	rming	NOUN
expositions-1773	68	80	.	.	PUNCT
expositions-1773	69	1	silico	silico	NOUN
expositions-1773	69	2	re	re	ADP
expositions-1773	69	3	it	it	PRON
expositions-1773	69	4	can	can	AUX
expositions-1773	69	5	bo	bo	AUX
expositions-1773	69	6	make	make	VERB
expositions-1773	69	7	two	two	NUM
expositions-1773	69	8	bo	bo	PROPN
expositions-1773	69	9	surrounded	surround	VERB
expositions-1773	69	10	other	other	ADJ
expositions-1773	69	11	elemen	eleman	NOUN
expositions-1773	69	12	are	be	AUX
expositions-1773	69	13	called	call	VERB
expositions-1773	69	14	sil	sil	PROPN
expositions-1773	69	15	iron	iron	NOUN
expositions-1773	69	16	core	core	NOUN
expositions-1773	69	17	.	.	PUNCT
expositions-1773	70	1	n	n	PRON
expositions-1773	70	2	oxygen	oxygen	NOUN
expositions-1773	70	3	atom	atom	NOUN
expositions-1773	70	4	y	y	NOUN
expositions-1773	70	5	earth	earth	NOUN
expositions-1773	70	6	!	!	PUNCT
expositions-1773	71	1	g	g	X
expositions-1773	71	2	the	the	DET
expositions-1773	71	3	fates	fate	NOUN
expositions-1773	71	4	of	of	ADP
expositions-1773	71	5	of	of	ADP
expositions-1773	71	6	oxygen	oxygen	NOUN
expositions-1773	71	7	,	,	PUNCT
expositions-1773	71	8	ma	ma	PROPN
expositions-1773	71	9	largely	largely	ADV
expositions-1773	71	10	elim	elim	PROPN
expositions-1773	71	11	e	e	X
expositions-1773	71	12	with	with	ADP
expositions-1773	71	13	odd	odd	ADJ
expositions-1773	71	14	a	a	DET
expositions-1773	71	15	lar	lar	ADJ
expositions-1773	71	16	system	system	NOUN
expositions-1773	71	17	e	e	NOUN
expositions-1773	71	18	ments	ment	NOUN
expositions-1773	71	19	occur	occur	VERB
expositions-1773	71	20	ew	ew	NOUN
expositions-1773	71	21	atoms	atom	NOUN
expositions-1773	71	22	.	.	PUNCT
expositions-1773	72	1	t	t	PROPN
expositions-1773	72	2	gure	gure	PROPN
expositions-1773	72	3	)	)	PUNCT
expositions-1773	72	4	were	be	AUX
expositions-1773	72	5	s	s	NUM
expositions-1773	72	6	planets	planet	NOUN
expositions-1773	72	7	farth	farth	NOUN
expositions-1773	72	8	erful	erful	ADJ
expositions-1773	72	9	outflow	outflow	NOUN
expositions-1773	72	10	eased	ease	VERB
expositions-1773	72	11	as	as	ADV
expositions-1773	72	12	all	all	PRON
expositions-1773	72	13	t	t	PROPN
expositions-1773	72	14	uri	uri	NOUN
expositions-1773	72	15	wind	wind	NOUN
expositions-1773	72	16	,	,	PUNCT
expositions-1773	72	17	na	na	INTJ
expositions-1773	72	18	nd	nd	PROPN
expositions-1773	72	19	of	of	ADP
expositions-1773	72	20	our	our	PRON
expositions-1773	72	21	sun	sun	NOUN
expositions-1773	72	22	nated	nate	VERB
expositions-1773	72	23	?	?	PUNCT
expositions-1773	73	1	only	only	ADV
expositions-1773	73	2	he	he	PRON
expositions-1773	73	3	pressure	pressure	VERB
expositions-1773	73	4	o	o	NOUN
expositions-1773	73	5	on	on	ADP
expositions-1773	73	6	is	be	AUX
expositions-1773	73	7	what	what	PRON
expositions-1773	73	8	m	m	VERB
expositions-1773	73	9	ond	ond	VERB
expositions-1773	73	10	to	to	PART
expositions-1773	73	11	anoth	anoth	PROPN
expositions-1773	73	12	onds	ond	NOUN
expositions-1773	73	13	,	,	PUNCT
expositions-1773	73	14	thus	thus	ADV
expositions-1773	73	15	lin	lin	PROPN
expositions-1773	73	16	by	by	ADP
expositions-1773	73	17	four	four	NUM
expositions-1773	73	18	oxy	oxy	ADJ
expositions-1773	73	19	nts	nt	NOUN
expositions-1773	73	20	joining	join	VERB
expositions-1773	73	21	in	in	ADP
expositions-1773	73	22	licate	licate	PROPN
expositions-1773	73	23	minera	minera	PROPN
expositions-1773	73	24	no	no	ADV
expositions-1773	73	25	matter	matter	ADV
expositions-1773	73	26	ho	ho	PROPN
expositions-1773	73	27	ms	ms	PROPN
expositions-1773	73	28	at	at	ADP
expositions-1773	73	29	the	the	DET
expositions-1773	73	30	edg	edg	NOUN
expositions-1773	73	31	f	f	PROPN
expositions-1773	73	32	the	the	DET
expositions-1773	73	33	elements	element	NOUN
expositions-1773	73	34	agnesium	agnesium	PROPN
expositions-1773	73	35	,	,	PUNCT
expositions-1773	73	36	sili	sili	PROPN
expositions-1773	73	37	minated	minate	VERB
expositions-1773	73	38	from	from	ADP
expositions-1773	73	39	atomic	atomic	ADJ
expositions-1773	73	40	numb	numb	NOUN
expositions-1773	73	41	ever	ever	ADV
expositions-1773	73	42	to	to	PART
expositions-1773	73	43	hav	hav	VERB
expositions-1773	73	44	r	r	NOUN
expositions-1773	73	45	primarily	primarily	ADV
expositions-1773	73	46	a	a	PRON
expositions-1773	73	47	these	these	DET
expositions-1773	73	48	gaseou	gaseou	NOUN
expositions-1773	73	49	swept	sweep	VERB
expositions-1773	73	50	out	out	ADP
expositions-1773	73	51	of	of	ADP
expositions-1773	73	52	her	she	PRON
expositions-1773	73	53	out	out	ADV
expositions-1773	73	54	—	—	PUNCT
expositions-1773	73	55	jup	jup	PROPN
expositions-1773	73	56	ws	ws	PROPN
expositions-1773	73	57	of	of	ADP
expositions-1773	73	58	particl	particl	PROPN
expositions-1773	73	59	the	the	DET
expositions-1773	73	60	material	material	NOUN
expositions-1773	73	61	amed	ame	VERB
expositions-1773	73	62	after	after	ADP
expositions-1773	73	63	a	a	DET
expositions-1773	73	64	n	n	NOUN
expositions-1773	73	65	is	be	AUX
expositions-1773	73	66	but	but	CCONJ
expositions-1773	73	67	a	a	DET
expositions-1773	73	68	fa	fa	NOUN
expositions-1773	73	69	mineral	mineral	NOUN
expositions-1773	73	70	gra	gra	NOUN
expositions-1773	73	71	of	of	ADP
expositions-1773	73	72	the	the	DET
expositions-1773	73	73	t	t	PROPN
expositions-1773	73	74	-	-	PUNCT
expositions-1773	73	75	taur	taur	NOUN
expositions-1773	73	76	makes	make	VERB
expositions-1773	73	77	possib	possib	ADJ
expositions-1773	73	78	her	her	PRON
expositions-1773	73	79	atom	atom	NOUN
expositions-1773	73	80	.	.	PUNCT
expositions-1773	74	1	ea	ea	X
expositions-1773	75	1	nking	nke	VERB
expositions-1773	75	2	two	two	NUM
expositions-1773	75	3	si	si	ADJ
expositions-1773	75	4	ygens	ygen	NOUN
expositions-1773	75	5	,	,	PUNCT
expositions-1773	75	6	and	and	CCONJ
expositions-1773	75	7	e	e	NOUN
expositions-1773	75	8	n	n	CCONJ
expositions-1773	75	9	—	—	PUNCT
expositions-1773	75	10	mostly	mostly	ADV
expositions-1773	75	11	m	m	NOUN
expositions-1773	75	12	als	al	NOUN
expositions-1773	75	13	,	,	PUNCT
expositions-1773	75	14	and	and	CCONJ
expositions-1773	75	15	they	they	PRON
expositions-1773	75	16	ow	ow	INTJ
expositions-1773	75	17	big	big	ADJ
expositions-1773	75	18	a	a	DET
expositions-1773	75	19	sil	sil	PROPN
expositions-1773	75	20	ge	ge	PROPN
expositions-1773	75	21	,	,	PUNCT
expositions-1773	75	22	waiting	wait	VERB
expositions-1773	75	23	t	t	NOUN
expositions-1773	75	24	during	during	ADP
expositions-1773	75	25	forma	forma	NOUN
expositions-1773	75	26	icon	icon	NOUN
expositions-1773	75	27	and	and	CCONJ
expositions-1773	75	28	iron	iron	NOUN
expositions-1773	75	29	m	m	NOUN
expositions-1773	75	30	earth	earth	NOUN
expositions-1773	75	31	as	as	ADP
expositions-1773	75	32	bers	ber	NOUN
expositions-1773	75	33	,	,	PUNCT
expositions-1773	75	34	and	and	CCONJ
expositions-1773	75	35	alm	alm	PROPN
expositions-1773	75	36	e	e	PROPN
expositions-1773	75	37	had	have	VERB
expositions-1773	75	38	a	a	DET
expositions-1773	75	39	cha	cha	NOUN
expositions-1773	75	40	as	as	ADP
expositions-1773	75	41	gases	gas	NOUN
expositions-1773	75	42	—	—	PUNCT
expositions-1773	75	43	th	th	NUM
expositions-1773	75	44	us	us	PROPN
expositions-1773	75	45	elements	element	NOUN
expositions-1773	75	46	f	f	PROPN
expositions-1773	75	47	earth	earth	NOUN
expositions-1773	75	48	’s	’s	PART
expositions-1773	75	49	hab	hab	PROPN
expositions-1773	75	50	piter	piter	PROPN
expositions-1773	75	51	,	,	PUNCT
expositions-1773	75	52	saturn	saturn	NOUN
expositions-1773	75	53	les	le	NOUN
expositions-1773	75	54	,	,	PUNCT
expositions-1773	75	55	mostly	mostly	ADV
expositions-1773	75	56	p	p	NOUN
expositions-1773	75	57	that	that	PRON
expositions-1773	75	58	would	would	AUX
expositions-1773	75	59	b	b	VERB
expositions-1773	75	60	a	a	DET
expositions-1773	75	61	very	very	ADV
expositions-1773	75	62	youn	youn	PROPN
expositions-1773	75	63	ai	be	AUX
expositions-1773	75	64	nt	not	PART
expositions-1773	75	65	memory	memory	NOUN
expositions-1773	75	66	ains	ain	NOUN
expositions-1773	75	67	,	,	PUNCT
expositions-1773	75	68	each	each	DET
expositions-1773	75	69	c	c	X
expositions-1773	75	70	ri	ri	NOUN
expositions-1773	75	71	wind	wind	NOUN
expositions-1773	75	72	and	and	CCONJ
expositions-1773	75	73	ble	ble	VERB
expositions-1773	75	74	these	these	DET
expositions-1773	75	75	larg	larg	NOUN
expositions-1773	75	76	ach	ach	PROPN
expositions-1773	75	77	of	of	ADP
expositions-1773	75	78	those	those	DET
expositions-1773	75	79	ilicon	ilicon	NOUN
expositions-1773	75	80	atoms	atom	VERB
expositions-1773	75	81	each	each	DET
expositions-1773	75	82	oxygen	oxygen	NOUN
expositions-1773	75	83	magnesium	magnesium	NOUN
expositions-1773	75	84	an	an	DET
expositions-1773	75	85	y	y	PROPN
expositions-1773	75	86	are	be	AUX
expositions-1773	75	87	the	the	DET
expositions-1773	75	88	ba	ba	PROPN
expositions-1773	75	89	licate	licate	PROPN
expositions-1773	75	90	minera	minera	PROPN
expositions-1773	75	91	to	to	PART
expositions-1773	75	92	grab	grab	VERB
expositions-1773	75	93	onto	onto	ADP
expositions-1773	75	94	ation	ation	NOUN
expositions-1773	75	95	of	of	ADP
expositions-1773	75	96	the	the	DET
expositions-1773	75	97	ea	ea	PROPN
expositions-1773	75	98	.	.	PUNCT
expositions-1773	76	1	(	(	PUNCT
expositions-1773	76	2	christian	christian	NOUN
expositions-1773	76	3	et	et	VERB
expositions-1773	76	4	it	it	PRON
expositions-1773	76	5	formed	form	VERB
expositions-1773	76	6	?	?	PUNCT
expositions-1773	77	1	most	most	ADJ
expositions-1773	77	2	all	all	DET
expositions-1773	77	3	the	the	DET
expositions-1773	77	4	ance	ance	NOUN
expositions-1773	77	5	of	of	ADP
expositions-1773	77	6	bec	bec	PROPN
expositions-1773	77	7	hat	hat	NOUN
expositions-1773	77	8	is	be	AUX
expositions-1773	77	9	,	,	PUNCT
expositions-1773	77	10	as	as	ADP
expositions-1773	77	11	sin	sin	NOUN
expositions-1773	77	12	(	(	PUNCT
expositions-1773	77	13	hydrogen	hydrogen	NOUN
expositions-1773	77	14	,	,	PUNCT
expositions-1773	77	15	bitat	bitat	VERB
expositions-1773	77	16	in	in	ADP
expositions-1773	77	17	the	the	DET
expositions-1773	77	18	in	in	ADP
expositions-1773	77	19	n	n	CCONJ
expositions-1773	77	20	,	,	PUNCT
expositions-1773	77	21	uranus	uranus	ADJ
expositions-1773	77	22	an	an	DET
expositions-1773	77	23	protons	proton	NOUN
expositions-1773	77	24	and	and	CCONJ
expositions-1773	77	25	become	become	VERB
expositions-1773	77	26	the	the	DET
expositions-1773	77	27	ng	ng	PROPN
expositions-1773	77	28	star	star	PROPN
expositions-1773	77	29	whic	whic	PROPN
expositions-1773	77	30	y	y	PROPN
expositions-1773	77	31	of	of	ADP
expositions-1773	77	32	the	the	DET
expositions-1773	77	33	viol	viol	NOUN
expositions-1773	77	34	containing	contain	VERB
expositions-1773	77	35	tr	tr	VERB
expositions-1773	77	36	stay	stay	VERB
expositions-1773	77	37	in	in	ADP
expositions-1773	77	38	the	the	PRON
expositions-1773	77	39	in	in	ADP
expositions-1773	77	40	ge	ge	PROPN
expositions-1773	77	41	mineral	mineral	PROPN
expositions-1773	77	42	g	g	PROPN
expositions-1773	77	43	e	e	NOUN
expositions-1773	77	44	bonds	bond	NOUN
expositions-1773	77	45	pref	pref	PROPN
expositions-1773	77	46	s	s	VERB
expositions-1773	77	47	together	together	ADV
expositions-1773	77	48	.	.	PUNCT
expositions-1773	78	1	s	s	VERB
expositions-1773	79	1	n	n	PRON
expositions-1773	79	2	linking	link	VERB
expositions-1773	79	3	tw	tw	NOUN
expositions-1773	79	4	nd	nd	DET
expositions-1773	79	5	iron	iron	NOUN
expositions-1773	79	6	.	.	PUNCT
expositions-1773	80	1	asis	asis	NOUN
expositions-1773	80	2	of	of	ADP
expositions-1773	80	3	pretty	pretty	ADJ
expositions-1773	80	4	al	al	PROPN
expositions-1773	80	5	grain	grain	NOUN
expositions-1773	80	6	has	have	VERB
expositions-1773	80	7	o	o	PROPN
expositions-1773	80	8	more	more	ADJ
expositions-1773	80	9	oxyg	oxyg	NOUN
expositions-1773	80	10	arth	arth	ADV
expositions-1773	80	11	,	,	PUNCT
expositions-1773	80	12	stressing	stress	VERB
expositions-1773	80	13	t	t	PROPN
expositions-1773	80	14	al	al	PROPN
expositions-1773	80	15	.	.	PROPN
expositions-1773	80	16	2013	2013	NUM
expositions-1773	80	17	,	,	PUNCT
expositions-1773	80	18	25	25	NUM
expositions-1773	80	19	some	some	DET
expositions-1773	80	20	elem	elem	NOUN
expositions-1773	80	21	heavy	heavy	ADJ
expositions-1773	80	22	elem	elem	NOUN
expositions-1773	80	23	oming	oming	NOUN
expositions-1773	80	24	impo	impo	PROPN
expositions-1773	80	25	ngle	ngle	NOUN
expositions-1773	80	26	atoms	atom	NOUN
expositions-1773	80	27	,	,	PUNCT
expositions-1773	80	28	helium	helium	NOUN
expositions-1773	80	29	,	,	PUNCT
expositions-1773	81	1	an	an	DET
expositions-1773	81	2	nner	nner	NOUN
expositions-1773	81	3	solar	solar	NOUN
expositions-1773	81	4	sy	sy	PROPN
expositions-1773	81	5	nd	nd	NOUN
expositions-1773	81	6	neptune	neptune	NOUN
expositions-1773	81	7	electrons	electron	NOUN
expositions-1773	82	1	,	,	PUNCT
expositions-1773	82	2	d	d	PROPN
expositions-1773	82	3	sun	sun	NOUN
expositions-1773	82	4	fell	fall	VERB
expositions-1773	82	5	toge	toge	PROPN
expositions-1773	82	6	ch	ch	PROPN
expositions-1773	82	7	is	be	AUX
expositions-1773	82	8	now	now	ADV
expositions-1773	82	9	in	in	ADP
expositions-1773	82	10	ent	ent	NOUN
expositions-1773	82	11	outflow	outflow	NOUN
expositions-1773	82	12	rillions	rillion	NOUN
expositions-1773	82	13	of	of	ADP
expositions-1773	82	14	at	at	ADP
expositions-1773	82	15	nner	nner	PROPN
expositions-1773	82	16	solar	solar	ADJ
expositions-1773	82	17	sy	sy	PROPN
expositions-1773	82	18	grains	grain	NOUN
expositions-1773	82	19	,	,	PUNCT
expositions-1773	82	20	becau	becau	NOUN
expositions-1773	82	21	fers	fer	NOUN
expositions-1773	82	22	to	to	PART
expositions-1773	82	23	link	link	VERB
expositions-1773	82	24	so	so	ADV
expositions-1773	82	25	giant	giant	ADJ
expositions-1773	82	26	netw	netw	NOUN
expositions-1773	82	27	wo	will	AUX
expositions-1773	82	28	silicons	silicon	NOUN
expositions-1773	82	29	,	,	PUNCT
expositions-1773	82	30	y	y	PROPN
expositions-1773	82	31	much	much	ADJ
expositions-1773	82	32	all	all	PRON
expositions-1773	82	33	o	o	NOUN
expositions-1773	82	34	grown	grown	NOUN
expositions-1773	82	35	,	,	PUNCT
expositions-1773	82	36	ther	ther	ADV
expositions-1773	82	37	gens	gen	NOUN
expositions-1773	82	38	and	and	CCONJ
expositions-1773	82	39	sili	sili	PROPN
expositions-1773	82	40	74	74	NUM
expositions-1773	82	41	  	  	SPACE
expositions-1773	82	42	g	g	PROPN
expositions-1773	82	43	that	that	PRON
expositions-1773	82	44	)	)	PUNCT
expositions-1773	82	45	.	.	PUNCT
expositions-1773	83	1	ments	ment	NOUN
expositions-1773	83	2	ments	ment	NOUN
expositions-1773	83	3	)	)	PUNCT
expositions-1773	84	1	ortant	ortant	ADJ
expositions-1773	84	2	or	or	CCONJ
expositions-1773	84	3	as	as	ADP
expositions-1773	84	4	nd	nd	ADV
expositions-1773	84	5	the	the	DET
expositions-1773	84	6	ystem	ystem	NOUN
expositions-1773	84	7	.	.	PUNCT
expositions-1773	85	1	the	the	DET
expositions-1773	85	2	driven	driven	ADJ
expositions-1773	85	3	ether	ether	NOUN
expositions-1773	85	4	.	.	PUNCT
expositions-1773	86	1	n	n	CCONJ
expositions-1773	86	2	that	that	PRON
expositions-1773	86	3	from	from	ADP
expositions-1773	86	4	toms	tom	NOUN
expositions-1773	86	5	,	,	PUNCT
expositions-1773	86	6	ystem	ystem	NOUN
expositions-1773	86	7	use	use	VERB
expositions-1773	86	8	it	it	PRON
expositions-1773	86	9	to	to	ADP
expositions-1773	86	10	an	an	DET
expositions-1773	86	11	works	work	NOUN
expositions-1773	86	12	with	with	ADP
expositions-1773	86	13	of	of	ADP
expositions-1773	86	14	the	the	DET
expositions-1773	86	15	re	re	NOUN
expositions-1773	86	16	are	be	AUX
expositions-1773	86	17	icons	icon	NOUN
expositions-1773	86	18	.	.	PUNCT
expositions-1773	87	1	75	75	NUM
expositions-1773	87	2	alvarez	alvarez	PROPN
expositions-1773	87	3	  	  	SPACE
expositions-1773	87	4	silicate	silicate	NOUN
expositions-1773	87	5	grains	grain	NOUN
expositions-1773	87	6	can	can	AUX
expositions-1773	87	7	thus	thus	ADV
expositions-1773	87	8	become	become	VERB
expositions-1773	87	9	arbitrarily	arbitrarily	ADV
expositions-1773	87	10	large	large	ADJ
expositions-1773	87	11	,	,	PUNCT
expositions-1773	87	12	unless	unless	SCONJ
expositions-1773	87	13	they	they	PRON
expositions-1773	87	14	are	be	AUX
expositions-1773	87	15	in	in	ADP
expositions-1773	87	16	an	an	DET
expositions-1773	87	17	aggregate	aggregate	NOUN
expositions-1773	87	18	of	of	ADP
expositions-1773	87	19	grains	grain	NOUN
expositions-1773	87	20	—	—	PUNCT
expositions-1773	87	21	a	a	DET
expositions-1773	87	22	rock	rock	NOUN
expositions-1773	87	23	—	—	PUNCT
expositions-1773	87	24	and	and	CCONJ
expositions-1773	87	25	run	run	VERB
expositions-1773	87	26	into	into	ADP
expositions-1773	87	27	another	another	DET
expositions-1773	87	28	growing	grow	VERB
expositions-1773	87	29	grain	grain	NOUN
expositions-1773	87	30	.	.	PUNCT
expositions-1773	88	1	so	so	ADV
expositions-1773	88	2	the	the	DET
expositions-1773	88	3	big	big	ADJ
expositions-1773	88	4	-	-	PUNCT
expositions-1773	88	5	four	four	NUM
expositions-1773	88	6	elements	element	NOUN
expositions-1773	88	7	—	—	PUNCT
expositions-1773	88	8	silicon	silicon	NOUN
expositions-1773	88	9	,	,	PUNCT
expositions-1773	88	10	oxygen	oxygen	NOUN
expositions-1773	88	11	,	,	PUNCT
expositions-1773	88	12	magnesium	magnesium	NOUN
expositions-1773	88	13	,	,	PUNCT
expositions-1773	88	14	and	and	CCONJ
expositions-1773	88	15	iron	iron	NOUN
expositions-1773	88	16	—	—	PUNCT
expositions-1773	88	17	were	be	AUX
expositions-1773	88	18	all	all	PRON
expositions-1773	88	19	incorporated	incorporate	VERB
expositions-1773	88	20	in	in	ADP
expositions-1773	88	21	the	the	DET
expositions-1773	88	22	silicate	silicate	NOUN
expositions-1773	88	23	minerals	mineral	NOUN
expositions-1773	88	24	that	that	PRON
expositions-1773	88	25	make	make	VERB
expositions-1773	88	26	up	up	ADP
expositions-1773	88	27	the	the	DET
expositions-1773	88	28	rocky	rocky	ADJ
expositions-1773	88	29	part	part	NOUN
expositions-1773	88	30	of	of	ADP
expositions-1773	88	31	earth	earth	NOUN
expositions-1773	88	32	,	,	PUNCT
expositions-1773	88	33	with	with	ADP
expositions-1773	88	34	the	the	DET
expositions-1773	88	35	leftover	leftover	NOUN
expositions-1773	88	36	iron	iron	NOUN
expositions-1773	88	37	forming	form	VERB
expositions-1773	88	38	the	the	DET
expositions-1773	88	39	metallic	metallic	ADJ
expositions-1773	88	40	core	core	NOUN
expositions-1773	88	41	.	.	PUNCT
expositions-1773	89	1	and	and	CCONJ
expositions-1773	89	2	thus	thus	ADV
expositions-1773	89	3	it	it	PRON
expositions-1773	89	4	is	be	AUX
expositions-1773	89	5	silicon	silicon	NOUN
expositions-1773	89	6	,	,	PUNCT
expositions-1773	89	7	whose	whose	DET
expositions-1773	89	8	four	four	NUM
expositions-1773	89	9	bonds	bond	NOUN
expositions-1773	89	10	make	make	VERB
expositions-1773	89	11	those	those	DET
expositions-1773	89	12	minerals	mineral	NOUN
expositions-1773	89	13	possible	possible	ADJ
expositions-1773	89	14	,	,	PUNCT
expositions-1773	89	15	that	that	SCONJ
expositions-1773	89	16	we	we	PRON
expositions-1773	89	17	can	can	AUX
expositions-1773	89	18	think	think	VERB
expositions-1773	89	19	of	of	ADP
expositions-1773	89	20	as	as	ADP
expositions-1773	89	21	earth	earth	NOUN
expositions-1773	89	22	’s	’s	PART
expositions-1773	89	23	favorite	favorite	ADJ
expositions-1773	89	24	element	element	NOUN
expositions-1773	89	25	.	.	PUNCT
expositions-1773	90	1	now	now	ADV
expositions-1773	90	2	let	let	VERB
expositions-1773	90	3	’s	’s	NOUN
expositions-1773	90	4	go	go	VERB
expositions-1773	90	5	on	on	ADP
expositions-1773	90	6	and	and	CCONJ
expositions-1773	90	7	see	see	VERB
expositions-1773	90	8	how	how	SCONJ
expositions-1773	90	9	silicon	silicon	NOUN
expositions-1773	90	10	,	,	PUNCT
expositions-1773	90	11	which	which	PRON
expositions-1773	90	12	was	be	AUX
expositions-1773	90	13	initially	initially	ADV
expositions-1773	90	14	mixed	mix	VERB
expositions-1773	90	15	up	up	ADP
expositions-1773	90	16	in	in	ADP
expositions-1773	90	17	our	our	PRON
expositions-1773	90	18	planet	planet	NOUN
expositions-1773	90	19	with	with	ADP
expositions-1773	90	20	oxygen	oxygen	NOUN
expositions-1773	90	21	,	,	PUNCT
expositions-1773	90	22	magnesium	magnesium	NOUN
expositions-1773	90	23	,	,	PUNCT
expositions-1773	90	24	iron	iron	NOUN
expositions-1773	90	25	,	,	PUNCT
expositions-1773	90	26	and	and	CCONJ
expositions-1773	90	27	some	some	DET
expositions-1773	90	28	minor	minor	ADJ
expositions-1773	90	29	components	component	NOUN
expositions-1773	90	30	,	,	PUNCT
expositions-1773	90	31	was	be	AUX
expositions-1773	90	32	sorted	sort	VERB
expositions-1773	90	33	and	and	CCONJ
expositions-1773	90	34	concentrated	concentrate	VERB
expositions-1773	90	35	by	by	ADP
expositions-1773	90	36	earth	earth	NOUN
expositions-1773	90	37	into	into	ADP
expositions-1773	90	38	forms	form	NOUN
expositions-1773	90	39	humans	human	NOUN
expositions-1773	90	40	can	can	AUX
expositions-1773	90	41	use	use	VERB
expositions-1773	90	42	.	.	PUNCT
expositions-1773	91	1	that	that	DET
expositions-1773	91	2	usage	usage	NOUN
expositions-1773	91	3	is	be	AUX
expositions-1773	91	4	quite	quite	ADV
expositions-1773	91	5	amazing	amazing	ADJ
expositions-1773	91	6	!	!	PUNCT
expositions-1773	92	1	a	a	DET
expositions-1773	92	2	number	number	NOUN
expositions-1773	92	3	of	of	ADP
expositions-1773	92	4	characteristics	characteristic	NOUN
expositions-1773	92	5	distinguish	distinguish	VERB
expositions-1773	92	6	humans	human	NOUN
expositions-1773	92	7	from	from	ADP
expositions-1773	92	8	all	all	DET
expositions-1773	92	9	other	other	ADJ
expositions-1773	92	10	animals	animal	NOUN
expositions-1773	92	11	,	,	PUNCT
expositions-1773	92	12	and	and	CCONJ
expositions-1773	92	13	among	among	ADP
expositions-1773	92	14	those	those	DET
expositions-1773	92	15	features	feature	NOUN
expositions-1773	92	16	are	be	AUX
expositions-1773	92	17	complex	complex	ADJ
expositions-1773	92	18	tools	tool	NOUN
expositions-1773	92	19	,	,	PUNCT
expositions-1773	92	20	artificial	artificial	ADJ
expositions-1773	92	21	materials	material	NOUN
expositions-1773	92	22	,	,	PUNCT
expositions-1773	92	23	and	and	CCONJ
expositions-1773	92	24	computers	computer	NOUN
expositions-1773	92	25	.	.	PUNCT
expositions-1773	93	1	tools	tool	NOUN
expositions-1773	93	2	let	let	VERB
expositions-1773	93	3	us	we	PRON
expositions-1773	93	4	do	do	VERB
expositions-1773	93	5	things	thing	NOUN
expositions-1773	93	6	our	our	PRON
expositions-1773	93	7	natural	natural	ADJ
expositions-1773	93	8	hands	hand	NOUN
expositions-1773	93	9	and	and	CCONJ
expositions-1773	93	10	bodies	body	NOUN
expositions-1773	93	11	can	can	AUX
expositions-1773	93	12	not	not	PART
expositions-1773	93	13	do	do	VERB
expositions-1773	93	14	,	,	PUNCT
expositions-1773	93	15	artificial	artificial	ADJ
expositions-1773	93	16	materials	material	NOUN
expositions-1773	93	17	let	let	VERB
expositions-1773	93	18	us	we	PRON
expositions-1773	93	19	do	do	VERB
expositions-1773	93	20	things	thing	NOUN
expositions-1773	93	21	impossible	impossible	ADJ
expositions-1773	93	22	with	with	ADP
expositions-1773	93	23	natural	natural	ADJ
expositions-1773	93	24	materials	material	NOUN
expositions-1773	93	25	,	,	PUNCT
expositions-1773	93	26	and	and	CCONJ
expositions-1773	93	27	computers	computer	NOUN
expositions-1773	93	28	let	let	VERB
expositions-1773	93	29	us	we	PRON
expositions-1773	93	30	do	do	VERB
expositions-1773	93	31	things	thing	NOUN
expositions-1773	93	32	our	our	PRON
expositions-1773	93	33	natural	natural	ADJ
expositions-1773	93	34	brains	brain	NOUN
expositions-1773	93	35	can	can	AUX
expositions-1773	93	36	not	not	PART
expositions-1773	93	37	do	do	VERB
expositions-1773	93	38	.	.	PUNCT
expositions-1773	94	1	in	in	ADP
expositions-1773	94	2	the	the	DET
expositions-1773	94	3	rest	rest	NOUN
expositions-1773	94	4	of	of	ADP
expositions-1773	94	5	this	this	DET
expositions-1773	94	6	contribution	contribution	NOUN
expositions-1773	94	7	we	we	PRON
expositions-1773	94	8	will	will	AUX
expositions-1773	94	9	look	look	VERB
expositions-1773	94	10	at	at	ADP
expositions-1773	94	11	one	one	NUM
expositions-1773	94	12	example	example	NOUN
expositions-1773	94	13	from	from	ADP
expositions-1773	94	14	each	each	PRON
expositions-1773	94	15	of	of	ADP
expositions-1773	94	16	those	those	DET
expositions-1773	94	17	three	three	NUM
expositions-1773	94	18	categories	category	NOUN
expositions-1773	94	19	—	—	PUNCT
expositions-1773	94	20	stone	stone	NOUN
expositions-1773	94	21	tools	tool	NOUN
expositions-1773	94	22	,	,	PUNCT
expositions-1773	94	23	glass	glass	NOUN
expositions-1773	94	24	,	,	PUNCT
expositions-1773	94	25	and	and	CCONJ
expositions-1773	94	26	computer	computer	NOUN
expositions-1773	94	27	chips	chip	NOUN
expositions-1773	94	28	.	.	PUNCT
expositions-1773	95	1	each	each	PRON
expositions-1773	95	2	is	be	AUX
expositions-1773	95	3	based	base	VERB
expositions-1773	95	4	on	on	ADP
expositions-1773	95	5	silicon	silicon	NOUN
expositions-1773	95	6	,	,	PUNCT
expositions-1773	95	7	which	which	PRON
expositions-1773	95	8	is	be	AUX
expositions-1773	95	9	not	not	PART
expositions-1773	95	10	just	just	ADV
expositions-1773	95	11	one	one	NUM
expositions-1773	95	12	of	of	ADP
expositions-1773	95	13	earth	earth	NOUN
expositions-1773	95	14	’s	’s	PART
expositions-1773	95	15	favorite	favorite	ADJ
expositions-1773	95	16	elements	element	NOUN
expositions-1773	95	17	,	,	PUNCT
expositions-1773	95	18	but	but	CCONJ
expositions-1773	95	19	one	one	NUM
expositions-1773	95	20	of	of	ADP
expositions-1773	95	21	ours	ours	PRON
expositions-1773	95	22	as	as	ADV
expositions-1773	95	23	well	well	ADV
expositions-1773	95	24	.	.	PUNCT
expositions-1773	96	1	conveniently	conveniently	ADV
expositions-1773	96	2	,	,	PUNCT
expositions-1773	96	3	each	each	PRON
expositions-1773	96	4	of	of	ADP
expositions-1773	96	5	those	those	DET
expositions-1773	96	6	technologies	technology	NOUN
expositions-1773	96	7	uses	use	VERB
expositions-1773	96	8	silicon	silicon	NOUN
expositions-1773	96	9	that	that	PRON
expositions-1773	96	10	was	be	AUX
expositions-1773	96	11	concentrated	concentrate	VERB
expositions-1773	96	12	in	in	ADP
expositions-1773	96	13	a	a	DET
expositions-1773	96	14	different	different	ADJ
expositions-1773	96	15	way	way	NOUN
expositions-1773	96	16	,	,	PUNCT
expositions-1773	96	17	so	so	SCONJ
expositions-1773	96	18	we	we	PRON
expositions-1773	96	19	can	can	AUX
expositions-1773	96	20	get	get	VERB
expositions-1773	96	21	some	some	DET
expositions-1773	96	22	feeling	feeling	NOUN
expositions-1773	96	23	for	for	ADP
expositions-1773	96	24	the	the	DET
expositions-1773	96	25	variety	variety	NOUN
expositions-1773	96	26	of	of	ADP
expositions-1773	96	27	remarkable	remarkable	ADJ
expositions-1773	96	28	processes	process	NOUN
expositions-1773	96	29	through	through	ADP
expositions-1773	96	30	which	which	PRON
expositions-1773	96	31	earth	earth	NOUN
expositions-1773	96	32	has	have	AUX
expositions-1773	96	33	produced	produce	VERB
expositions-1773	96	34	the	the	DET
expositions-1773	96	35	mineral	mineral	NOUN
expositions-1773	96	36	deposits	deposit	NOUN
expositions-1773	96	37	we	we	PRON
expositions-1773	96	38	depend	depend	VERB
expositions-1773	96	39	on	on	ADP
expositions-1773	96	40	.	.	PUNCT
expositions-1773	97	1	silicon	silicon	NOUN
expositions-1773	97	2	and	and	CCONJ
expositions-1773	97	3	stone	stone	NOUN
expositions-1773	97	4	tools	tool	NOUN
expositions-1773	97	5	think	think	VERB
expositions-1773	97	6	of	of	ADP
expositions-1773	97	7	the	the	DET
expositions-1773	97	8	variety	variety	NOUN
expositions-1773	97	9	of	of	ADP
expositions-1773	97	10	tools	tool	NOUN
expositions-1773	97	11	we	we	PRON
expositions-1773	97	12	use	use	VERB
expositions-1773	97	13	!	!	PUNCT
expositions-1773	98	1	from	from	ADP
expositions-1773	98	2	simple	simple	ADJ
expositions-1773	98	3	knives	knife	NOUN
expositions-1773	98	4	,	,	PUNCT
expositions-1773	98	5	hammers	hammer	NOUN
expositions-1773	98	6	,	,	PUNCT
expositions-1773	98	7	saws	saw	NOUN
expositions-1773	98	8	and	and	CCONJ
expositions-1773	98	9	screwdrivers	screwdriver	NOUN
expositions-1773	98	10	,	,	PUNCT
expositions-1773	98	11	to	to	ADP
expositions-1773	98	12	more	more	ADV
expositions-1773	98	13	complicated	complicated	ADJ
expositions-1773	98	14	tools	tool	NOUN
expositions-1773	98	15	like	like	ADP
expositions-1773	98	16	violins	violin	NOUN
expositions-1773	98	17	and	and	CCONJ
expositions-1773	98	18	pianos	piano	NOUN
expositions-1773	98	19	,	,	PUNCT
expositions-1773	98	20	drill	drill	NOUN
expositions-1773	98	21	presses	press	NOUN
expositions-1773	98	22	,	,	PUNCT
expositions-1773	98	23	agricultural	agricultural	ADJ
expositions-1773	98	24	harvesting	harvesting	NOUN
expositions-1773	98	25	machines	machine	NOUN
expositions-1773	98	26	,	,	PUNCT
expositions-1773	98	27	and	and	CCONJ
expositions-1773	98	28	industrial	industrial	ADJ
expositions-1773	98	29	looms	loom	NOUN
expositions-1773	98	30	,	,	PUNCT
expositions-1773	98	31	to	to	PART
expositions-1773	98	32	really	really	ADV
expositions-1773	98	33	sophisticated	sophisticated	ADJ
expositions-1773	98	34	,	,	PUNCT
expositions-1773	98	35	high	high	ADJ
expositions-1773	98	36	-	-	PUNCT
expositions-1773	98	37	tech	tech	NOUN
expositions-1773	98	38	tools	tool	NOUN
expositions-1773	98	39	like	like	ADP
expositions-1773	98	40	interplanetary	interplanetary	ADJ
expositions-1773	98	41	spacecraft	spacecraft	NOUN
expositions-1773	98	42	,	,	PUNCT
expositions-1773	98	43	laser	laser	NOUN
expositions-1773	98	44	ranging	ranging	NOUN
expositions-1773	98	45	devices	device	NOUN
expositions-1773	98	46	,	,	PUNCT
expositions-1773	98	47	global	global	ADJ
expositions-1773	98	48	-	-	PUNCT
expositions-1773	98	49	positioning	positioning	NOUN
expositions-1773	98	50	-	-	PUNCT
expositions-1773	98	51	system	system	NOUN
expositions-1773	98	52	receivers	receiver	NOUN
expositions-1773	98	53	,	,	PUNCT
expositions-1773	98	54	and	and	CCONJ
expositions-1773	98	55	computer	computer	NOUN
expositions-1773	98	56	-	-	PUNCT
expositions-1773	98	57	controlled	control	VERB
expositions-1773	98	58	three	three	NUM
expositions-1773	98	59	-	-	PUNCT
expositions-1773	98	60	dimensional	dimensional	ADJ
expositions-1773	98	61	printers	printer	NOUN
expositions-1773	98	62	—	—	PUNCT
expositions-1773	98	63	the	the	DET
expositions-1773	98	64	list	list	NOUN
expositions-1773	98	65	is	be	AUX
expositions-1773	98	66	almost	almost	ADV
expositions-1773	98	67	endless	endless	ADJ
expositions-1773	98	68	and	and	CCONJ
expositions-1773	98	69	portrays	portray	VERB
expositions-1773	98	70	a	a	DET
expositions-1773	98	71	species	specie	NOUN
expositions-1773	98	72	with	with	ADP
expositions-1773	98	73	a	a	DET
expositions-1773	98	74	technological	technological	ADJ
expositions-1773	98	75	virtuosity	virtuosity	NOUN
expositions-1773	98	76	that	that	PRON
expositions-1773	98	77	would	would	AUX
expositions-1773	98	78	have	have	AUX
expositions-1773	98	79	been	be	AUX
expositions-1773	98	80	inconceivable	inconceivable	ADJ
expositions-1773	98	81	even	even	ADV
expositions-1773	98	82	a	a	DET
expositions-1773	98	83	million	million	NUM
expositions-1773	98	84	years	year	NOUN
expositions-1773	98	85	ago	ago	ADV
expositions-1773	98	86	.	.	PUNCT
expositions-1773	99	1	primates	primate	NOUN
expositions-1773	99	2	have	have	AUX
expositions-1773	99	3	been	be	AUX
expositions-1773	99	4	seen	see	VERB
expositions-1773	99	5	to	to	PART
expositions-1773	99	6	use	use	VERB
expositions-1773	99	7	and	and	CCONJ
expositions-1773	99	8	sometimes	sometimes	ADV
expositions-1773	99	9	make	make	VERB
expositions-1773	99	10	very	very	ADV
expositions-1773	99	11	simple	simple	ADJ
expositions-1773	99	12	tools	tool	NOUN
expositions-1773	99	13	,	,	PUNCT
expositions-1773	99	14	and	and	CCONJ
expositions-1773	99	15	some	some	DET
expositions-1773	99	16	birds	bird	NOUN
expositions-1773	99	17	and	and	CCONJ
expositions-1773	99	18	invertebrates	invertebrate	NOUN
expositions-1773	99	19	may	may	AUX
expositions-1773	99	20	use	use	VERB
expositions-1773	99	21	found	find	VERB
expositions-1773	99	22	objects	object	NOUN
expositions-1773	99	23	as	as	ADP
expositions-1773	99	24	primitive	primitive	ADJ
expositions-1773	99	25	tools	tool	NOUN
expositions-1773	99	26	,	,	PUNCT
expositions-1773	99	27	but	but	CCONJ
expositions-1773	99	28	the	the	DET
expositions-1773	99	29	complexity	complexity	NOUN
expositions-1773	99	30	of	of	ADP
expositions-1773	99	31	tool	tool	NOUN
expositions-1773	99	32	manufacture	manufacture	NOUN
expositions-1773	99	33	and	and	CCONJ
expositions-1773	99	34	use	use	NOUN
expositions-1773	99	35	by	by	ADP
expositions-1773	99	36	human	human	ADJ
expositions-1773	99	37	beings	being	NOUN
expositions-1773	99	38	is	be	AUX
expositions-1773	99	39	quite	quite	ADV
expositions-1773	99	40	unique	unique	ADJ
expositions-1773	99	41	.	.	PUNCT
expositions-1773	100	1	how	how	SCONJ
expositions-1773	100	2	and	and	CCONJ
expositions-1773	100	3	when	when	SCONJ
expositions-1773	100	4	did	do	AUX
expositions-1773	100	5	this	this	DET
expositions-1773	100	6	virtuosity	virtuosity	NOUN
expositions-1773	100	7	begin	begin	VERB
expositions-1773	100	8	?	?	PUNCT
expositions-1773	101	1	we	we	PRON
expositions-1773	101	2	are	be	AUX
expositions-1773	101	3	unlikely	unlikely	ADJ
expositions-1773	101	4	ever	ever	ADV
expositions-1773	101	5	to	to	PART
expositions-1773	101	6	find	find	VERB
expositions-1773	101	7	examples	example	NOUN
expositions-1773	101	8	of	of	ADP
expositions-1773	101	9	objects	object	NOUN
expositions-1773	101	10	at	at	ADP
expositions-1773	101	11	the	the	DET
expositions-1773	101	12	transition	transition	NOUN
expositions-1773	101	13	from	from	ADP
expositions-1773	101	14	found	find	VERB
expositions-1773	101	15	objects	object	NOUN
expositions-1773	101	16	to	to	PART
expositions-1773	101	17	purposely	purposely	ADV
expositions-1773	101	18	-	-	PUNCT
expositions-1773	101	19	constructed	construct	VERB
expositions-1773	101	20	tools	tool	NOUN
expositions-1773	101	21	,	,	PUNCT
expositions-1773	101	22	because	because	SCONJ
expositions-1773	101	23	wood	wood	NOUN
expositions-1773	101	24	,	,	PUNCT
expositions-1773	101	25	the	the	DET
expositions-1773	101	26	most	most	ADV
expositions-1773	101	27	likely	likely	ADJ
expositions-1773	101	28	material	material	NOUN
expositions-1773	101	29	,	,	PUNCT
expositions-1773	101	30	is	be	AUX
expositions-1773	101	31	so	so	ADV
expositions-1773	101	32	perishable	perishable	ADJ
expositions-1773	101	33	.	.	PUNCT
expositions-1773	102	1	but	but	CCONJ
expositions-1773	102	2	the	the	DET
expositions-1773	102	3	record	record	NOUN
expositions-1773	102	4	for	for	ADP
expositions-1773	102	5	stone	stone	NOUN
expositions-1773	102	6	tools	tool	NOUN
expositions-1773	102	7	is	be	AUX
expositions-1773	102	8	abundant	abundant	ADJ
expositions-1773	102	9	.	.	PUNCT
expositions-1773	103	1	archaeologists	archaeologist	NOUN
expositions-1773	103	2	,	,	PUNCT
expositions-1773	103	3	who	who	PRON
expositions-1773	103	4	like	like	VERB
expositions-1773	103	5	to	to	PART
expositions-1773	103	6	divide	divide	VERB
expositions-1773	103	7	history	history	NOUN
expositions-1773	103	8	into	into	ADP
expositions-1773	103	9	three	three	NUM
expositions-1773	103	10	parts	part	NOUN
expositions-1773	103	11	,	,	PUNCT
expositions-1773	103	12	have	have	AUX
expositions-1773	103	13	long	long	ADV
expositions-1773	103	14	divided	divide	VERB
expositions-1773	103	15	the	the	DET
expositions-1773	103	16	human	human	ADJ
expositions-1773	103	17	past	past	NOUN
expositions-1773	103	18	into	into	ADP
expositions-1773	103	19	three	three	NUM
expositions-1773	103	20	ages	age	NOUN
expositions-1773	103	21	—	—	PUNCT
expositions-1773	103	22	stone	stone	NOUN
expositions-1773	103	23	age	age	NOUN
expositions-1773	103	24	,	,	PUNCT
expositions-1773	103	25	bronze	bronze	NOUN
expositions-1773	103	26	age	age	NOUN
expositions-1773	103	27	,	,	PUNCT
expositions-1773	103	28	and	and	CCONJ
expositions-1773	103	29	iron	iron	NOUN
expositions-1773	103	30	age	age	NOUN
expositions-1773	103	31	—	—	PUNCT
expositions-1773	103	32	based	base	VERB
expositions-1773	103	33	on	on	ADP
expositions-1773	103	34	the	the	DET
expositions-1773	103	35	kinds	kind	NOUN
expositions-1773	103	36	of	of	ADP
expositions-1773	103	37	tools	tool	NOUN
expositions-1773	103	38	found	find	VERB
expositions-1773	103	39	in	in	ADP
expositions-1773	103	40	excavations	excavation	NOUN
expositions-1773	103	41	.	.	PUNCT
expositions-1773	104	1	the	the	DET
expositions-1773	104	2	earliest	early	ADJ
expositions-1773	104	3	recognized	recognize	VERB
expositions-1773	104	4	stone	stone	NOUN
expositions-1773	104	5	tools	tool	NOUN
expositions-1773	104	6	are	be	AUX
expositions-1773	104	7	found	find	VERB
expositions-1773	104	8	in	in	ADP
expositions-1773	104	9	east	east	PROPN
expositions-1773	104	10	africa	africa	PROPN
expositions-1773	104	11	,	,	PUNCT
expositions-1773	104	12	dating	date	VERB
expositions-1773	104	13	from	from	ADP
expositions-1773	104	14	about	about	ADP
expositions-1773	104	15	2.5	2.5	NUM
expositions-1773	104	16	million	million	NUM
expositions-1773	104	17	years	year	NOUN
expositions-1773	104	18	ago	ago	ADV
expositions-1773	104	19	,	,	PUNCT
expositions-1773	104	20	and	and	CCONJ
expositions-1773	104	21	seem	seem	VERB
expositions-1773	104	22	to	to	PART
expositions-1773	104	23	have	have	AUX
expositions-1773	104	24	been	be	AUX
expositions-1773	104	25	made	make	VERB
expositions-1773	104	26	by	by	ADP
expositions-1773	104	27	homo	homo	NOUN
expositions-1773	104	28	habilis	habilis	PROPN
expositions-1773	104	29	,	,	PUNCT
expositions-1773	104	30	whose	whose	DET
expositions-1773	104	31	species	specie	NOUN
expositions-1773	104	32	name	name	NOUN
expositions-1773	104	33	reflects	reflect	VERB
expositions-1773	104	34	this	this	DET
expositions-1773	104	35	toolmaking	toolmaking	ADJ
expositions-1773	104	36	ability	ability	NOUN
expositions-1773	104	37	.	.	PUNCT
expositions-1773	105	1	these	these	PRON
expositions-1773	105	2	are	be	AUX
expositions-1773	105	3	simply	simply	ADV
expositions-1773	105	4	pebbles	pebble	NOUN
expositions-1773	105	5	with	with	ADP
expositions-1773	105	6	random	random	ADJ
expositions-1773	105	7	chips	chip	NOUN
expositions-1773	105	8	knocked	knock	VERB
expositions-1773	105	9	off	off	ADP
expositions-1773	105	10	,	,	PUNCT
expositions-1773	105	11	giving	give	VERB
expositions-1773	105	12	sharp	sharp	ADJ
expositions-1773	105	13	edges	edge	NOUN
expositions-1773	105	14	that	that	PRON
expositions-1773	105	15	could	could	AUX
expositions-1773	105	16	be	be	AUX
expositions-1773	105	17	used	use	VERB
expositions-1773	105	18	for	for	ADP
expositions-1773	105	19	cutting	cut	VERB
expositions-1773	105	20	.	.	PUNCT
expositions-1773	106	1	they	they	PRON
expositions-1773	106	2	have	have	AUX
expositions-1773	106	3	been	be	AUX
expositions-1773	106	4	called	call	VERB
expositions-1773	106	5	the	the	DET
expositions-1773	106	6	oldowan	oldowan	PROPN
expositions-1773	106	7	industry	industry	NOUN
expositions-1773	106	8	,	,	PUNCT
expositions-1773	106	9	after	after	ADP
expositions-1773	106	10	olduvai	olduvai	NOUN
expositions-1773	106	11	gorge	gorge	NOUN
expositions-1773	106	12	in	in	ADP
expositions-1773	106	13	tanzania	tanzania	PROPN
expositions-1773	106	14	.	.	PUNCT
expositions-1773	107	1	subsequent	subsequent	ADJ
expositions-1773	107	2	stone	stone	NOUN
expositions-1773	107	3	-	-	PUNCT
expositions-1773	107	4	tool	tool	NOUN
expositions-1773	107	5	industries	industry	NOUN
expositions-1773	107	6	,	,	PUNCT
expositions-1773	107	7	like	like	ADP
expositions-1773	107	8	the	the	DET
expositions-1773	107	9	acheulean	acheulean	ADJ
expositions-1773	107	10	hand	hand	NOUN
expositions-1773	107	11	axes	axis	NOUN
expositions-1773	107	12	,	,	PUNCT
expositions-1773	107	13	display	display	NOUN
expositions-1773	107	14	increasing	increase	VERB
expositions-1773	107	15	we	we	PRON
expositions-1773	107	16	are	be	AUX
expositions-1773	107	17	s	s	PRON
expositions-1773	107	18	  	  	SPACE
expositions-1773	107	19	sophistic	sophistic	ADJ
expositions-1773	107	20	that	that	SCONJ
expositions-1773	107	21	they	they	PRON
expositions-1773	107	22	brains	brain	VERB
expositions-1773	107	23	an	an	DET
expositions-1773	107	24	million	million	NUM
expositions-1773	107	25	y	y	NOUN
expositions-1773	107	26	what	what	PRON
expositions-1773	107	27	ma	ma	PROPN
expositions-1773	107	28	which	which	PRON
expositions-1773	107	29	ha	ha	X
expositions-1773	107	30	cutting	cut	VERB
expositions-1773	107	31	ab	ab	PROPN
expositions-1773	107	32	nick	nick	PROPN
expositions-1773	107	33	t	t	PROPN
expositions-1773	107	34	stone	stone	NOUN
expositions-1773	107	35	ag	ag	PROPN
expositions-1773	107	36	skilled	skilled	ADJ
expositions-1773	107	37	m	m	VERB
expositions-1773	107	38	produce	produce	VERB
expositions-1773	107	39	about	about	ADV
expositions-1773	107	40	1.5	1.5	NUM
expositions-1773	107	41	early	early	ADJ
expositions-1773	107	42	hum	hum	NOUN
expositions-1773	107	43	naturally	naturally	ADV
expositions-1773	107	44	carnivore	carnivore	VERB
expositions-1773	107	45	  	  	SPACE
expositions-1773	107	46	stardust	stardust	PROPN
expositions-1773	107	47	…	…	PUNCT
expositions-1773	107	48	co	co	NOUN
expositions-1773	107	49	ation	ation	NOUN
expositions-1773	107	50	on	on	ADP
expositions-1773	107	51	the	the	DET
expositions-1773	107	52	y	y	PROPN
expositions-1773	107	53	qualify	qualify	VERB
expositions-1773	107	54	as	as	ADP
expositions-1773	107	55	w	w	PROPN
expositions-1773	107	56	nd	nd	NOUN
expositions-1773	107	57	tool	tool	NOUN
expositions-1773	107	58	-	-	PUNCT
expositions-1773	107	59	maki	maki	NOUN
expositions-1773	107	60	years	year	NOUN
expositions-1773	107	61	.	.	PUNCT
expositions-1773	107	62	  	  	SPACE
expositions-1773	108	1	ade	ade	NOUN
expositions-1773	108	2	all	all	PRON
expositions-1773	108	3	of	of	ADP
expositions-1773	108	4	th	th	PRON
expositions-1773	108	5	as	as	SCONJ
expositions-1773	108	6	allowed	allow	VERB
expositions-1773	108	7	u	u	PRON
expositions-1773	108	8	bilities	bilitie	NOUN
expositions-1773	108	9	of	of	ADP
expositions-1773	108	10	th	th	X
expositions-1773	108	11	toth	toth	PROPN
expositions-1773	108	12	and	and	CCONJ
expositions-1773	108	13	ka	ka	PROPN
expositions-1773	108	14	ge	ge	PROPN
expositions-1773	108	15	institute	institute	PROPN
expositions-1773	108	16	makers	maker	NOUN
expositions-1773	108	17	and	and	CCONJ
expositions-1773	108	18	u	u	PRON
expositions-1773	108	19	an	an	DET
expositions-1773	108	20	acheulea	acheulea	ADV
expositions-1773	108	21	5	5	NUM
expositions-1773	108	22	and	and	CCONJ
expositions-1773	108	23	half	half	DET
expositions-1773	108	24	a	a	DET
expositions-1773	108	25	mans	man	NOUN
expositions-1773	108	26	to	to	PART
expositions-1773	108	27	star	star	VERB
expositions-1773	108	28	y.	y.	PROPN
expositions-1773	108	29	stone	stone	PROPN
expositions-1773	108	30	tool	tool	PROPN
expositions-1773	108	31	es	es	X
expositions-1773	108	32	who	who	PRON
expositions-1773	108	33	were	be	AUX
expositions-1773	108	34	oncentrated	oncentrate	VERB
expositions-1773	108	35	by	by	ADP
expositions-1773	108	36	e	e	NOUN
expositions-1773	108	37	part	part	NOUN
expositions-1773	108	38	of	of	ADP
expositions-1773	108	39	the	the	DET
expositions-1773	108	40	works	work	NOUN
expositions-1773	108	41	of	of	ADP
expositions-1773	108	42	art	art	NOUN
expositions-1773	108	43	ing	ing	ADJ
expositions-1773	108	44	abilities	ability	NOUN
expositions-1773	108	45	his	his	PRON
expositions-1773	108	46	possible	possible	ADJ
expositions-1773	108	47	s	s	PART
expositions-1773	108	48	humans	human	NOUN
expositions-1773	108	49	,	,	PUNCT
expositions-1773	108	50	w	w	NOUN
expositions-1773	108	51	e	e	NOUN
expositions-1773	108	52	animals	animal	NOUN
expositions-1773	108	53	w	w	PROPN
expositions-1773	108	54	athy	athy	PROPN
expositions-1773	108	55	shick	shick	PROPN
expositions-1773	108	56	,	,	PUNCT
expositions-1773	108	57	p	p	NOUN
expositions-1773	108	58	at	at	ADP
expositions-1773	108	59	indiana	indiana	PROPN
expositions-1773	108	60	users	user	NOUN
expositions-1773	108	61	of	of	ADP
expositions-1773	108	62	ston	ston	PROPN
expositions-1773	108	63	an	an	DET
expositions-1773	108	64	hand	hand	NOUN
expositions-1773	108	65	axe	axe	NOUN
expositions-1773	108	66	a	a	DET
expositions-1773	108	67	million	million	NUM
expositions-1773	108	68	yea	yea	NOUN
expositions-1773	108	69	rt	rt	PROPN
expositions-1773	108	70	eating	eat	VERB
expositions-1773	108	71	ene	ene	PROPN
expositions-1773	108	72	ls	ls	PROPN
expositions-1773	108	73	gave	give	VERB
expositions-1773	108	74	us	we	PRON
expositions-1773	108	75	th	th	ADV
expositions-1773	108	76	interested	interested	ADJ
expositions-1773	108	77	in	in	ADP
expositions-1773	108	78	y	y	PROPN
expositions-1773	108	79	earth	earth	NOUN
expositions-1773	108	80	!	!	PUNCT
expositions-1773	109	1	tool	tool	NOUN
expositions-1773	109	2	makers	maker	NOUN
expositions-1773	109	3	t	t	PROPN
expositions-1773	109	4	as	as	ADV
expositions-1773	109	5	well	well	ADV
expositions-1773	109	6	as	as	ADP
expositions-1773	109	7	p	p	PRON
expositions-1773	109	8	increased	increase	VERB
expositions-1773	109	9	to	to	ADP
expositions-1773	109	10	is	be	AUX
expositions-1773	109	11	that	that	SCONJ
expositions-1773	109	12	some	some	PRON
expositions-1773	109	13	with	with	ADP
expositions-1773	109	14	our	our	PRON
expositions-1773	109	15	blun	blun	NOUN
expositions-1773	109	16	ith	ith	ADP
expositions-1773	109	17	the	the	DET
expositions-1773	109	18	sharp	sharp	ADJ
expositions-1773	109	19	paleoanthrop	paleoanthrop	PROPN
expositions-1773	109	20	university	university	NOUN
expositions-1773	109	21	,	,	PUNCT
expositions-1773	109	22	ne	ne	NOUN
expositions-1773	109	23	tools	tool	NOUN
expositions-1773	109	24	,	,	PUNCT
expositions-1773	109	25	and	and	CCONJ
expositions-1773	109	26	e	e	NOUN
expositions-1773	109	27	,	,	PUNCT
expositions-1773	109	28	for	for	ADP
expositions-1773	109	29	examp	examp	PROPN
expositions-1773	109	30	ars	ar	NOUN
expositions-1773	109	31	ago	ago	ADV
expositions-1773	109	32	.	.	PUNCT
expositions-1773	110	1	the	the	DET
expositions-1773	110	2	ergy	ergy	NOUN
expositions-1773	110	3	-	-	PUNCT
expositions-1773	110	4	rich	rich	ADJ
expositions-1773	110	5	me	i	PRON
expositions-1773	110	6	he	he	PRON
expositions-1773	110	7	ability	ability	NOUN
expositions-1773	110	8	to	to	ADP
expositions-1773	110	9	n	n	NOUN
expositions-1773	110	10	eating	eat	VERB
expositions-1773	110	11	us	we	PRON
expositions-1773	110	12	.	.	PUNCT
expositions-1773	111	1	s	s	X
expositions-1773	111	2	,	,	PUNCT
expositions-1773	111	3	with	with	ADP
expositions-1773	111	4	some	some	DET
expositions-1773	111	5	practical	practical	ADJ
expositions-1773	111	6	obj	obj	PROPN
expositions-1773	111	7	ogether	ogether	NOUN
expositions-1773	111	8	in	in	ADP
expositions-1773	111	9	a	a	DET
expositions-1773	111	10	    	    	SPACE
expositions-1773	111	11	an	an	DET
expositions-1773	111	12	a	a	PRON
expositions-1773	111	13	origi	origi	ADJ
expositions-1773	111	14	(	(	PUNCT
expositions-1773	111	15	imag	imag	PROPN
expositions-1773	111	16	http:/	http:/	PROPN
expositions-1773	111	17	silex	silex	PROPN
expositions-1773	111	18	.	.	PUNCT
expositions-1773	111	19	      	      	SPACE
expositions-1773	111	20	e	e	PROPN
expositions-1773	111	21	rocks	rock	NOUN
expositions-1773	111	22	,	,	PUNCT
expositions-1773	111	23	whe	whe	NOUN
expositions-1773	111	24	nt	not	PART
expositions-1773	111	25	teeth	tooth	NOUN
expositions-1773	111	26	and	and	CCONJ
expositions-1773	111	27	pest	pest	VERB
expositions-1773	111	28	teeth	tooth	NOUN
expositions-1773	111	29	and	and	CCONJ
expositions-1773	111	30	pologists	pologist	NOUN
expositions-1773	111	31	wh	wh	VERB
expositions-1773	111	32	are	be	AUX
expositions-1773	111	33	among	among	ADP
expositions-1773	111	34	d	d	PROPN
expositions-1773	111	35	it	it	PRON
expositions-1773	111	36	is	be	AUX
expositions-1773	111	37	a	a	DET
expositions-1773	111	38	rema	rema	NOUN
expositions-1773	111	39	ple	ple	NOUN
expositions-1773	111	40	—	—	PUNCT
expositions-1773	111	41	the	the	DET
expositions-1773	111	42	ma	ma	PROPN
expositions-1773	111	43	ey	ey	INTJ
expositions-1773	111	44	point	point	NOUN
expositions-1773	111	45	out	out	ADP
expositions-1773	111	46	eat	eat	NOUN
expositions-1773	111	47	when	when	SCONJ
expositions-1773	111	48	we	we	PRON
expositions-1773	111	49	hunt	hunt	VERB
expositions-1773	111	50	anima	anima	PROPN
expositions-1773	111	51	e	e	PROPN
expositions-1773	111	52	tools	tool	NOUN
expositions-1773	111	53	so	so	ADV
expositions-1773	111	54	sk	sk	NOUN
expositions-1773	111	55	jects	ject	NOUN
expositions-1773	111	56	.	.	PUNCT
expositions-1773	112	1	it	it	PRON
expositions-1773	112	2	seem	seem	VERB
expositions-1773	112	3	a	a	DET
expositions-1773	112	4	kind	kind	NOUN
expositions-1773	112	5	of	of	ADP
expositions-1773	112	6	fee	fee	NOUN
expositions-1773	112	7	acheulean	acheulean	PROPN
expositions-1773	112	8	han	han	PROPN
expositions-1773	112	9	inal	inal	PROPN
expositions-1773	112	10	locality	locality	PROPN
expositions-1773	112	11	of	of	ADP
expositions-1773	112	12	ge	ge	PROPN
expositions-1773	112	13	from	from	ADP
expositions-1773	112	14	wikim	wikim	PROPN
expositions-1773	112	15	//commons.w	//commons.w	PUNCT
expositions-1773	112	16	.png	.png	PUNCT
expositions-1773	112	17	)	)	PUNCT
expositions-1773	113	1	en	en	ADP
expositions-1773	113	2	broken	break	VERB
expositions-1773	113	3	,	,	PUNCT
expositions-1773	113	4	g	g	PROPN
expositions-1773	113	5	soft	soft	ADJ
expositions-1773	113	6	fingerna	fingerna	ADJ
expositions-1773	113	7	d	d	NOUN
expositions-1773	113	8	claws	claws	NOUN
expositions-1773	113	9	.	.	PUNCT
expositions-1773	114	1	ho	ho	PROPN
expositions-1773	114	2	study	study	PROPN
expositions-1773	114	3	ston	ston	PROPN
expositions-1773	114	4	the	the	DET
expositions-1773	114	5	pioneer	pioneer	NOUN
expositions-1773	114	6	arkable	arkable	ADJ
expositions-1773	114	7	expe	expe	ADJ
expositions-1773	114	8	ain	ain	NOUN
expositions-1773	114	9	tool	tool	NOUN
expositions-1773	114	10	used	use	VERB
expositions-1773	114	11	t	t	PROPN
expositions-1773	114	12	that	that	DET
expositions-1773	114	13	stone	stone	NOUN
expositions-1773	114	14	did	do	AUX
expositions-1773	114	15	not	not	PART
expositions-1773	114	16	hav	hav	AUX
expositions-1773	114	17	als	als	VERB
expositions-1773	114	18	larger	large	ADJ
expositions-1773	115	1	tha	tha	NOUN
expositions-1773	116	1	killfully	killfully	ADV
expositions-1773	116	2	and	and	CCONJ
expositions-1773	116	3	ms	ms	PROPN
expositions-1773	116	4	very	very	ADV
expositions-1773	116	5	prob	prob	ADJ
expositions-1773	116	6	edback	edback	PROPN
expositions-1773	116	7	loop	loop	NOUN
expositions-1773	116	8	nd	nd	NOUN
expositions-1773	116	9	axe	axe	NOUN
expositions-1773	116	10	made	make	VERB
expositions-1773	116	11	o	o	PROPN
expositions-1773	116	12	of	of	ADP
expositions-1773	116	13	saint	saint	NOUN
expositions-1773	116	14	-	-	PUNCT
expositions-1773	116	15	acheu	acheu	NOUN
expositions-1773	116	16	media	medium	NOUN
expositions-1773	116	17	comm	comm	NOUN
expositions-1773	116	18	wikimedia.org/	wikimedia.org/	PRON
expositions-1773	116	19	give	give	VERB
expositions-1773	116	20	very	very	ADV
expositions-1773	116	21	ha	ha	NOUN
expositions-1773	116	22	ails	ail	NOUN
expositions-1773	116	23	,	,	PUNCT
expositions-1773	116	24	to	to	ADP
expositions-1773	116	25	matc	matc	PROPN
expositions-1773	116	26	ne	ne	PROPN
expositions-1773	116	27	tools	tool	NOUN
expositions-1773	116	28	and	and	CCONJ
expositions-1773	116	29	rs	r	NOUN
expositions-1773	116	30	of	of	ADP
expositions-1773	116	31	big	big	ADJ
expositions-1773	116	32	hi	hi	INTJ
expositions-1773	116	33	erience	erience	NOUN
expositions-1773	116	34	to	to	ADP
expositions-1773	116	35	w	w	PROPN
expositions-1773	116	36	d	d	NOUN
expositions-1773	116	37	by	by	ADP
expositions-1773	116	38	homo	homo	NOUN
expositions-1773	116	39	tools	tool	NOUN
expositions-1773	116	40	allowe	allowe	VERB
expositions-1773	116	41	ve	ve	VERB
expositions-1773	116	42	the	the	DET
expositions-1773	116	43	teeth	tooth	NOUN
expositions-1773	117	1	an	an	PRON
expositions-1773	117	2	we	we	PRON
expositions-1773	117	3	are	be	AUX
expositions-1773	117	4	,	,	PUNCT
expositions-1773	117	5	a	a	DET
expositions-1773	117	6	beautifully	beautifully	ADV
expositions-1773	117	7	m	m	AUX
expositions-1773	117	8	bable	bable	ADJ
expositions-1773	117	9	that	that	SCONJ
expositions-1773	117	10	hu	hu	PROPN
expositions-1773	117	11	over	over	ADP
expositions-1773	117	12	the	the	DET
expositions-1773	117	13	las	las	NOUN
expositions-1773	117	14	of	of	ADP
expositions-1773	117	15	flint	flint	NOUN
expositions-1773	117	16	,	,	PUNCT
expositions-1773	117	17	from	from	ADP
expositions-1773	117	18	ul	ul	INTJ
expositions-1773	117	19	,	,	PUNCT
expositions-1773	117	20	in	in	ADP
expositions-1773	117	21	france	france	PROPN
expositions-1773	117	22	.	.	PUNCT
expositions-1773	118	1	mons	mon	NOUN
expositions-1773	118	2	:	:	PUNCT
expositions-1773	118	3	g	g	NOUN
expositions-1773	118	4	/	/	SYM
expositions-1773	118	5	wiki	wiki	NOUN
expositions-1773	118	6	/	/	SYM
expositions-1773	118	7	file	file	NOUN
expositions-1773	118	8	:	:	PUNCT
expositions-1773	118	9	bif	bif	PROPN
expositions-1773	118	10	ard	ard	PROPN
expositions-1773	118	11	,	,	PUNCT
expositions-1773	118	12	sharp	sharp	ADJ
expositions-1773	118	13	e	e	NOUN
expositions-1773	118	14	ch	ch	NOUN
expositions-1773	118	15	and	and	CCONJ
expositions-1773	118	16	excee	excee	NOUN
expositions-1773	118	17	who	who	PRON
expositions-1773	118	18	founde	founde	VERB
expositions-1773	118	19	istory.5	istory.5	PROPN
expositions-1773	118	20	they	they	PRON
expositions-1773	118	21	watch	watch	VERB
expositions-1773	118	22	one	one	NUM
expositions-1773	118	23	of	of	ADP
expositions-1773	118	24	erectus	erectus	NOUN
expositions-1773	118	25	,	,	PUNCT
expositions-1773	118	26	bet	bet	NOUN
expositions-1773	118	27	ed	ed	NOUN
expositions-1773	118	28	the	the	DET
expositions-1773	118	29	veget	veget	NOUN
expositions-1773	118	30	or	or	CCONJ
expositions-1773	118	31	claws	claws	NOUN
expositions-1773	118	32	to	to	PART
expositions-1773	118	33	and	and	CCONJ
expositions-1773	118	34	to	to	PART
expositions-1773	118	35	keep	keep	VERB
expositions-1773	118	36	76	76	NUM
expositions-1773	118	37	  	  	SPACE
expositions-1773	118	38	made	make	VERB
expositions-1773	118	39	uman	uman	NOUN
expositions-1773	118	40	st	st	PROPN
expositions-1773	118	41	2.5	2.5	NUM
expositions-1773	118	42	the	the	PRON
expositions-1773	118	43	.	.	PUNCT
expositions-1773	119	1	face	face	NOUN
expositions-1773	119	2	_	_	PRON
expositions-1773	119	3	edges	edge	NOUN
expositions-1773	119	4	,	,	PUNCT
expositions-1773	119	5	ed	ed	NOUN
expositions-1773	119	6	the	the	DET
expositions-1773	119	7	ed	ed	NOUN
expositions-1773	119	8	the	the	DET
expositions-1773	119	9	y	y	PROPN
expositions-1773	119	10	are	be	AUX
expositions-1773	119	11	them	they	PRON
expositions-1773	119	12	tween	tween	NOUN
expositions-1773	119	13	tarian	tarian	NOUN
expositions-1773	119	14	do	do	VERB
expositions-1773	119	15	it	it	PRON
expositions-1773	119	16	away	away	ADV
expositions-1773	119	17	77	77	NUM
expositions-1773	119	18	  	  	SPACE
expositions-1773	119	19	nick	nick	PROPN
expositions-1773	119	20	t	t	PROPN
expositions-1773	119	21	  	  	SPACE
expositions-1773	119	22	most	most	ADJ
expositions-1773	119	23	roc	roc	PROPN
expositions-1773	119	24	never	never	ADV
expositions-1773	119	25	ma	ma	PROPN
expositions-1773	119	26	materials	material	NOUN
expositions-1773	119	27	chert	chert	NOUN
expositions-1773	119	28	,	,	PUNCT
expositions-1773	119	29	or	or	CCONJ
expositions-1773	119	30	perfectly	perfectly	ADV
expositions-1773	119	31	special	special	ADJ
expositions-1773	119	32	c	c	PROPN
expositions-1773	119	33	sio2	sio2	PROPN
expositions-1773	119	34	in	in	ADP
expositions-1773	119	35	c	c	PROPN
expositions-1773	119	36	chert	chert	NOUN
expositions-1773	119	37	origin	origin	NOUN
expositions-1773	119	38	.	.	PUNCT
expositions-1773	120	1	l	l	NOUN
expositions-1773	120	2	quartz	quartz	NOUN
expositions-1773	120	3	(	(	PUNCT
expositions-1773	120	4	s	s	NOUN
expositions-1773	120	5	gypsum	gypsum	NOUN
expositions-1773	120	6	,	,	PUNCT
expositions-1773	120	7	make	make	VERB
expositions-1773	120	8	bet	bet	NOUN
expositions-1773	120	9	most	most	ADJ
expositions-1773	120	10	few	few	ADJ
expositions-1773	120	11	extr	extr	NOUN
expositions-1773	120	12	freshly	freshly	ADV
expositions-1773	120	13	d	d	ADP
expositions-1773	120	14	pore	pore	ADJ
expositions-1773	120	15	wat	wat	NOUN
expositions-1773	120	16	or	or	CCONJ
expositions-1773	120	17	nodule	nodule	PROPN
expositions-1773	120	18	toth	toth	PROPN
expositions-1773	120	19	consider	consider	VERB
expositions-1773	120	20	cks	ck	NOUN
expositions-1773	120	21	do	do	AUX
expositions-1773	120	22	not	not	PART
expositions-1773	120	23	b	b	NOUN
expositions-1773	120	24	ake	ake	VERB
expositions-1773	120	25	a	a	DET
expositions-1773	120	26	useful	useful	ADJ
expositions-1773	120	27	s	s	NOUN
expositions-1773	120	28	for	for	ADP
expositions-1773	120	29	tool	tool	NOUN
expositions-1773	120	30	ma	ma	PROPN
expositions-1773	120	31	flint	flint	PROPN
expositions-1773	120	32	.	.	PUNCT
expositions-1773	121	1	obsidi	obsidi	AUX
expositions-1773	121	2	y	y	PROPN
expositions-1773	121	3	pure	pure	PROPN
expositions-1773	121	4	sio2	sio2	PROPN
expositions-1773	121	5	composition	composition	NOUN
expositions-1773	121	6	?	?	PUNCT
expositions-1773	122	1	chert	chert	NOUN
expositions-1773	122	2	?	?	PUNCT
expositions-1773	123	1	commonly	commonly	ADV
expositions-1773	123	2	limestone	limestone	NOUN
expositions-1773	123	3	is	be	AUX
expositions-1773	123	4	sio2	sio2	PROPN
expositions-1773	123	5	)	)	PUNCT
expositions-1773	123	6	.	.	PUNCT
expositions-1773	124	1	it	it	PRON
expositions-1773	124	2	is	be	AUX
expositions-1773	124	3	c	c	NOUN
expositions-1773	124	4	calcite	calcite	NOUN
expositions-1773	124	5	,	,	PUNCT
expositions-1773	124	6	fluo	fluo	PROPN
expositions-1773	124	7	tter	tter	NOUN
expositions-1773	124	8	tools	tool	NOUN
expositions-1773	124	9	tha	tha	X
expositions-1773	124	10	marine	marine	PROPN
expositions-1773	124	11	orga	orga	PROPN
expositions-1773	124	12	ract	ract	PROPN
expositions-1773	124	13	sio2	sio2	PROPN
expositions-1773	124	14	—	—	PUNCT
expositions-1773	124	15	s	s	PART
expositions-1773	124	16	deposited	deposit	VERB
expositions-1773	124	17	lim	lim	PROPN
expositions-1773	124	18	er	er	INTJ
expositions-1773	124	19	and	and	CCONJ
expositions-1773	124	20	then	then	ADV
expositions-1773	124	21	c	c	PROPN
expositions-1773	124	22	es	es	PROPN
expositions-1773	124	23	of	of	ADP
expositions-1773	124	24	chert	chert	NOUN
expositions-1773	124	25	,	,	PUNCT
expositions-1773	124	26	w	w	NOUN
expositions-1773	124	27	rs	rs	NOUN
expositions-1773	124	28	where	where	SCONJ
expositions-1773	124	29	to	to	PART
expositions-1773	124	30	st	st	PROPN
expositions-1773	124	31	break	break	VERB
expositions-1773	124	32	with	with	ADP
expositions-1773	124	33	sh	sh	PROPN
expositions-1773	124	34	tool	tool	NOUN
expositions-1773	124	35	from	from	ADP
expositions-1773	124	36	sa	sa	NOUN
expositions-1773	124	37	aking	ake	VERB
expositions-1773	124	38	are	be	AUX
expositions-1773	124	39	the	the	DET
expositions-1773	124	40	ian	ian	PROPN
expositions-1773	124	41	is	be	AUX
expositions-1773	124	42	rich	rich	ADJ
expositions-1773	124	43	in	in	ADV
expositions-1773	124	44	and	and	CCONJ
expositions-1773	124	45	is	be	AUX
expositions-1773	124	46	not	not	PART
expositions-1773	124	47	s	s	PRON
expositions-1773	124	48	?	?	PUNCT
expositions-1773	125	1	or	or	CCONJ
expositions-1773	125	2	—	—	PUNCT
expositions-1773	125	3	to	to	ADP
expositions-1773	125	4	pic	pic	NOUN
expositions-1773	125	5	occurs	occur	VERB
expositions-1773	125	6	as	as	SCONJ
expositions-1773	125	7	n	n	NUM
expositions-1773	125	8	made	make	VERB
expositions-1773	125	9	of	of	ADP
expositions-1773	125	10	the	the	DET
expositions-1773	125	11	lear	lear	NOUN
expositions-1773	125	12	from	from	ADP
expositions-1773	125	13	th	th	PROPN
expositions-1773	125	14	orite	orite	PROPN
expositions-1773	125	15	,	,	PUNCT
expositions-1773	125	16	apatite	apatite	NOUN
expositions-1773	125	17	an	an	DET
expositions-1773	125	18	limestone	limestone	NOUN
expositions-1773	125	19	.	.	PUNCT
expositions-1773	126	1	anisms	anism	NOUN
expositions-1773	126	2	make	make	VERB
expositions-1773	126	3	sponges	sponge	NOUN
expositions-1773	126	4	and	and	CCONJ
expositions-1773	126	5	mestone	mestone	NOUN
expositions-1773	126	6	conta	conta	PROPN
expositions-1773	126	7	concentrated	concentrate	VERB
expositions-1773	126	8	which	which	PRON
expositions-1773	126	9	were	be	AUX
expositions-1773	126	10	g	g	PROPN
expositions-1773	126	11	trike	trike	NOUN
expositions-1773	126	12	off	off	ADP
expositions-1773	126	13	the	the	DET
expositions-1773	126	14	ne	ne	PROPN
expositions-1773	126	15	harp	harp	PROPN
expositions-1773	126	16	edges	edge	NOUN
expositions-1773	126	17	,	,	PUNCT
expositions-1773	126	18	andstone	andstone	ADJ
expositions-1773	126	19	,	,	PUNCT
expositions-1773	126	20	lim	lim	PROPN
expositions-1773	126	21	e	e	PROPN
expositions-1773	126	22	volcanic	volcanic	PROPN
expositions-1773	126	23	gl	gl	PROPN
expositions-1773	126	24	n	n	PRON
expositions-1773	126	25	sio2	sio2	PROPN
expositions-1773	126	26	,	,	PUNCT
expositions-1773	126	27	but	but	CCONJ
expositions-1773	126	28	is	be	AUX
expositions-1773	126	29	so	so	ADV
expositions-1773	126	30	rare	rare	ADJ
expositions-1773	126	31	.	.	PUNCT
expositions-1773	127	1	wha	wha	INTJ
expositions-1773	127	2	ck	ck	INTJ
expositions-1773	127	3	up	up	ADP
expositions-1773	127	4	the	the	DET
expositions-1773	127	5	th	th	X
expositions-1773	127	6	nodules	nodule	NOUN
expositions-1773	127	7	in	in	ADP
expositions-1773	127	8	li	li	PROPN
expositions-1773	127	9	e	e	PROPN
expositions-1773	127	10	mineral	mineral	NOUN
expositions-1773	127	11	ca	can	AUX
expositions-1773	127	12	he	he	PRON
expositions-1773	127	13	mineral	mineral	VERB
expositions-1773	127	14	ha	ha	INTJ
expositions-1773	127	15	e	e	NOUN
expositions-1773	127	16	,	,	PUNCT
expositions-1773	127	17	orthoclase	orthoclase	NOUN
expositions-1773	127	18	.	.	PUNCT
expositions-1773	128	1	e	e	X
expositions-1773	128	2	their	their	PRON
expositions-1773	128	3	shells	shell	NOUN
expositions-1773	128	4	d	d	X
expositions-1773	128	5	the	the	DET
expositions-1773	128	6	single	single	ADJ
expositions-1773	128	7	ains	ain	VERB
expositions-1773	128	8	a	a	DET
expositions-1773	128	9	small	small	ADJ
expositions-1773	128	10	d	d	NOUN
expositions-1773	128	11	and	and	CCONJ
expositions-1773	128	12	precipi	precipi	NOUN
expositions-1773	128	13	greatly	greatly	ADV
expositions-1773	128	14	prize	prize	NOUN
expositions-1773	128	15	  	  	SPACE
expositions-1773	128	16	ext	ext	NOUN
expositions-1773	128	17	flake	flake	NOUN
expositions-1773	128	18	whil	whil	NOUN
expositions-1773	128	19	or	or	CCONJ
expositions-1773	128	20	are	be	AUX
expositions-1773	128	21	too	too	ADV
expositions-1773	128	22	s	s	PART
expositions-1773	128	23	mestone	mestone	NOUN
expositions-1773	128	24	,	,	PUNCT
expositions-1773	128	25	gra	gra	PROPN
expositions-1773	128	26	lass	lass	PROPN
expositions-1773	128	27	called	call	VERB
expositions-1773	128	28	o	o	NOUN
expositions-1773	128	29	s	s	VERB
expositions-1773	128	30	rare	rare	ADJ
expositions-1773	128	31	,	,	PUNCT
expositions-1773	128	32	so	so	ADV
expositions-1773	128	33	let	let	VERB
expositions-1773	128	34	at	at	ADP
expositions-1773	128	35	is	be	AUX
expositions-1773	128	36	chert	chert	NOUN
expositions-1773	128	37	,	,	PUNCT
expositions-1773	128	38	a	a	DET
expositions-1773	128	39	heme	heme	NOUN
expositions-1773	128	40	of	of	ADP
expositions-1773	128	41	this	this	DET
expositions-1773	128	42	imestone	imestone	NOUN
expositions-1773	128	43	.	.	PUNCT
expositions-1773	129	1	b	b	X
expositions-1773	129	2	alcite	alcite	PROPN
expositions-1773	129	3	(	(	PUNCT
expositions-1773	129	4	caco	caco	PROPN
expositions-1773	129	5	ardness	ardness	PROPN
expositions-1773	129	6	scal	scal	NOUN
expositions-1773	129	7	,	,	PUNCT
expositions-1773	129	8	quartz	quartz	NOUN
expositions-1773	129	9	,	,	PUNCT
expositions-1773	129	10	top	top	NOUN
expositions-1773	129	11	s	s	PROPN
expositions-1773	129	12	from	from	ADP
expositions-1773	129	13	caco	caco	PROPN
expositions-1773	129	14	e	e	PROPN
expositions-1773	129	15	-	-	ADJ
expositions-1773	129	16	celled	celle	VERB
expositions-1773	129	17	radi	radi	NOUN
expositions-1773	129	18	amount	amount	NOUN
expositions-1773	129	19	of	of	ADP
expositions-1773	129	20	d	d	NOUN
expositions-1773	129	21	itated	itate	VERB
expositions-1773	129	22	in	in	ADP
expositions-1773	129	23	che	che	PROPN
expositions-1773	129	24	ed	ed	PROPN
expositions-1773	129	25	by	by	ADP
expositions-1773	129	26	our	our	PRON
expositions-1773	129	27	anc	anc	PROPN
expositions-1773	129	28	le	le	ADP
expositions-1773	129	29	making	make	VERB
expositions-1773	129	30	a	a	DET
expositions-1773	129	31	h	h	NOUN
expositions-1773	129	32	soft	soft	ADJ
expositions-1773	129	33	to	to	PART
expositions-1773	129	34	hold	hold	VERB
expositions-1773	129	35	anite	anite	ADJ
expositions-1773	129	36	,	,	PUNCT
expositions-1773	129	37	gypsum	gypsum	NOUN
expositions-1773	129	38	obsidian	obsidian	NOUN
expositions-1773	129	39	,	,	PUNCT
expositions-1773	129	40	and	and	CCONJ
expositions-1773	129	41	t	t	VERB
expositions-1773	129	42	us	we	PRON
expositions-1773	129	43	concentr	concentr	NOUN
expositions-1773	129	44	and	and	CCONJ
expositions-1773	129	45	how	how	SCONJ
expositions-1773	129	46	do	do	AUX
expositions-1773	129	47	s	s	VERB
expositions-1773	129	48	essay	essay	VERB
expositions-1773	129	49	—	—	PUNCT
expositions-1773	129	50	ho	ho	PROPN
expositions-1773	129	51	oth	oth	PROPN
expositions-1773	129	52	are	be	AUX
expositions-1773	129	53	sedi	sedi	PROPN
expositions-1773	129	54	o3	o3	PROPN
expositions-1773	129	55	)	)	PUNCT
expositions-1773	129	56	,	,	PUNCT
expositions-1773	129	57	while	while	SCONJ
expositions-1773	129	58	ch	ch	PROPN
expositions-1773	129	59	le	le	PROPN
expositions-1773	129	60	,	,	PUNCT
expositions-1773	129	61	arranged	arrange	VERB
expositions-1773	129	62	paz	paz	NOUN
expositions-1773	129	63	,	,	PUNCT
expositions-1773	129	64	corundu	corundu	PROPN
expositions-1773	129	65	o3	o3	PROPN
expositions-1773	129	66	extracted	extract	VERB
expositions-1773	129	67	iolarians	iolarian	NOUN
expositions-1773	129	68	are	be	AUX
expositions-1773	129	69	dispersed	disperse	VERB
expositions-1773	129	70	sio	sio	PROPN
expositions-1773	129	71	emically	emically	ADV
expositions-1773	129	72	favo	favo	PROPN
expositions-1773	129	73	cestors	cestor	NOUN
expositions-1773	129	74	who	who	PRON
expositions-1773	129	75	and	and	CCONJ
expositions-1773	129	76	axe	axe	NOUN
expositions-1773	129	77	.	.	PUNCT
expositions-1773	130	1	(	(	PUNCT
expositions-1773	130	2	pho	pho	VERB
expositions-1773	130	3	a	a	DET
expositions-1773	130	4	cutting	cutting	NOUN
expositions-1773	130	5	ed	ed	NOUN
expositions-1773	130	6	m	m	NOUN
expositions-1773	130	7	,	,	PUNCT
expositions-1773	130	8	or	or	CCONJ
expositions-1773	130	9	rock	rock	NOUN
expositions-1773	130	10	s	s	PROPN
expositions-1773	131	1	d	d	NOUN
expositions-1773	131	2	the	the	DET
expositions-1773	131	3	sedime	sedime	NOUN
expositions-1773	131	4	rate	rate	NOUN
expositions-1773	131	5	on	on	ADP
expositions-1773	131	6	chert	chert	NOUN
expositions-1773	131	7	es	es	X
expositions-1773	131	8	it	it	PRON
expositions-1773	131	9	come	come	VERB
expositions-1773	131	10	t	t	PROPN
expositions-1773	132	1	ow	ow	INTJ
expositions-1773	132	2	did	do	AUX
expositions-1773	132	3	earth	earth	PROPN
expositions-1773	132	4	imentary	imentary	PROPN
expositions-1773	132	5	roc	roc	PROPN
expositions-1773	132	6	hert	hert	PROPN
expositions-1773	132	7	is	be	AUX
expositions-1773	132	8	extrem	extrem	PROPN
expositions-1773	132	9	from	from	ADP
expositions-1773	132	10	softest	soft	ADJ
expositions-1773	132	11	um	um	INTJ
expositions-1773	132	12	,	,	PUNCT
expositions-1773	132	13	diamond	diamond	PROPN
expositions-1773	132	14	d	d	PROPN
expositions-1773	132	15	from	from	ADP
expositions-1773	132	16	seaw	seaw	NOUN
expositions-1773	132	17	e	e	PROPN
expositions-1773	132	18	the	the	DET
expositions-1773	132	19	most	most	ADV
expositions-1773	132	20	o2	o2	ADJ
expositions-1773	132	21	,	,	PUNCT
expositions-1773	132	22	but	but	CCONJ
expositions-1773	132	23	it	it	PRON
expositions-1773	132	24	can	can	AUX
expositions-1773	132	25	orable	orable	ADJ
expositions-1773	132	26	levels	level	NOUN
expositions-1773	132	27	made	make	VERB
expositions-1773	132	28	stone	stone	NOUN
expositions-1773	132	29	al	al	PROPN
expositions-1773	132	30	oto	oto	PROPN
expositions-1773	132	31	by	by	ADP
expositions-1773	132	32	the	the	DET
expositions-1773	132	33	aut	aut	PROPN
expositions-1773	132	34	dge	dge	NOUN
expositions-1773	132	35	,	,	PUNCT
expositions-1773	132	36	so	so	ADV
expositions-1773	132	37	one	one	NUM
expositions-1773	132	38	c	c	NOUN
expositions-1773	132	39	salt	salt	NOUN
expositions-1773	132	40	.	.	PUNCT
expositions-1773	133	1	the	the	DET
expositions-1773	133	2	two	two	NUM
expositions-1773	133	3	entary	entary	ADJ
expositions-1773	133	4	rock	rock	NOUN
expositions-1773	133	5	c	c	PROPN
expositions-1773	133	6	t	t	PROPN
expositions-1773	133	7	,	,	PUNCT
expositions-1773	133	8	which	which	PRON
expositions-1773	133	9	is	be	AUX
expositions-1773	133	10	al	al	PROPN
expositions-1773	133	11	to	to	PART
expositions-1773	133	12	have	have	VERB
expositions-1773	133	13	this	this	DET
expositions-1773	133	14	h	h	NOUN
expositions-1773	133	15	concentrat	concentrat	NOUN
expositions-1773	133	16	cks	ck	NOUN
expositions-1773	133	17	of	of	ADP
expositions-1773	133	18	biolo	biolo	ADJ
expositions-1773	133	19	mely	mely	ADV
expositions-1773	133	20	fine	fine	ADJ
expositions-1773	133	21	-	-	PUNCT
expositions-1773	133	22	gr	gr	X
expositions-1773	133	23	t	t	NOUN
expositions-1773	133	24	to	to	PART
expositions-1773	133	25	hardest	hardest	VERB
expositions-1773	133	26	d	d	NOUN
expositions-1773	133	27	)	)	PUNCT
expositions-1773	133	28	,	,	PUNCT
expositions-1773	133	29	that	that	SCONJ
expositions-1773	133	30	cher	cher	PROPN
expositions-1773	133	31	water	water	NOUN
expositions-1773	133	32	,	,	PUNCT
expositions-1773	133	33	while	while	SCONJ
expositions-1773	133	34	j	j	PROPN
expositions-1773	133	35	important	important	ADJ
expositions-1773	133	36	.	.	PUNCT
expositions-1773	134	1	n	n	PRON
expositions-1773	134	2	be	be	AUX
expositions-1773	134	3	dissolve	dissolve	VERB
expositions-1773	134	4	s	s	NOUN
expositions-1773	134	5	,	,	PUNCT
expositions-1773	134	6	producing	produce	VERB
expositions-1773	134	7	tools	tool	NOUN
expositions-1773	134	8	.	.	PUNCT
expositions-1773	135	1	lvarez	lvarez	PROPN
expositions-1773	135	2	thor	thor	PROPN
expositions-1773	135	3	.	.	PUNCT
expositions-1773	135	4	)	)	PUNCT
expositions-1773	136	1	could	could	AUX
expositions-1773	136	2	o	o	AUX
expositions-1773	136	3	best	well	ADV
expositions-1773	136	4	called	call	VERB
expositions-1773	136	5	lmost	lmost	PRON
expositions-1773	136	6	very	very	ADV
expositions-1773	136	7	te	te	ADP
expositions-1773	136	8	the	the	DET
expositions-1773	136	9	ogical	ogical	ADJ
expositions-1773	136	10	ained	aine	VERB
expositions-1773	136	11	(	(	PUNCT
expositions-1773	136	12	talc	talc	NOUN
expositions-1773	136	13	,	,	PUNCT
expositions-1773	136	14	rt	rt	PROPN
expositions-1773	136	15	will	will	AUX
expositions-1773	136	16	just	just	ADV
expositions-1773	136	17	a	a	DET
expositions-1773	136	18	most	most	ADJ
expositions-1773	136	19	ed	ed	NOUN
expositions-1773	136	20	by	by	ADP
expositions-1773	136	21	g	g	PROPN
expositions-1773	136	22	beds	bed	NOUN
expositions-1773	136	23	we	we	PRON
expositions-1773	136	24	are	be	AUX
expositions-1773	136	25	stardust	stardust	PROPN
expositions-1773	136	26	…	…	PUNCT
expositions-1773	136	27	concentrated	concentrate	VERB
expositions-1773	136	28	by	by	ADP
expositions-1773	136	29	earth	earth	NOUN
expositions-1773	136	30	!	!	PUNCT
expositions-1773	137	1	78	78	NUM
expositions-1773	137	2	    	    	SPACE
expositions-1773	137	3	the	the	DET
expositions-1773	137	4	famous	famous	ADJ
expositions-1773	137	5	stone	stone	NOUN
expositions-1773	137	6	age	age	NOUN
expositions-1773	137	7	monument	monument	NOUN
expositions-1773	137	8	of	of	ADP
expositions-1773	137	9	stonehenge	stonehenge	PROPN
expositions-1773	137	10	,	,	PUNCT
expositions-1773	137	11	in	in	ADP
expositions-1773	137	12	southern	southern	PROPN
expositions-1773	137	13	england	england	PROPN
expositions-1773	137	14	,	,	PUNCT
expositions-1773	137	15	was	be	AUX
expositions-1773	137	16	built	build	VERB
expositions-1773	137	17	and	and	CCONJ
expositions-1773	137	18	improved	improve	VERB
expositions-1773	137	19	over	over	ADP
expositions-1773	137	20	about	about	ADP
expositions-1773	137	21	800	800	NUM
expositions-1773	137	22	years	year	NOUN
expositions-1773	137	23	in	in	ADP
expositions-1773	137	24	a	a	DET
expositions-1773	137	25	place	place	NOUN
expositions-1773	137	26	where	where	SCONJ
expositions-1773	137	27	high	high	ADJ
expositions-1773	137	28	-	-	PUNCT
expositions-1773	137	29	quality	quality	NOUN
expositions-1773	137	30	chert	chert	NOUN
expositions-1773	137	31	nodules	nodule	NOUN
expositions-1773	137	32	were	be	AUX
expositions-1773	137	33	particularly	particularly	ADV
expositions-1773	137	34	abundant	abundant	ADJ
expositions-1773	137	35	.	.	PUNCT
expositions-1773	138	1	stonehenge	stonehenge	PROPN
expositions-1773	138	2	helps	help	VERB
expositions-1773	138	3	us	we	PRON
expositions-1773	138	4	realize	realize	VERB
expositions-1773	138	5	that	that	PRON
expositions-1773	138	6	silicon	silicon	NOUN
expositions-1773	138	7	was	be	AUX
expositions-1773	138	8	as	as	ADV
expositions-1773	138	9	critical	critical	ADJ
expositions-1773	138	10	an	an	DET
expositions-1773	138	11	element	element	NOUN
expositions-1773	138	12	in	in	ADP
expositions-1773	138	13	stone	stone	NOUN
expositions-1773	138	14	age	age	NOUN
expositions-1773	138	15	times	time	NOUN
expositions-1773	138	16	as	as	SCONJ
expositions-1773	138	17	it	it	PRON
expositions-1773	138	18	is	be	AUX
expositions-1773	138	19	today	today	NOUN
expositions-1773	138	20	,	,	PUNCT
expositions-1773	138	21	and	and	CCONJ
expositions-1773	138	22	perhaps	perhaps	ADV
expositions-1773	138	23	we	we	PRON
expositions-1773	138	24	could	could	AUX
expositions-1773	138	25	think	think	VERB
expositions-1773	138	26	of	of	ADP
expositions-1773	138	27	stonehenge	stonehenge	PROPN
expositions-1773	138	28	as	as	ADP
expositions-1773	138	29	the	the	DET
expositions-1773	138	30	first	first	ADJ
expositions-1773	138	31	silicon	silicon	NOUN
expositions-1773	138	32	valley	valley	NOUN
expositions-1773	138	33	.	.	PUNCT
expositions-1773	139	1	all	all	PRON
expositions-1773	139	2	of	of	ADP
expositions-1773	139	3	this	this	DET
expositions-1773	139	4	history	history	NOUN
expositions-1773	139	5	of	of	ADP
expositions-1773	139	6	manufacture	manufacture	NOUN
expositions-1773	139	7	and	and	CCONJ
expositions-1773	139	8	use	use	NOUN
expositions-1773	139	9	of	of	ADP
expositions-1773	139	10	stone	stone	NOUN
expositions-1773	139	11	tools	tool	NOUN
expositions-1773	139	12	made	make	VERB
expositions-1773	139	13	from	from	ADP
expositions-1773	139	14	chert	chert	NOUN
expositions-1773	139	15	,	,	PUNCT
expositions-1773	139	16	and	and	CCONJ
expositions-1773	139	17	its	its	PRON
expositions-1773	139	18	probable	probable	ADJ
expositions-1773	139	19	role	role	NOUN
expositions-1773	139	20	in	in	ADP
expositions-1773	139	21	our	our	PRON
expositions-1773	139	22	expanding	expand	VERB
expositions-1773	139	23	brains	brain	NOUN
expositions-1773	139	24	and	and	CCONJ
expositions-1773	139	25	growing	grow	VERB
expositions-1773	139	26	intelligence	intelligence	NOUN
expositions-1773	139	27	,	,	PUNCT
expositions-1773	139	28	was	be	AUX
expositions-1773	139	29	made	make	VERB
expositions-1773	139	30	possible	possible	ADJ
expositions-1773	139	31	because	because	SCONJ
expositions-1773	139	32	earth	earth	NOUN
expositions-1773	139	33	has	have	VERB
expositions-1773	139	34	biological	biological	ADJ
expositions-1773	139	35	and	and	CCONJ
expositions-1773	139	36	then	then	ADV
expositions-1773	139	37	chemical	chemical	NOUN
expositions-1773	139	38	mechanisms	mechanism	NOUN
expositions-1773	139	39	for	for	ADP
expositions-1773	139	40	separating	separate	VERB
expositions-1773	139	41	silica	silica	NOUN
expositions-1773	139	42	from	from	ADP
expositions-1773	139	43	the	the	DET
expositions-1773	139	44	other	other	ADJ
expositions-1773	139	45	major	major	ADJ
expositions-1773	139	46	elements	element	NOUN
expositions-1773	139	47	—	—	PUNCT
expositions-1773	139	48	iron	iron	NOUN
expositions-1773	139	49	and	and	CCONJ
expositions-1773	139	50	magnesium	magnesium	NOUN
expositions-1773	139	51	—	—	PUNCT
expositions-1773	139	52	and	and	CCONJ
expositions-1773	139	53	from	from	ADP
expositions-1773	139	54	all	all	DET
expositions-1773	139	55	the	the	DET
expositions-1773	139	56	other	other	ADJ
expositions-1773	139	57	minor	minor	ADJ
expositions-1773	139	58	elements	element	NOUN
expositions-1773	139	59	in	in	ADP
expositions-1773	139	60	our	our	PRON
expositions-1773	139	61	planet	planet	NOUN
expositions-1773	139	62	,	,	PUNCT
expositions-1773	139	63	and	and	CCONJ
expositions-1773	139	64	forming	form	VERB
expositions-1773	139	65	beautiful	beautiful	ADJ
expositions-1773	139	66	chert	chert	NOUN
expositions-1773	139	67	nodules	nodule	NOUN
expositions-1773	139	68	of	of	ADP
expositions-1773	139	69	pure	pure	ADJ
expositions-1773	139	70	sio2	sio2	NOUN
expositions-1773	139	71	from	from	ADP
expositions-1773	139	72	which	which	PRON
expositions-1773	139	73	tools	tool	NOUN
expositions-1773	139	74	can	can	AUX
expositions-1773	139	75	be	be	AUX
expositions-1773	139	76	made	make	VERB
expositions-1773	139	77	.	.	PUNCT
expositions-1773	140	1	silicon	silicon	NOUN
expositions-1773	140	2	and	and	CCONJ
expositions-1773	140	3	the	the	DET
expositions-1773	140	4	manufacture	manufacture	NOUN
expositions-1773	140	5	of	of	ADP
expositions-1773	140	6	glass	glass	NOUN
expositions-1773	140	7	chert	chert	NOUN
expositions-1773	140	8	is	be	AUX
expositions-1773	140	9	not	not	PART
expositions-1773	140	10	the	the	DET
expositions-1773	140	11	only	only	ADJ
expositions-1773	140	12	material	material	NOUN
expositions-1773	140	13	for	for	ADP
expositions-1773	140	14	making	make	VERB
expositions-1773	140	15	stone	stone	NOUN
expositions-1773	140	16	tools	tool	NOUN
expositions-1773	140	17	with	with	ADP
expositions-1773	140	18	sharp	sharp	ADJ
expositions-1773	140	19	,	,	PUNCT
expositions-1773	140	20	hard	hard	ADJ
expositions-1773	140	21	edges	edge	NOUN
expositions-1773	140	22	—	—	PUNCT
expositions-1773	140	23	they	they	PRON
expositions-1773	140	24	have	have	AUX
expositions-1773	140	25	also	also	ADV
expositions-1773	140	26	been	be	AUX
expositions-1773	140	27	made	make	VERB
expositions-1773	140	28	from	from	ADP
expositions-1773	140	29	obsidian	obsidian	ADJ
expositions-1773	140	30	,	,	PUNCT
expositions-1773	140	31	a	a	DET
expositions-1773	140	32	natural	natural	ADJ
expositions-1773	140	33	glass	glass	NOUN
expositions-1773	140	34	of	of	ADP
expositions-1773	140	35	volcanic	volcanic	ADJ
expositions-1773	140	36	origin	origin	NOUN
expositions-1773	140	37	.	.	PUNCT
expositions-1773	141	1	obsidian	obsidian	ADJ
expositions-1773	141	2	forms	form	NOUN
expositions-1773	141	3	when	when	SCONJ
expositions-1773	141	4	molten	molten	ADJ
expositions-1773	141	5	rock	rock	NOUN
expositions-1773	141	6	cools	cool	VERB
expositions-1773	141	7	so	so	ADV
expositions-1773	141	8	rapidly	rapidly	ADV
expositions-1773	141	9	that	that	SCONJ
expositions-1773	141	10	there	there	PRON
expositions-1773	141	11	is	be	VERB
expositions-1773	141	12	no	no	DET
expositions-1773	141	13	time	time	NOUN
expositions-1773	141	14	for	for	SCONJ
expositions-1773	141	15	crystals	crystal	NOUN
expositions-1773	141	16	to	to	PART
expositions-1773	141	17	grow	grow	VERB
expositions-1773	141	18	.	.	PUNCT
expositions-1773	142	1	although	although	SCONJ
expositions-1773	142	2	humans	human	NOUN
expositions-1773	142	3	have	have	AUX
expositions-1773	142	4	long	long	ADV
expositions-1773	142	5	used	use	VERB
expositions-1773	142	6	naturally	naturally	ADV
expositions-1773	142	7	occurring	occur	VERB
expositions-1773	142	8	glass	glass	NOUN
expositions-1773	142	9	,	,	PUNCT
expositions-1773	142	10	eventually	eventually	ADV
expositions-1773	142	11	they	they	PRON
expositions-1773	142	12	learned	learn	VERB
expositions-1773	142	13	to	to	PART
expositions-1773	142	14	make	make	VERB
expositions-1773	142	15	artificial	artificial	ADJ
expositions-1773	142	16	glass	glass	NOUN
expositions-1773	142	17	themselves	themselves	PRON
expositions-1773	142	18	.	.	PUNCT
expositions-1773	143	1	glass	glass	NOUN
expositions-1773	143	2	technology	technology	NOUN
expositions-1773	143	3	seems	seem	VERB
expositions-1773	143	4	to	to	PART
expositions-1773	143	5	have	have	AUX
expositions-1773	143	6	begun	begin	VERB
expositions-1773	143	7	around	around	ADP
expositions-1773	143	8	3500	3500	NUM
expositions-1773	143	9	bce	bce	NOUN
expositions-1773	143	10	in	in	ADP
expositions-1773	143	11	mesopotamia	mesopotamia	PROPN
expositions-1773	143	12	or	or	CCONJ
expositions-1773	143	13	egypt	egypt	PROPN
expositions-1773	143	14	,	,	PUNCT
expositions-1773	143	15	about	about	ADP
expositions-1773	143	16	the	the	DET
expositions-1773	143	17	same	same	ADJ
expositions-1773	143	18	time	time	NOUN
expositions-1773	143	19	and	and	CCONJ
expositions-1773	143	20	place	place	NOUN
expositions-1773	143	21	people	people	NOUN
expositions-1773	143	22	learned	learn	VERB
expositions-1773	143	23	to	to	PART
expositions-1773	143	24	make	make	VERB
expositions-1773	143	25	bronze	bronze	NOUN
expositions-1773	143	26	by	by	ADP
expositions-1773	143	27	mixing	mix	VERB
expositions-1773	143	28	copper	copper	NOUN
expositions-1773	143	29	and	and	CCONJ
expositions-1773	143	30	tin	tin	NOUN
expositions-1773	143	31	.	.	PUNCT
expositions-1773	144	1	so	so	ADV
expositions-1773	144	2	glass	glass	NOUN
expositions-1773	144	3	and	and	CCONJ
expositions-1773	144	4	bronze	bronze	NOUN
expositions-1773	144	5	appear	appear	VERB
expositions-1773	144	6	to	to	PART
expositions-1773	144	7	mark	mark	VERB
expositions-1773	144	8	the	the	DET
expositions-1773	144	9	beginning	beginning	NOUN
expositions-1773	144	10	of	of	ADP
expositions-1773	144	11	a	a	DET
expositions-1773	144	12	history	history	NOUN
expositions-1773	144	13	in	in	ADP
expositions-1773	144	14	which	which	PRON
expositions-1773	144	15	humans	human	NOUN
expositions-1773	144	16	have	have	AUX
expositions-1773	144	17	learned	learn	VERB
expositions-1773	144	18	to	to	PART
expositions-1773	144	19	make	make	VERB
expositions-1773	144	20	and	and	CCONJ
expositions-1773	144	21	use	use	VERB
expositions-1773	144	22	an	an	DET
expositions-1773	144	23	ever	ever	ADV
expositions-1773	144	24	more	more	ADV
expositions-1773	144	25	varied	varied	ADJ
expositions-1773	144	26	array	array	NOUN
expositions-1773	144	27	of	of	ADP
expositions-1773	144	28	remarkable	remarkable	ADJ
expositions-1773	144	29	artificial	artificial	ADJ
expositions-1773	144	30	materials	material	NOUN
expositions-1773	144	31	.	.	PUNCT
expositions-1773	145	1	think	think	VERB
expositions-1773	145	2	for	for	ADP
expositions-1773	145	3	a	a	DET
expositions-1773	145	4	moment	moment	NOUN
expositions-1773	145	5	about	about	ADP
expositions-1773	145	6	what	what	DET
expositions-1773	145	7	glass	glass	NOUN
expositions-1773	145	8	does	do	AUX
expositions-1773	145	9	for	for	ADP
expositions-1773	145	10	us	we	PRON
expositions-1773	145	11	.	.	PUNCT
expositions-1773	146	1	glass	glass	PROPN
expositions-1773	146	2	windows	window	NOUN
expositions-1773	146	3	allow	allow	VERB
expositions-1773	146	4	us	we	PRON
expositions-1773	146	5	to	to	PART
expositions-1773	146	6	have	have	VERB
expositions-1773	146	7	light	light	NOUN
expositions-1773	146	8	inside	inside	ADP
expositions-1773	146	9	our	our	PRON
expositions-1773	146	10	houses	house	NOUN
expositions-1773	146	11	,	,	PUNCT
expositions-1773	146	12	cars	car	NOUN
expositions-1773	146	13	,	,	PUNCT
expositions-1773	146	14	and	and	CCONJ
expositions-1773	146	15	airplanes	airplane	NOUN
expositions-1773	146	16	during	during	ADP
expositions-1773	146	17	the	the	DET
expositions-1773	146	18	day	day	NOUN
expositions-1773	146	19	,	,	PUNCT
expositions-1773	146	20	and	and	CCONJ
expositions-1773	146	21	light	light	ADJ
expositions-1773	146	22	bulbs	bulb	NOUN
expositions-1773	146	23	illuminate	illuminate	VERB
expositions-1773	146	24	them	they	PRON
expositions-1773	146	25	at	at	ADP
expositions-1773	146	26	night	night	NOUN
expositions-1773	146	27	.	.	PUNCT
expositions-1773	147	1	glass	glass	NOUN
expositions-1773	147	2	gives	give	VERB
expositions-1773	147	3	us	we	PRON
expositions-1773	147	4	waterproof	waterproof	ADJ
expositions-1773	147	5	pitchers	pitcher	NOUN
expositions-1773	147	6	,	,	PUNCT
expositions-1773	147	7	bottles	bottle	NOUN
expositions-1773	147	8	and	and	CCONJ
expositions-1773	147	9	drinking	drinking	NOUN
expositions-1773	147	10	glasses	glass	NOUN
expositions-1773	147	11	,	,	PUNCT
expositions-1773	147	12	and	and	CCONJ
expositions-1773	147	13	it	it	PRON
expositions-1773	147	14	allows	allow	VERB
expositions-1773	147	15	us	we	PRON
expositions-1773	147	16	to	to	PART
expositions-1773	147	17	see	see	VERB
expositions-1773	147	18	in	in	ADP
expositions-1773	147	19	mirrors	mirror	NOUN
expositions-1773	147	20	and	and	CCONJ
expositions-1773	147	21	through	through	ADP
expositions-1773	147	22	corrective	corrective	ADJ
expositions-1773	147	23	lenses	lense	NOUN
expositions-1773	147	24	.	.	PUNCT
expositions-1773	148	1	in	in	ADP
expositions-1773	148	2	telescopes	telescope	NOUN
expositions-1773	148	3	,	,	PUNCT
expositions-1773	148	4	microscopes	microscope	NOUN
expositions-1773	148	5	and	and	CCONJ
expositions-1773	148	6	myriad	myriad	ADJ
expositions-1773	148	7	other	other	ADJ
expositions-1773	148	8	scientific	scientific	ADJ
expositions-1773	148	9	devices	device	NOUN
expositions-1773	148	10	it	it	PRON
expositions-1773	148	11	has	have	AUX
expositions-1773	148	12	allowed	allow	VERB
expositions-1773	148	13	us	we	PRON
expositions-1773	148	14	to	to	PART
expositions-1773	148	15	understand	understand	VERB
expositions-1773	148	16	our	our	PRON
expositions-1773	148	17	world	world	NOUN
expositions-1773	148	18	.	.	PUNCT
expositions-1773	149	1	it	it	PRON
expositions-1773	149	2	insulates	insulate	VERB
expositions-1773	149	3	high	high	ADJ
expositions-1773	149	4	-	-	PUNCT
expositions-1773	149	5	voltage	voltage	NOUN
expositions-1773	149	6	power	power	NOUN
expositions-1773	149	7	lines	line	NOUN
expositions-1773	149	8	,	,	PUNCT
expositions-1773	149	9	provides	provide	VERB
expositions-1773	149	10	fiber	fiber	NOUN
expositions-1773	149	11	-	-	PUNCT
expositions-1773	149	12	optic	optic	NOUN
expositions-1773	149	13	cables	cable	NOUN
expositions-1773	149	14	,	,	PUNCT
expositions-1773	149	15	and	and	CCONJ
expositions-1773	149	16	gives	give	VERB
expositions-1773	149	17	us	we	PRON
expositions-1773	149	18	monitors	monitor	NOUN
expositions-1773	149	19	and	and	CCONJ
expositions-1773	149	20	touch	touch	VERB
expositions-1773	149	21	screens	screen	NOUN
expositions-1773	149	22	for	for	ADP
expositions-1773	149	23	computers	computer	NOUN
expositions-1773	149	24	.	.	PUNCT
expositions-1773	150	1	in	in	ADP
expositions-1773	150	2	mosaics	mosaic	NOUN
expositions-1773	150	3	and	and	CCONJ
expositions-1773	150	4	stained	stain	VERB
expositions-1773	150	5	-	-	PUNCT
expositions-1773	150	6	glass	glass	NOUN
expositions-1773	150	7	windows	window	NOUN
expositions-1773	150	8	it	it	PRON
expositions-1773	150	9	has	have	AUX
expositions-1773	150	10	been	be	AUX
expositions-1773	150	11	a	a	DET
expositions-1773	150	12	medium	medium	NOUN
expositions-1773	150	13	for	for	ADP
expositions-1773	150	14	great	great	ADJ
expositions-1773	150	15	art	art	NOUN
expositions-1773	150	16	.	.	PUNCT
expositions-1773	151	1	almost	almost	ADV
expositions-1773	151	2	all	all	DET
expositions-1773	151	3	glass	glass	NOUN
expositions-1773	151	4	made	make	VERB
expositions-1773	151	5	today	today	NOUN
expositions-1773	151	6	is	be	AUX
expositions-1773	151	7	based	base	VERB
expositions-1773	151	8	on	on	ADP
expositions-1773	151	9	melting	melting	NOUN
expositions-1773	151	10	and	and	CCONJ
expositions-1773	151	11	then	then	ADV
expositions-1773	151	12	rapidly	rapidly	ADV
expositions-1773	151	13	cooling	cool	VERB
expositions-1773	151	14	silica	silica	NOUN
expositions-1773	151	15	,	,	PUNCT
expositions-1773	151	16	sio2	sio2	PROPN
expositions-1773	151	17	,	,	PUNCT
expositions-1773	151	18	with	with	ADP
expositions-1773	151	19	smaller	small	ADJ
expositions-1773	151	20	amounts	amount	NOUN
expositions-1773	151	21	of	of	ADP
expositions-1773	151	22	other	other	ADJ
expositions-1773	151	23	elements	element	NOUN
expositions-1773	151	24	added	add	VERB
expositions-1773	151	25	to	to	PART
expositions-1773	151	26	give	give	VERB
expositions-1773	151	27	it	it	PRON
expositions-1773	151	28	desirable	desirable	ADJ
expositions-1773	151	29	properties	property	NOUN
expositions-1773	151	30	.	.	PUNCT
expositions-1773	152	1	the	the	DET
expositions-1773	152	2	point	point	NOUN
expositions-1773	152	3	here	here	ADV
expositions-1773	152	4	is	be	AUX
expositions-1773	152	5	not	not	PART
expositions-1773	152	6	the	the	DET
expositions-1773	152	7	details	detail	NOUN
expositions-1773	152	8	of	of	ADP
expositions-1773	152	9	how	how	SCONJ
expositions-1773	152	10	glass	glass	NOUN
expositions-1773	152	11	is	be	AUX
expositions-1773	152	12	made	make	VERB
expositions-1773	152	13	,	,	PUNCT
expositions-1773	152	14	but	but	CCONJ
expositions-1773	152	15	rather	rather	ADV
expositions-1773	152	16	the	the	DET
expositions-1773	152	17	question	question	NOUN
expositions-1773	152	18	how	how	SCONJ
expositions-1773	152	19	earth	earth	NOUN
expositions-1773	152	20	has	have	AUX
expositions-1773	152	21	concentrated	concentrate	VERB
expositions-1773	152	22	the	the	DET
expositions-1773	152	23	silica	silica	NOUN
expositions-1773	152	24	we	we	PRON
expositions-1773	152	25	use	use	VERB
expositions-1773	152	26	for	for	ADP
expositions-1773	152	27	glass	glass	NOUN
expositions-1773	152	28	manufacture	manufacture	NOUN
expositions-1773	152	29	.	.	PUNCT
expositions-1773	153	1	this	this	PRON
expositions-1773	153	2	will	will	AUX
expositions-1773	153	3	lead	lead	VERB
expositions-1773	153	4	us	we	PRON
expositions-1773	153	5	deeper	deeply	ADV
expositions-1773	153	6	into	into	ADP
expositions-1773	153	7	understanding	understand	VERB
expositions-1773	153	8	earth	earth	NOUN
expositions-1773	153	9	’s	’s	PART
expositions-1773	153	10	virtuosic	virtuosic	ADJ
expositions-1773	153	11	ability	ability	NOUN
expositions-1773	153	12	to	to	PART
expositions-1773	153	13	separate	separate	VERB
expositions-1773	153	14	and	and	CCONJ
expositions-1773	153	15	concentrate	concentrate	VERB
expositions-1773	153	16	chemical	chemical	NOUN
expositions-1773	153	17	elements	element	NOUN
expositions-1773	153	18	,	,	PUNCT
expositions-1773	153	19	because	because	SCONJ
expositions-1773	153	20	the	the	DET
expositions-1773	153	21	silica	silica	NOUN
expositions-1773	153	22	used	use	VERB
expositions-1773	153	23	in	in	ADP
expositions-1773	153	24	glass	glass	NOUN
expositions-1773	153	25	making	making	NOUN
expositions-1773	153	26	was	be	AUX
expositions-1773	153	27	concentrated	concentrate	VERB
expositions-1773	153	28	in	in	ADP
expositions-1773	153	29	a	a	DET
expositions-1773	153	30	completely	completely	ADV
expositions-1773	153	31	different	different	ADJ
expositions-1773	153	32	way	way	NOUN
expositions-1773	153	33	from	from	ADP
expositions-1773	153	34	the	the	DET
expositions-1773	153	35	silica	silica	NOUN
expositions-1773	153	36	used	use	VERB
expositions-1773	153	37	for	for	ADP
expositions-1773	153	38	making	make	VERB
expositions-1773	153	39	stone	stone	NOUN
expositions-1773	153	40	tools	tool	NOUN
expositions-1773	153	41	.	.	PUNCT
expositions-1773	154	1	fortunately	fortunately	ADV
expositions-1773	154	2	we	we	PRON
expositions-1773	154	3	are	be	AUX
expositions-1773	154	4	not	not	PART
expositions-1773	154	5	dependent	dependent	ADJ
expositions-1773	154	6	on	on	ADP
expositions-1773	154	7	chert	chert	NOUN
expositions-1773	154	8	nodules	nodule	NOUN
expositions-1773	154	9	to	to	PART
expositions-1773	154	10	make	make	VERB
expositions-1773	154	11	glass	glass	NOUN
expositions-1773	154	12	,	,	PUNCT
expositions-1773	154	13	for	for	ADP
expositions-1773	154	14	chert	chert	NOUN
expositions-1773	154	15	is	be	AUX
expositions-1773	154	16	not	not	PART
expositions-1773	154	17	so	so	ADV
expositions-1773	154	18	abundant	abundant	ADJ
expositions-1773	154	19	.	.	PUNCT
expositions-1773	155	1	on	on	ADP
expositions-1773	155	2	the	the	DET
expositions-1773	155	3	contrary	contrary	NOUN
expositions-1773	155	4	,	,	PUNCT
expositions-1773	155	5	there	there	PRON
expositions-1773	155	6	are	be	VERB
expositions-1773	155	7	enormous	enormous	ADJ
expositions-1773	155	8	supplies	supply	NOUN
expositions-1773	155	9	of	of	ADP
expositions-1773	155	10	silica	silica	NOUN
expositions-1773	155	11	in	in	ADP
expositions-1773	155	12	that	that	DET
expositions-1773	155	13	most	most	ADV
expositions-1773	155	14	common	common	ADJ
expositions-1773	155	15	of	of	ADP
expositions-1773	155	16	geological	geological	ADJ
expositions-1773	155	17	deposits	deposit	NOUN
expositions-1773	155	18	—	—	PUNCT
expositions-1773	155	19	plain	plain	ADJ
expositions-1773	155	20	old	old	ADJ
expositions-1773	155	21	sand	sand	NOUN
expositions-1773	155	22	.	.	PUNCT
expositions-1773	156	1	most	most	ADJ
expositions-1773	156	2	sand	sand	NOUN
expositions-1773	156	3	is	be	AUX
expositions-1773	156	4	composed	compose	VERB
expositions-1773	156	5	largely	largely	ADV
expositions-1773	156	6	or	or	CCONJ
expositions-1773	156	7	almost	almost	ADV
expositions-1773	156	8	entirely	entirely	ADV
expositions-1773	156	9	of	of	ADP
expositions-1773	156	10	little	little	ADJ
expositions-1773	156	11	grains	grain	NOUN
expositions-1773	156	12	of	of	ADP
expositions-1773	156	13	quartz	quartz	NOUN
expositions-1773	156	14	,	,	PUNCT
expositions-1773	156	15	and	and	CCONJ
expositions-1773	156	16	is	be	AUX
expositions-1773	156	17	familiar	familiar	ADJ
expositions-1773	156	18	to	to	ADP
expositions-1773	156	19	anyone	anyone	PRON
expositions-1773	156	20	who	who	PRON
expositions-1773	156	21	ever	ever	ADV
expositions-1773	156	22	walks	walk	VERB
expositions-1773	156	23	on	on	ADP
expositions-1773	156	24	a	a	DET
expositions-1773	156	25	beach	beach	NOUN
expositions-1773	156	26	or	or	CCONJ
expositions-1773	156	27	through	through	ADP
expositions-1773	156	28	the	the	DET
expositions-1773	156	29	dunes	dune	NOUN
expositions-1773	156	30	.	.	PUNCT
expositions-1773	157	1	but	but	CCONJ
expositions-1773	157	2	it	it	PRON
expositions-1773	157	3	is	be	AUX
expositions-1773	157	4	surprising	surprising	ADJ
expositions-1773	157	5	at	at	ADP
expositions-1773	157	6	first	first	ADV
expositions-1773	157	7	,	,	PUNCT
expositions-1773	157	8	when	when	SCONJ
expositions-1773	157	9	you	you	PRON
expositions-1773	157	10	think	think	VERB
expositions-1773	157	11	about	about	ADP
expositions-1773	157	12	how	how	SCONJ
expositions-1773	157	13	earth	earth	NOUN
expositions-1773	157	14	concentrates	concentrate	VERB
expositions-1773	157	15	elements	element	NOUN
expositions-1773	157	16	,	,	PUNCT
expositions-1773	157	17	because	because	SCONJ
expositions-1773	157	18	during	during	ADP
expositions-1773	157	19	the	the	DET
expositions-1773	157	20	original	original	ADJ
expositions-1773	157	21	accretion	accretion	NOUN
expositions-1773	157	22	of	of	ADP
expositions-1773	157	23	earth	earth	NOUN
expositions-1773	157	24	there	there	PRON
expositions-1773	157	25	was	be	VERB
expositions-1773	157	26	no	no	DET
expositions-1773	157	27	mechanism	mechanism	NOUN
expositions-1773	157	28	to	to	PART
expositions-1773	157	29	produce	produce	VERB
expositions-1773	157	30	quartz	quartz	NOUN
expositions-1773	157	31	.	.	PUNCT
expositions-1773	158	1	as	as	SCONJ
expositions-1773	158	2	we	we	PRON
expositions-1773	158	3	have	have	AUX
expositions-1773	158	4	seen	see	VERB
expositions-1773	158	5	,	,	PUNCT
expositions-1773	158	6	there	there	PRON
expositions-1773	158	7	were	be	VERB
expositions-1773	158	8	mechanisms	mechanism	NOUN
expositions-1773	158	9	to	to	PART
expositions-1773	158	10	eliminate	eliminate	VERB
expositions-1773	158	11	79	79	NUM
expositions-1773	158	12	  	  	SPACE
expositions-1773	158	13	most	most	ADJ
expositions-1773	158	14	of	of	ADP
expositions-1773	158	15	t	t	PROPN
expositions-1773	158	16	with	with	ADP
expositions-1773	158	17	abu	abu	PROPN
expositions-1773	158	18	not	not	PART
expositions-1773	158	19	the	the	DET
expositions-1773	158	20	c	c	NOUN
expositions-1773	158	21	with	with	ADP
expositions-1773	158	22	fe	fe	PROPN
expositions-1773	158	23	a	a	PRON
expositions-1773	158	24	is	be	AUX
expositions-1773	158	25	made	make	VERB
expositions-1773	158	26	mg2sio4	mg2sio4	PROPN
expositions-1773	158	27	here	here	ADV
expositions-1773	158	28	w	w	PROPN
expositions-1773	158	29	billion	billion	NUM
expositions-1773	158	30	ye	ye	NUM
expositions-1773	158	31	quartz	quartz	NOUN
expositions-1773	158	32	fro	fro	NOUN
expositions-1773	158	33	steps	step	NOUN
expositions-1773	158	34	ear	ear	VERB
expositions-1773	158	35	a	a	DET
expositions-1773	158	36	sim	sim	NOUN
expositions-1773	158	37	nearly	nearly	ADV
expositions-1773	158	38	  	  	SPACE
expositions-1773	158	39	first	first	ADV
expositions-1773	158	40	,	,	PUNCT
expositions-1773	158	41	the	the	DET
expositions-1773	158	42	partially	partially	ADV
expositions-1773	158	43	with	with	ADP
expositions-1773	158	44	no	no	DET
expositions-1773	158	45	q	q	NOUN
expositions-1773	158	46	the	the	DET
expositions-1773	158	47	ocean	ocean	NOUN
expositions-1773	158	48	secon	secon	NOUN
expositions-1773	158	49	dense	dense	PROPN
expositions-1773	158	50	,	,	PUNCT
expositions-1773	158	51	su	su	PROPN
expositions-1773	158	52	third	third	ADJ
expositions-1773	158	53	,	,	PUNCT
expositions-1773	158	54	causes	cause	VERB
expositions-1773	158	55	pa	pa	PROPN
expositions-1773	158	56	melt	melt	PROPN
expositions-1773	158	57	.	.	PUNCT
expositions-1773	159	1	the	the	DET
expositions-1773	159	2	the	the	DET
expositions-1773	159	3	elements	element	NOUN
expositions-1773	159	4	undant	undant	NOUN
expositions-1773	159	5	si	si	NOUN
expositions-1773	159	6	and	and	CCONJ
expositions-1773	159	7	ase	ase	PROPN
expositions-1773	159	8	.	.	PUNCT
expositions-1773	159	9	instead	instead	ADV
expositions-1773	159	10	,	,	PUNCT
expositions-1773	159	11	and	and	CCONJ
expositions-1773	159	12	mg	mg	PROPN
expositions-1773	159	13	to	to	ADP
expositions-1773	159	14	m	m	PROPN
expositions-1773	159	15	of	of	ADP
expositions-1773	159	16	(	(	PUNCT
expositions-1773	159	17	1	1	NUM
expositions-1773	159	18	)	)	PUNCT
expositions-1773	159	19	an	an	DET
expositions-1773	159	20	i	i	NOUN
expositions-1773	159	21	4	4	NUM
expositions-1773	159	22	.	.	PUNCT
expositions-1773	160	1	so	so	ADV
expositions-1773	160	2	where	where	SCONJ
expositions-1773	160	3	d	d	NOUN
expositions-1773	160	4	we	we	PRON
expositions-1773	160	5	meet	meet	VERB
expositions-1773	160	6	one	one	NUM
expositions-1773	160	7	ears	ear	NOUN
expositions-1773	160	8	it	it	PRON
expositions-1773	160	9	has	have	AUX
expositions-1773	160	10	ac	ac	PROPN
expositions-1773	160	11	om	om	PROPN
expositions-1773	160	12	rocks	rock	NOUN
expositions-1773	160	13	tha	tha	INTJ
expositions-1773	161	1	rth	rth	PROPN
expositions-1773	161	2	uses	use	VERB
expositions-1773	161	3	to	to	PART
expositions-1773	161	4	w	w	PROPN
expositions-1773	161	5	mplified	mplifie	VERB
expositions-1773	161	6	carto	carto	VERB
expositions-1773	161	7	y	y	PROPN
expositions-1773	161	8	pure	pure	ADJ
expositions-1773	161	9	quartz	quartz	NOUN
expositions-1773	161	10	e	e	PROPN
expositions-1773	161	11	hot	hot	ADJ
expositions-1773	161	12	olivine	olivine	NOUN
expositions-1773	161	13	melts	melt	NOUN
expositions-1773	161	14	as	as	ADP
expositions-1773	161	15	the	the	DET
expositions-1773	161	16	quartz	quartz	NOUN
expositions-1773	161	17	,	,	PUNCT
expositions-1773	161	18	form	form	NOUN
expositions-1773	161	19	n	n	PRON
expositions-1773	161	20	basin	basin	NOUN
expositions-1773	161	21	expa	expa	ADV
expositions-1773	161	22	nd	nd	PRON
expositions-1773	161	23	,	,	PUNCT
expositions-1773	161	24	after	after	SCONJ
expositions-1773	161	25	tens	ten	NOUN
expositions-1773	161	26	ubducts	ubduct	NOUN
expositions-1773	161	27	—	—	PUNCT
expositions-1773	161	28	sin	sin	NOUN
expositions-1773	161	29	,	,	PUNCT
expositions-1773	161	30	in	in	ADP
expositions-1773	161	31	a	a	DET
expositions-1773	161	32	proces	proce	NOUN
expositions-1773	161	33	artial	artial	ADJ
expositions-1773	161	34	meltin	meltin	NOUN
expositions-1773	161	35	e	e	X
expositions-1773	161	36	molten	molten	ADJ
expositions-1773	161	37	roc	roc	PROPN
expositions-1773	161	38	in	in	ADP
expositions-1773	161	39	the	the	DET
expositions-1773	161	40	newly	newly	ADV
expositions-1773	161	41	d	d	NOUN
expositions-1773	161	42	o	o	NOUN
expositions-1773	161	43	,	,	PUNCT
expositions-1773	161	44	you	you	PRON
expositions-1773	161	45	mig	mig	VERB
expositions-1773	161	46	,	,	PUNCT
expositions-1773	161	47	there	there	PRON
expositions-1773	161	48	was	be	VERB
expositions-1773	161	49	s	s	NOUN
expositions-1773	161	50	make	make	VERB
expositions-1773	161	51	silicate	silicate	ADJ
expositions-1773	161	52	iron	iron	NOUN
expositions-1773	161	53	core	core	NOUN
expositions-1773	162	1	an	an	PRON
expositions-1773	162	2	did	do	AUX
expositions-1773	162	3	all	all	DET
expositions-1773	162	4	the	the	DET
expositions-1773	162	5	pr	pr	NOUN
expositions-1773	162	6	e	e	NOUN
expositions-1773	162	7	of	of	ADP
expositions-1773	162	8	the	the	DET
expositions-1773	162	9	mos	mos	NOUN
expositions-1773	162	10	cted	cte	VERB
expositions-1773	162	11	as	as	ADP
expositions-1773	162	12	a	a	DET
expositions-1773	162	13	gian	gian	NOUN
expositions-1773	162	14	at	at	ADP
expositions-1773	162	15	contained	contain	VERB
expositions-1773	162	16	work	work	NOUN
expositions-1773	162	17	this	this	DET
expositions-1773	162	18	chem	chem	NOUN
expositions-1773	162	19	oon	oon	NOUN
expositions-1773	162	20	showing	show	VERB
expositions-1773	162	21	z	z	NOUN
expositions-1773	162	22	sand	sand	NOUN
expositions-1773	162	23	we	we	PRON
expositions-1773	162	24	use	use	VERB
expositions-1773	162	25	e	e	ADJ
expositions-1773	162	26	-	-	ADJ
expositions-1773	162	27	rich	rich	ADJ
expositions-1773	162	28	mantle	mantle	NOUN
expositions-1773	162	29	e	e	NOUN
expositions-1773	162	30	pressure	pressure	NOUN
expositions-1773	163	1	d	d	NOUN
expositions-1773	163	2	ms	ms	NOUN
expositions-1773	163	3	the	the	DET
expositions-1773	163	4	basalt	basalt	NOUN
expositions-1773	163	5	nds	nds	PROPN
expositions-1773	163	6	.	.	PROPN
expositions-1773	163	7	s	s	PART
expositions-1773	163	8	or	or	CCONJ
expositions-1773	163	9	hundred	hundred	NUM
expositions-1773	163	10	nks	nk	NOUN
expositions-1773	163	11	back	back	ADV
expositions-1773	163	12	dow	dow	PROPN
expositions-1773	163	13	ss	ss	PROPN
expositions-1773	164	1	that	that	PRON
expositions-1773	164	2	is	be	AUX
expositions-1773	164	3	still	still	ADV
expositions-1773	164	4	g	g	NOUN
expositions-1773	164	5	in	in	ADP
expositions-1773	164	6	the	the	DET
expositions-1773	164	7	sub	sub	NOUN
expositions-1773	164	8	ck	ck	PROPN
expositions-1773	164	9	rises	rise	NOUN
expositions-1773	164	10	and	and	CCONJ
expositions-1773	164	11	e	e	AUX
expositions-1773	164	12	y	y	PROPN
expositions-1773	164	13	-	-	PUNCT
expositions-1773	164	14	formed	form	VERB
expositions-1773	164	15	ea	ea	NOUN
expositions-1773	165	1	ght	ght	PROPN
expositions-1773	165	2	think	think	VERB
expositions-1773	165	3	tha	tha	INTJ
expositions-1773	165	4	so	so	ADV
expositions-1773	165	5	much	much	ADV
expositions-1773	165	6	fe	fe	X
expositions-1773	165	7	minerals	mineral	NOUN
expositions-1773	165	8	oth	oth	PROPN
expositions-1773	165	9	nd	nd	PROPN
expositions-1773	165	10	(	(	PUNCT
expositions-1773	165	11	2	2	NUM
expositions-1773	165	12	)	)	PUNCT
expositions-1773	165	13	a	a	DET
expositions-1773	165	14	ma	ma	PROPN
expositions-1773	165	15	resent	resent	PROPN
expositions-1773	165	16	-	-	PUNCT
expositions-1773	165	17	day	day	NOUN
expositions-1773	165	18	qu	qu	PROPN
expositions-1773	165	19	st	st	PROPN
expositions-1773	165	20	fascinating	fascinating	PROPN
expositions-1773	165	21	nt	not	PART
expositions-1773	165	22	chemical	chemical	NOUN
expositions-1773	165	23	silica	silica	NOUN
expositions-1773	165	24	but	but	CCONJ
expositions-1773	165	25	no	no	DET
expositions-1773	165	26	mical	mical	ADJ
expositions-1773	165	27	magic	magic	NOUN
expositions-1773	165	28	the	the	DET
expositions-1773	165	29	steps	step	NOUN
expositions-1773	165	30	by	by	ADP
expositions-1773	165	31	to	to	PART
expositions-1773	165	32	make	make	VERB
expositions-1773	165	33	glas	glas	PROPN
expositions-1773	165	34	e	e	PROPN
expositions-1773	165	35	rock	rock	NOUN
expositions-1773	165	36	called	call	VERB
expositions-1773	165	37	decreases	decrease	NOUN
expositions-1773	165	38	.	.	PUNCT
expositions-1773	166	1	th	th	X
expositions-1773	166	2	of	of	ADP
expositions-1773	166	3	the	the	DET
expositions-1773	166	4	ocean	ocean	NOUN
expositions-1773	166	5	ds	ds	NOUN
expositions-1773	166	6	of	of	ADP
expositions-1773	166	7	million	million	NUM
expositions-1773	166	8	wn	wn	NOUN
expositions-1773	166	9	into	into	ADP
expositions-1773	166	10	the	the	DET
expositions-1773	166	11	m	m	PROPN
expositions-1773	166	12	l	l	NOUN
expositions-1773	166	13	not	not	PART
expositions-1773	166	14	fully	fully	ADV
expositions-1773	166	15	u	u	NOUN
expositions-1773	166	16	ducting	ducte	VERB
expositions-1773	166	17	slab	slab	NOUN
expositions-1773	166	18	either	either	CCONJ
expositions-1773	166	19	erupts	erupt	VERB
expositions-1773	166	20	arth	arth	ADV
expositions-1773	166	21	except	except	SCONJ
expositions-1773	166	22	f	f	PROPN
expositions-1773	166	23	at	at	ADP
expositions-1773	166	24	lots	lot	NOUN
expositions-1773	166	25	of	of	ADP
expositions-1773	166	26	qua	qua	NOUN
expositions-1773	166	27	and	and	CCONJ
expositions-1773	166	28	mg	mg	PROPN
expositions-1773	166	29	arou	arou	VERB
expositions-1773	166	30	her	she	PRON
expositions-1773	166	31	than	than	ADP
expositions-1773	166	32	qua	qua	ADJ
expositions-1773	166	33	antle	antle	NOUN
expositions-1773	166	34	with	with	ADP
expositions-1773	166	35	t	t	PROPN
expositions-1773	166	36	uartz	uartz	PROPN
expositions-1773	166	37	sand	sand	NOUN
expositions-1773	166	38	co	co	NOUN
expositions-1773	166	39	g	g	PROPN
expositions-1773	166	40	features	feature	NOUN
expositions-1773	166	41	of	of	ADP
expositions-1773	166	42	processing	process	VERB
expositions-1773	166	43	p	p	NOUN
expositions-1773	166	44	o	o	NOUN
expositions-1773	166	45	quartz	quartz	NOUN
expositions-1773	166	46	.	.	PUNCT
expositions-1773	167	1	he	he	PRON
expositions-1773	167	2	c	c	X
expositions-1773	167	3	:	:	PUNCT
expositions-1773	167	4	   	   	SPACE
expositions-1773	167	5	which	which	PRON
expositions-1773	167	6	earth	earth	NOUN
expositions-1773	167	7	s.	s.	PROPN
expositions-1773	167	8	d	d	PROPN
expositions-1773	167	9	peridotite	peridotite	PROPN
expositions-1773	167	10	he	he	PRON
expositions-1773	167	11	lower	low	ADJ
expositions-1773	167	12	-	-	PUNCT
expositions-1773	167	13	den	den	NOUN
expositions-1773	167	14	n	n	PRON
expositions-1773	167	15	crust	crust	NOUN
expositions-1773	167	16	,	,	PUNCT
expositions-1773	167	17	whi	whi	X
expositions-1773	167	18	ns	ns	NUM
expositions-1773	167	19	of	of	ADP
expositions-1773	167	20	years	year	NOUN
expositions-1773	167	21	,	,	PUNCT
expositions-1773	167	22	mantle	mantle	PROPN
expositions-1773	167	23	.	.	PUNCT
expositions-1773	168	1	understood	understand	VERB
expositions-1773	168	2	,	,	PUNCT
expositions-1773	168	3	w	w	PROPN
expositions-1773	168	4	b	b	NOUN
expositions-1773	168	5	or	or	CCONJ
expositions-1773	168	6	above	above	ADP
expositions-1773	168	7	it	it	PRON
expositions-1773	168	8	s	s	VERB
expositions-1773	168	9	in	in	ADP
expositions-1773	168	10	great	great	ADJ
expositions-1773	168	11	cha	cha	NOUN
expositions-1773	168	12	for	for	ADP
expositions-1773	168	13	iron	iron	NOUN
expositions-1773	168	14	,	,	PUNCT
expositions-1773	169	1	mag	mag	PROPN
expositions-1773	169	2	artz	artz	PROPN
expositions-1773	169	3	,	,	PUNCT
expositions-1773	169	4	sio2	sio2	PROPN
expositions-1773	169	5	,	,	PUNCT
expositions-1773	169	6	w	w	PROPN
expositions-1773	169	7	und	und	NOUN
expositions-1773	169	8	that	that	PRON
expositions-1773	169	9	all	all	DET
expositions-1773	169	10	artz	artz	NOUN
expositions-1773	169	11	.	.	PUNCT
expositions-1773	170	1	in	in	ADP
expositions-1773	170	2	fact	fact	NOUN
expositions-1773	170	3	,	,	PUNCT
expositions-1773	170	4	the	the	DET
expositions-1773	170	5	composi	composi	NOUN
expositions-1773	170	6	ome	ome	ADV
expositions-1773	170	7	from	from	ADP
expositions-1773	170	8	?	?	PUNCT
expositions-1773	171	1	f	f	PROPN
expositions-1773	171	2	earth	earth	PROPN
expositions-1773	171	3	’s	’s	PART
expositions-1773	171	4	geo	geo	PROPN
expositions-1773	171	5	plant	plant	NOUN
expositions-1773	171	6	that	that	PRON
expositions-1773	171	7	ha	ha	INTJ
expositions-1773	171	8	ere	ere	PROPN
expositions-1773	171	9	,	,	PUNCT
expositions-1773	171	10	in	in	ADP
expositions-1773	171	11	a	a	DET
expositions-1773	171	12	very	very	ADV
expositions-1773	171	13	h	h	NOUN
expositions-1773	171	14	converts	convert	NOUN
expositions-1773	171	15	qu	qu	PROPN
expositions-1773	171	16	rises	rise	VERB
expositions-1773	171	17	beneat	beneat	NOUN
expositions-1773	171	18	nsity	nsity	NOUN
expositions-1773	171	19	portion	portion	NOUN
expositions-1773	171	20	ch	ch	NOUN
expositions-1773	171	21	spreads	spread	VERB
expositions-1773	171	22	l	l	NOUN
expositions-1773	171	23	,	,	PUNCT
expositions-1773	171	24	the	the	DET
expositions-1773	171	25	basaltic	basaltic	ADJ
expositions-1773	171	26	water	water	NOUN
expositions-1773	171	27	carried	carry	VERB
expositions-1773	171	28	t	t	PROPN
expositions-1773	171	29	,	,	PUNCT
expositions-1773	171	30	and	and	CCONJ
expositions-1773	171	31	silica	silica	NOUN
expositions-1773	171	32	ains	ain	NOUN
expositions-1773	171	33	of	of	ADP
expositions-1773	171	34	volca	volca	NOUN
expositions-1773	171	35	gnesium	gnesium	NOUN
expositions-1773	171	36	,	,	PUNCT
expositions-1773	171	37	sili	sili	PROPN
expositions-1773	171	38	would	would	AUX
expositions-1773	171	39	have	have	AUX
expositions-1773	171	40	fo	fo	ADP
expositions-1773	171	41	the	the	DET
expositions-1773	171	42	si	si	NOUN
expositions-1773	171	43	and	and	CCONJ
expositions-1773	171	44	o	o	NOUN
expositions-1773	171	45	to	to	ADP
expositions-1773	171	46	first	first	PROPN
expositions-1773	171	47	appr	appr	PROPN
expositions-1773	171	48	ition	ition	NOUN
expositions-1773	171	49	of	of	ADP
expositions-1773	171	50	the	the	DET
expositions-1773	171	51	ochemical	ochemical	ADJ
expositions-1773	171	52	e	e	NOUN
expositions-1773	171	53	as	as	ADP
expositions-1773	171	54	slowly	slowly	ADV
expositions-1773	171	55	,	,	PUNCT
expositions-1773	171	56	gr	gr	PROPN
expositions-1773	171	57	y	y	PROPN
expositions-1773	171	58	simplified	simplify	VERB
expositions-1773	171	59	uartz	uartz	ADJ
expositions-1773	171	60	-	-	PUNCT
expositions-1773	171	61	free	free	ADJ
expositions-1773	171	62	ma	ma	PROPN
expositions-1773	171	63	th	th	PROPN
expositions-1773	171	64	the	the	DET
expositions-1773	171	65	mid	mid	PROPN
expositions-1773	171	66	-	-	PROPN
expositions-1773	171	67	o	o	NOUN
expositions-1773	171	68	n	n	CCONJ
expositions-1773	171	69	,	,	PUNCT
expositions-1773	171	70	richer	rich	ADJ
expositions-1773	171	71	in	in	ADP
expositions-1773	171	72	laterally	laterally	ADV
expositions-1773	171	73	in	in	ADP
expositions-1773	171	74	b	b	PROPN
expositions-1773	171	75	c	c	PROPN
expositions-1773	171	76	ocean	ocean	PROPN
expositions-1773	171	77	cru	cru	PROPN
expositions-1773	171	78	d	d	X
expositions-1773	171	79	down	down	ADP
expositions-1773	171	80	alon	alon	PROPN
expositions-1773	171	81	is	be	AUX
expositions-1773	171	82	further	furth	ADJ
expositions-1773	171	83	co	co	VERB
expositions-1773	171	84	anoes	anoe	NOUN
expositions-1773	171	85	like	like	ADP
expositions-1773	171	86	th	th	PROPN
expositions-1773	171	87	al	al	PROPN
expositions-1773	171	88	icon	icon	PROPN
expositions-1773	171	89	,	,	PUNCT
expositions-1773	171	90	and	and	CCONJ
expositions-1773	171	91	oxy	oxy	PROPN
expositions-1773	171	92	formed	form	VERB
expositions-1773	171	93	,	,	PUNCT
expositions-1773	171	94	but	but	CCONJ
expositions-1773	171	95	t	t	PROPN
expositions-1773	171	96	o	o	NOUN
expositions-1773	171	97	were	be	AUX
expositions-1773	171	98	comb	comb	NOUN
expositions-1773	171	99	roximation	roximation	NOUN
expositions-1773	171	100	,	,	PUNCT
expositions-1773	171	101	mineral	mineral	NOUN
expositions-1773	171	102	oli	oli	ADJ
expositions-1773	171	103	evolution	evolution	NOUN
expositions-1773	171	104	.	.	PUNCT
expositions-1773	172	1	fo	fo	ADP
expositions-1773	172	2	radually	radually	ADV
expositions-1773	172	3	extr	extr	PROPN
expositions-1773	172	4	summary	summary	NOUN
expositions-1773	172	5	,	,	PUNCT
expositions-1773	172	6	ar	ar	NOUN
expositions-1773	172	7	  	  	SPACE
expositions-1773	172	8	antle	antle	ADJ
expositions-1773	172	9	rock	rock	NOUN
expositions-1773	172	10	int	int	PROPN
expositions-1773	172	11	ocean	ocean	PROPN
expositions-1773	172	12	ridges	ridge	NOUN
expositions-1773	172	13	sio2	sio2	PROPN
expositions-1773	172	14	though	though	SCONJ
expositions-1773	172	15	both	both	PRON
expositions-1773	172	16	directio	directio	PROPN
expositions-1773	172	17	st	st	PROPN
expositions-1773	172	18	,	,	PUNCT
expositions-1773	172	19	now	now	ADV
expositions-1773	172	20	cold	cold	ADJ
expositions-1773	172	21	ng	ng	PROPN
expositions-1773	172	22	with	with	ADP
expositions-1773	172	23	the	the	DET
expositions-1773	172	24	b	b	PROPN
expositions-1773	172	25	oncentrated	oncentrate	VERB
expositions-1773	172	26	i	i	PRON
expositions-1773	172	27	hose	hose	PROPN
expositions-1773	172	28	of	of	ADP
expositions-1773	172	29	japan	japan	PROPN
expositions-1773	172	30	lvarez	lvarez	PROPN
expositions-1773	172	31	ygen	ygen	PROPN
expositions-1773	172	32	.	.	PUNCT
expositions-1773	173	1	that	that	PRON
expositions-1773	173	2	is	be	AUX
expositions-1773	173	3	bined	bin	VERB
expositions-1773	173	4	earth	earth	NOUN
expositions-1773	173	5	ivine	ivine	NOUN
expositions-1773	173	6	,	,	PUNCT
expositions-1773	173	7	or	or	CCONJ
expositions-1773	173	8	4.5	4.5	NUM
expositions-1773	173	9	racted	racte	VERB
expositions-1773	173	10	re	re	ADP
expositions-1773	173	11	the	the	PRON
expositions-1773	173	12	to	to	ADP
expositions-1773	173	13	the	the	DET
expositions-1773	173	14	s	s	NOUN
expositions-1773	173	15	,	,	PUNCT
expositions-1773	173	16	and	and	CCONJ
expositions-1773	173	17	h	h	NOUN
expositions-1773	173	18	still	still	ADV
expositions-1773	173	19	ons	ons	PROPN
expositions-1773	173	20	as	as	ADP
expositions-1773	173	21	d	d	PROPN
expositions-1773	173	22	and	and	CCONJ
expositions-1773	173	23	basalt	basalt	NOUN
expositions-1773	173	24	in	in	ADP
expositions-1773	173	25	the	the	DET
expositions-1773	173	26	n	n	NOUN
expositions-1773	173	27	,	,	PUNCT
expositions-1773	173	28	the	the	PRON
expositions-1773	173	29	we	we	PRON
expositions-1773	173	30	are	be	AUX
expositions-1773	173	31	s	s	NOUN
expositions-1773	173	32	  	  	SPACE
expositions-1773	173	33	andes	ande	NOUN
expositions-1773	173	34	,	,	PUNCT
expositions-1773	173	35	a	a	DET
expositions-1773	173	36	grained	grain	VERB
expositions-1773	173	37	g	g	NOUN
expositions-1773	173	38	contain	contain	VERB
expositions-1773	173	39	s	s	PRON
expositions-1773	173	40	fourth	fourth	ADJ
expositions-1773	173	41	finished	finished	ADJ
expositions-1773	173	42	feldspar	feldspar	NOUN
expositions-1773	173	43	.	.	PUNCT
expositions-1773	173	44	  	  	SPACE
expositions-1773	174	1	yosem	yosem	NOUN
expositions-1773	174	2	at	at	ADP
expositions-1773	174	3	en.w	en.w	NOUN
expositions-1773	174	4	  	  	SPACE
expositions-1773	174	5	up	up	ADP
expositions-1773	174	6	to	to	PART
expositions-1773	174	7	thi	thi	VERB
expositions-1773	174	8	through	through	ADP
expositions-1773	174	9	behind	behind	ADP
expositions-1773	174	10	.	.	PUNCT
expositions-1773	175	1	t	t	PROPN
expositions-1773	175	2	surface	surface	NOUN
expositions-1773	175	3	—	—	PUNCT
expositions-1773	175	4	minerals	mineral	NOUN
expositions-1773	175	5	are	be	AUX
expositions-1773	175	6	not	not	PART
expositions-1773	175	7	s	s	PRON
expositions-1773	175	8	are	be	AUX
expositions-1773	175	9	easily	easily	ADV
expositions-1773	175	10	extremely	extremely	ADV
expositions-1773	175	11	and	and	CCONJ
expositions-1773	175	12	beac	beac	NUM
expositions-1773	175	13	around	around	ADP
expositions-1773	175	14	th	th	X
expositions-1773	175	15	stardust	stardust	NOUN
expositions-1773	175	16	…	…	PUNCT
expositions-1773	175	17	co	co	NOUN
expositions-1773	175	18	and	and	CCONJ
expositions-1773	175	19	the	the	DET
expositions-1773	175	20	casc	casc	PROPN
expositions-1773	175	21	granitic	granitic	PROPN
expositions-1773	175	22	rock	rock	NOUN
expositions-1773	175	23	some	some	DET
expositions-1773	175	24	crystals	crystal	NOUN
expositions-1773	175	25	h	h	NOUN
expositions-1773	175	26	,	,	PUNCT
expositions-1773	175	27	uplift	uplift	VERB
expositions-1773	175	28	and	and	CCONJ
expositions-1773	175	29	the	the	DET
expositions-1773	175	30	job	job	NOUN
expositions-1773	175	31	,	,	PUNCT
expositions-1773	175	32	but	but	CCONJ
expositions-1773	175	33	it	it	PRON
expositions-1773	175	34	is	be	AUX
expositions-1773	175	35	time	time	NOUN
expositions-1773	175	36	to	to	PART
expositions-1773	175	37	mite	mite	VERB
expositions-1773	175	38	:	:	PUNCT
expositions-1773	175	39	a	a	DET
expositions-1773	175	40	sea	sea	NOUN
expositions-1773	175	41	of	of	ADP
expositions-1773	175	42	wikipedia	wikipedia	PROPN
expositions-1773	175	43	)	)	PUNCT
expositions-1773	175	44	.	.	PUNCT
expositions-1773	176	1	is	be	AUX
expositions-1773	176	2	point	point	NOUN
expositions-1773	176	3	,	,	PUNCT
expositions-1773	177	1	all	all	DET
expositions-1773	177	2	o	o	NOUN
expositions-1773	177	3	magmatic	magmatic	ADJ
expositions-1773	177	4	p	p	NOUN
expositions-1773	177	5	the	the	DET
expositions-1773	177	6	fifth	fifth	ADJ
expositions-1773	177	7	and	and	CCONJ
expositions-1773	177	8	—	—	PUNCT
expositions-1773	177	9	the	the	DET
expositions-1773	177	10	same	same	ADJ
expositions-1773	177	11	m	m	NOUN
expositions-1773	177	12	in	in	ADP
expositions-1773	177	13	granite	granite	NOUN
expositions-1773	177	14	d	d	PROPN
expositions-1773	177	15	stable	stable	ADJ
expositions-1773	177	16	chemi	chemi	NOUN
expositions-1773	177	17	y	y	PROPN
expositions-1773	177	18	carried	carry	VERB
expositions-1773	177	19	aw	aw	INTJ
expositions-1773	177	20	y	y	PROPN
expositions-1773	177	21	stable	stable	ADJ
expositions-1773	177	22	and	and	CCONJ
expositions-1773	177	23	ches	che	NOUN
expositions-1773	177	24	,	,	PUNCT
expositions-1773	178	1	that	that	SCONJ
expositions-1773	178	2	ma	ma	PROPN
expositions-1773	179	1	he	he	PRON
expositions-1773	179	2	world	world	VERB
expositions-1773	179	3	the	the	DET
expositions-1773	179	4	oncentrated	oncentrate	VERB
expositions-1773	179	5	by	by	ADP
expositions-1773	179	6	cades	cades	PROPN
expositions-1773	179	7	of	of	ADP
expositions-1773	179	8	wa	wa	PROPN
expositions-1773	179	9	ks	ks	PROPN
expositions-1773	179	10	as	as	SCONJ
expositions-1773	179	11	we	we	PRON
expositions-1773	179	12	se	se	X
expositions-1773	179	13	s	s	VERB
expositions-1773	179	14	of	of	ADP
expositions-1773	179	15	quartz	quartz	NOUN
expositions-1773	179	16	,	,	PUNCT
expositions-1773	179	17	a	a	DET
expositions-1773	179	18	erosion	erosion	NOUN
expositions-1773	179	19	eve	eve	NOUN
expositions-1773	179	20	t	t	PROPN
expositions-1773	179	21	the	the	DET
expositions-1773	179	22	quartz	quartz	NOUN
expositions-1773	179	23	purify	purify	VERB
expositions-1773	179	24	the	the	DET
expositions-1773	179	25	q	q	X
expositions-1773	179	26	f	f	PROPN
expositions-1773	179	27	granitic	granitic	ADJ
expositions-1773	179	28	rock	rock	NOUN
expositions-1773	179	29	of	of	ADP
expositions-1773	179	30	the	the	DET
expositions-1773	179	31	silica	silica	NOUN
expositions-1773	179	32	processes	process	VERB
expositions-1773	179	33	tha	tha	NOUN
expositions-1773	180	1	d	d	ADP
expositions-1773	180	2	final	final	ADJ
expositions-1773	180	3	step	step	NOUN
expositions-1773	180	4	i	i	PRON
expositions-1773	180	5	mechanism	mechanism	NOUN
expositions-1773	180	6	decay	decay	VERB
expositions-1773	180	7	and	and	CCONJ
expositions-1773	180	8	are	be	AUX
expositions-1773	180	9	cally	cally	ADV
expositions-1773	180	10	at	at	ADP
expositions-1773	180	11	the	the	DET
expositions-1773	180	12	way	way	NOUN
expositions-1773	180	13	by	by	ADP
expositions-1773	180	14	water	water	NOUN
expositions-1773	180	15	d	d	PROPN
expositions-1773	180	16	endure	endure	VERB
expositions-1773	180	17	pre	pre	VERB
expositions-1773	180	18	ay	ay	NOUN
expositions-1773	180	19	be	be	AUX
expositions-1773	180	20	nearly	nearly	ADV
expositions-1773	180	21	se	se	ADV
expositions-1773	180	22	great	great	ADJ
expositions-1773	180	23	sand	sand	NOUN
expositions-1773	180	24	y	y	NOUN
expositions-1773	180	25	earth	earth	NOUN
expositions-1773	180	26	!	!	PUNCT
expositions-1773	181	1	ashington	ashington	PROPN
expositions-1773	181	2	an	an	DET
expositions-1773	181	3	e	e	NOUN
expositions-1773	181	4	in	in	ADP
expositions-1773	181	5	the	the	DET
expositions-1773	181	6	sie	sie	PROPN
expositions-1773	181	7	and	and	CCONJ
expositions-1773	181	8	the	the	DET
expositions-1773	181	9	gran	gran	NOUN
expositions-1773	181	10	entually	entually	ADV
expositions-1773	181	11	brin	brin	PROPN
expositions-1773	181	12	in	in	ADP
expositions-1773	181	13	the	the	DET
expositions-1773	181	14	gran	gran	PROPN
expositions-1773	181	15	quartz	quartz	NOUN
expositions-1773	181	16	.	.	PUNCT
expositions-1773	181	17	  	  	SPACE
expositions-1773	182	1	ks	ks	NOUN
expositions-1773	182	2	,	,	PUNCT
expositions-1773	182	3	uplifted	uplift	VERB
expositions-1773	182	4	an	an	DET
expositions-1773	182	5	enrichment	enrichment	NOUN
expositions-1773	182	6	at	at	ADP
expositions-1773	182	7	concentra	concentra	PROPN
expositions-1773	182	8	s	s	VERB
expositions-1773	182	9	completely	completely	ADV
expositions-1773	182	10	that	that	SCONJ
expositions-1773	182	11	produc	produc	PROPN
expositions-1773	182	12	e	e	PROPN
expositions-1773	182	13	converted	convert	VERB
expositions-1773	182	14	earth	earth	NOUN
expositions-1773	182	15	’s	’s	PART
expositions-1773	182	16	surf	surf	NOUN
expositions-1773	182	17	r	r	NOUN
expositions-1773	182	18	and	and	CCONJ
expositions-1773	182	19	wind	wind	NOUN
expositions-1773	182	20	,	,	PUNCT
expositions-1773	182	21	etty	etty	PROPN
expositions-1773	183	1	much	much	ADV
expositions-1773	183	2	fo	fo	ADP
expositions-1773	183	3	y	y	PROPN
expositions-1773	183	4	pure	pure	ADJ
expositions-1773	183	5	quartz	quartz	NOUN
expositions-1773	184	1	d	d	PROPN
expositions-1773	184	2	deposits	deposit	NOUN
expositions-1773	184	3	ar	ar	PROPN
expositions-1773	184	4	nd	nd	NOUN
expositions-1773	184	5	oregon	oregon	PROPN
expositions-1773	184	6	,	,	PUNCT
expositions-1773	184	7	o	o	PROPN
expositions-1773	184	8	erra	erra	PROPN
expositions-1773	184	9	nevada	nevada	PROPN
expositions-1773	184	10	nitic	nitic	PROPN
expositions-1773	184	11	rocks	rocks	PROPN
expositions-1773	184	12	ar	ar	PROPN
expositions-1773	184	13	ng	ng	PROPN
expositions-1773	185	1	the	the	DET
expositions-1773	185	2	granit	granit	PROPN
expositions-1773	185	3	nitic	nitic	PROPN
expositions-1773	185	4	rocks	rocks	PROPN
expositions-1773	185	5	is	be	AUX
expositions-1773	185	6	nd	nd	ADV
expositions-1773	185	7	eroding	erode	VERB
expositions-1773	185	8	,	,	PUNCT
expositions-1773	185	9	g	g	PROPN
expositions-1773	185	10	has	have	AUX
expositions-1773	185	11	taken	take	VERB
expositions-1773	185	12	pl	pl	NUM
expositions-1773	185	13	ate	ate	NOUN
expositions-1773	185	14	silica	silica	NOUN
expositions-1773	185	15	in	in	ADP
expositions-1773	185	16	y	y	PROPN
expositions-1773	185	17	different	different	ADJ
expositions-1773	185	18	,	,	PUNCT
expositions-1773	185	19	i	i	PRON
expositions-1773	185	20	es	es	VERB
expositions-1773	185	21	soil	soil	NOUN
expositions-1773	185	22	.	.	PUNCT
expositions-1773	186	1	dur	dur	PROPN
expositions-1773	186	2	to	to	ADP
expositions-1773	186	3	clay	clay	NOUN
expositions-1773	186	4	,	,	PUNCT
expositions-1773	186	5	espe	espe	NOUN
expositions-1773	186	6	face	face	NOUN
expositions-1773	186	7	.	.	PUNCT
expositions-1773	187	1	clay	clay	NOUN
expositions-1773	187	2	m	m	AUX
expositions-1773	187	3	leaving	leave	VERB
expositions-1773	187	4	the	the	DET
expositions-1773	187	5	orever	orever	NOUN
expositions-1773	187	6	,	,	PUNCT
expositions-1773	187	7	accu	accu	PROPN
expositions-1773	187	8	z.	z.	PROPN
expositions-1773	187	9	earth	earth	PROPN
expositions-1773	187	10	has	have	AUX
expositions-1773	187	11	re	re	VERB
expositions-1773	187	12	quarried	quarried	ADJ
expositions-1773	187	13	f	f	NOUN
expositions-1773	187	14	or	or	CCONJ
expositions-1773	187	15	cools	cool	VERB
expositions-1773	187	16	slow	slow	ADV
expositions-1773	187	17	a	a	PRON
expositions-1773	187	18	of	of	ADP
expositions-1773	187	19	californ	californ	ADJ
expositions-1773	187	20	re	re	VERB
expositions-1773	187	21	rich	rich	ADJ
expositions-1773	187	22	in	in	ADP
expositions-1773	187	23	coa	coa	PROPN
expositions-1773	187	24	tic	tic	ADJ
expositions-1773	187	25	rocks	rock	NOUN
expositions-1773	187	26	to	to	ADP
expositions-1773	187	27	t	t	PROPN
expositions-1773	187	28	s	s	PART
expositions-1773	187	29	mixed	mixed	ADJ
expositions-1773	187	30	wit	wit	NOUN
expositions-1773	187	31	giving	give	VERB
expositions-1773	187	32	quartzlace	quartzlace	NOUN
expositions-1773	187	33	at	at	ADP
expositions-1773	187	34	high	high	ADV
expositions-1773	187	35	the	the	DET
expositions-1773	187	36	melt	melt	NOUN
expositions-1773	187	37	an	an	DET
expositions-1773	187	38	involving	involve	VERB
expositions-1773	187	39	ch	ch	NOUN
expositions-1773	187	40	ring	ring	NOUN
expositions-1773	187	41	weathe	weathe	DET
expositions-1773	187	42	ecially	ecially	ADV
expositions-1773	187	43	in	in	ADP
expositions-1773	187	44	ho	ho	ADJ
expositions-1773	187	45	minerals	mineral	NOUN
expositions-1773	187	46	occu	occu	ADJ
expositions-1773	187	47	quartz	quartz	NOUN
expositions-1773	187	48	behi	behi	NOUN
expositions-1773	187	49	umulating	umulate	VERB
expositions-1773	187	50	in	in	ADP
expositions-1773	187	51	s	s	PRON
expositions-1773	187	52	completed	complete	VERB
expositions-1773	187	53	for	for	ADP
expositions-1773	187	54	the	the	DET
expositions-1773	187	55	quartz	quartz	NOUN
expositions-1773	187	56	wly	wly	NOUN
expositions-1773	187	57	at	at	ADP
expositions-1773	187	58	depth	depth	NOUN
expositions-1773	187	59	nia	nia	PROPN
expositions-1773	187	60	.	.	PUNCT
expositions-1773	188	1	the	the	DET
expositions-1773	188	2	vol	vol	NOUN
expositions-1773	188	3	arse	arse	NOUN
expositions-1773	188	4	grains	grain	NOUN
expositions-1773	188	5	o	o	NOUN
expositions-1773	188	6	the	the	DET
expositions-1773	188	7	surface	surface	NOUN
expositions-1773	188	8	.	.	PUNCT
expositions-1773	189	1	th	th	X
expositions-1773	189	2	other	other	ADJ
expositions-1773	189	3	min	min	PROPN
expositions-1773	189	4	  	  	SPACE
expositions-1773	189	5	rich	rich	ADJ
expositions-1773	189	6	sand	sand	NOUN
expositions-1773	189	7	(	(	PUNCT
expositions-1773	189	8	ph	ph	NOUN
expositions-1773	189	9	temperature	temperature	NOUN
expositions-1773	189	10	nd	nd	PRON
expositions-1773	189	11	leave	leave	VERB
expositions-1773	189	12	sili	sili	PROPN
expositions-1773	189	13	hemical	hemical	PROPN
expositions-1773	189	14	weat	weat	PROPN
expositions-1773	189	15	ering	ering	PROPN
expositions-1773	189	16	,	,	PUNCT
expositions-1773	189	17	the	the	DET
expositions-1773	189	18	fe	fe	X
expositions-1773	189	19	ot	ot	NOUN
expositions-1773	189	20	,	,	PUNCT
expositions-1773	189	21	wet	wet	ADJ
expositions-1773	189	22	clima	clima	PROPN
expositions-1773	189	23	ur	ur	PROPN
expositions-1773	189	24	as	as	ADP
expositions-1773	189	25	very	very	ADV
expositions-1773	189	26	ti	ti	X
expositions-1773	189	27	ind	ind	NOUN
expositions-1773	189	28	.	.	PUNCT
expositions-1773	190	1	the	the	DET
expositions-1773	190	2	gra	gra	PROPN
expositions-1773	190	3	n	n	PRON
expositions-1773	190	4	sand	sand	NOUN
expositions-1773	190	5	dunes	dun	VERB
expositions-1773	190	6	the	the	DET
expositions-1773	190	7	job	job	NOUN
expositions-1773	190	8	,	,	PUNCT
expositions-1773	190	9	and	and	CCONJ
expositions-1773	190	10	z	z	NOUN
expositions-1773	190	11	used	use	VERB
expositions-1773	190	12	to	to	ADP
expositions-1773	190	13	ma	ma	PROPN
expositions-1773	190	14	h	h	PROPN
expositions-1773	190	15	to	to	PART
expositions-1773	190	16	form	form	VERB
expositions-1773	190	17	co	co	X
expositions-1773	190	18	lcanic	lcanic	ADJ
expositions-1773	190	19	rocks	rock	NOUN
expositions-1773	190	20	of	of	ADP
expositions-1773	190	21	quartz	quartz	PROPN
expositions-1773	190	22	.	.	PUNCT
expositions-1773	191	1	earth	earth	PROPN
expositions-1773	191	2	has	have	VERB
expositions-1773	191	3	al	al	PROPN
expositions-1773	191	4	nerals	neral	NOUN
expositions-1773	191	5	,	,	PUNCT
expositions-1773	191	6	espec	espec	PROPN
expositions-1773	191	7	hoto	hoto	PROPN
expositions-1773	191	8	by	by	ADP
expositions-1773	191	9	starli	starli	PROPN
expositions-1773	191	10	es	es	PROPN
expositions-1773	191	11	inside	inside	ADP
expositions-1773	191	12	the	the	DET
expositions-1773	191	13	ica	ica	PROPN
expositions-1773	191	14	-	-	PUNCT
expositions-1773	191	15	poor	poor	ADJ
expositions-1773	191	16	res	re	NOUN
expositions-1773	191	17	thering	there	VERB
expositions-1773	191	18	at	at	ADP
expositions-1773	191	19	ea	ea	X
expositions-1773	191	20	eldspar	eldspar	NOUN
expositions-1773	191	21	and	and	CCONJ
expositions-1773	191	22	ates	ate	NOUN
expositions-1773	191	23	,	,	PUNCT
expositions-1773	191	24	because	because	SCONJ
expositions-1773	191	25	iny	iny	ADJ
expositions-1773	191	26	grains	grain	NOUN
expositions-1773	191	27	,	,	PUNCT
expositions-1773	191	28	w	w	NOUN
expositions-1773	191	29	ains	ain	NOUN
expositions-1773	191	30	of	of	ADP
expositions-1773	191	31	quart	quart	NOUN
expositions-1773	191	32	s	s	PROPN
expositions-1773	191	33	,	,	PUNCT
expositions-1773	191	34	river	river	NOUN
expositions-1773	191	35	chan	chan	NOUN
expositions-1773	191	36	d	d	NOUN
expositions-1773	191	37	in	in	ADP
expositions-1773	191	38	many	many	ADJ
expositions-1773	191	39	p	p	NOUN
expositions-1773	191	40	ake	ake	NOUN
expositions-1773	191	41	glass.6	glass.6	PROPN
expositions-1773	191	42	80	80	NUM
expositions-1773	191	43	  	  	SPACE
expositions-1773	191	44	oarse	oarse	NOUN
expositions-1773	191	45	may	may	AUX
expositions-1773	191	46	lmost	lmost	AUX
expositions-1773	191	47	cially	cially	ADV
expositions-1773	191	48	ingjon	ingjon	PROPN
expositions-1773	191	49	earth	earth	PROPN
expositions-1773	191	50	sidues	sidue	VERB
expositions-1773	191	51	arth	arth	ADV
expositions-1773	191	52	’s	’s	PART
expositions-1773	191	53	other	other	ADJ
expositions-1773	191	54	e	e	NOUN
expositions-1773	191	55	they	they	PRON
expositions-1773	191	56	which	which	DET
expositions-1773	191	57	tz	tz	NOUN
expositions-1773	191	58	are	be	AUX
expositions-1773	191	59	nnels	nnel	NOUN
expositions-1773	191	60	,	,	PUNCT
expositions-1773	191	61	places	place	VERB
expositions-1773	191	62	81	81	NUM
expositions-1773	191	63	alvarez	alvarez	PROPN
expositions-1773	191	64	  	  	SPACE
expositions-1773	191	65	a	a	DET
expositions-1773	191	66	sand	sand	NOUN
expositions-1773	191	67	grain	grain	NOUN
expositions-1773	191	68	’s	’s	PART
expositions-1773	191	69	story	story	NOUN
expositions-1773	191	70	the	the	DET
expositions-1773	191	71	accumulation	accumulation	NOUN
expositions-1773	191	72	of	of	ADP
expositions-1773	191	73	quartz	quartz	NOUN
expositions-1773	191	74	sand	sand	NOUN
expositions-1773	191	75	on	on	ADP
expositions-1773	191	76	the	the	DET
expositions-1773	191	77	earth	earth	NOUN
expositions-1773	191	78	’s	’s	PART
expositions-1773	191	79	surface	surface	NOUN
expositions-1773	191	80	can	can	AUX
expositions-1773	191	81	involve	involve	VERB
expositions-1773	191	82	intricate	intricate	ADJ
expositions-1773	191	83	and	and	CCONJ
expositions-1773	191	84	fascinating	fascinating	ADJ
expositions-1773	191	85	stories	story	NOUN
expositions-1773	191	86	.	.	PUNCT
expositions-1773	192	1	one	one	NUM
expositions-1773	192	2	example	example	NOUN
expositions-1773	192	3	is	be	AUX
expositions-1773	192	4	a	a	DET
expositions-1773	192	5	remarkable	remarkable	ADJ
expositions-1773	192	6	discovery	discovery	NOUN
expositions-1773	192	7	by	by	ADP
expositions-1773	192	8	william	william	PROPN
expositions-1773	192	9	dickinson	dickinson	PROPN
expositions-1773	192	10	and	and	CCONJ
expositions-1773	192	11	george	george	PROPN
expositions-1773	192	12	gehrels	gehrel	NOUN
expositions-1773	192	13	of	of	ADP
expositions-1773	192	14	the	the	DET
expositions-1773	192	15	university	university	PROPN
expositions-1773	192	16	of	of	ADP
expositions-1773	192	17	arizona	arizona	PROPN
expositions-1773	192	18	(	(	PUNCT
expositions-1773	192	19	dickinson	dickinson	NOUN
expositions-1773	192	20	and	and	CCONJ
expositions-1773	192	21	gehrels	gehrel	NOUN
expositions-1773	192	22	2009	2009	NUM
expositions-1773	192	23	)	)	PUNCT
expositions-1773	192	24	.	.	PUNCT
expositions-1773	193	1	anyone	anyone	PRON
expositions-1773	193	2	who	who	PRON
expositions-1773	193	3	has	have	AUX
expositions-1773	193	4	visited	visit	VERB
expositions-1773	193	5	the	the	DET
expositions-1773	193	6	colorado	colorado	NOUN
expositions-1773	193	7	plateau	plateau	NOUN
expositions-1773	193	8	of	of	ADP
expositions-1773	193	9	southeastern	southeastern	ADJ
expositions-1773	193	10	utah	utah	PROPN
expositions-1773	193	11	will	will	AUX
expositions-1773	193	12	remember	remember	VERB
expositions-1773	193	13	the	the	DET
expositions-1773	193	14	great	great	ADJ
expositions-1773	193	15	cliffs	cliff	NOUN
expositions-1773	193	16	of	of	ADP
expositions-1773	193	17	arches	arch	NOUN
expositions-1773	193	18	and	and	CCONJ
expositions-1773	193	19	canyonlands	canyonland	VERB
expositions-1773	193	20	national	national	PROPN
expositions-1773	193	21	parks	park	NOUN
expositions-1773	193	22	,	,	PUNCT
expositions-1773	193	23	marking	mark	VERB
expositions-1773	193	24	thick	thick	ADJ
expositions-1773	193	25	sheets	sheet	NOUN
expositions-1773	193	26	of	of	ADP
expositions-1773	193	27	ancient	ancient	ADJ
expositions-1773	193	28	sand	sand	NOUN
expositions-1773	193	29	that	that	PRON
expositions-1773	193	30	was	be	AUX
expositions-1773	193	31	deposited	deposit	VERB
expositions-1773	193	32	as	as	ADP
expositions-1773	193	33	dunes	dune	NOUN
expositions-1773	193	34	,	,	PUNCT
expositions-1773	193	35	in	in	ADP
expositions-1773	193	36	a	a	DET
expositions-1773	193	37	former	former	ADJ
expositions-1773	193	38	landscape	landscape	NOUN
expositions-1773	193	39	much	much	ADV
expositions-1773	193	40	like	like	ADP
expositions-1773	193	41	the	the	DET
expositions-1773	193	42	modern	modern	ADJ
expositions-1773	193	43	sahara	sahara	PROPN
expositions-1773	193	44	desert	desert	PROPN
expositions-1773	193	45	.	.	PUNCT
expositions-1773	194	1	sloping	slope	VERB
expositions-1773	194	2	layers	layer	NOUN
expositions-1773	194	3	in	in	ADP
expositions-1773	194	4	the	the	DET
expositions-1773	194	5	sandstone	sandstone	NOUN
expositions-1773	194	6	mark	mark	NOUN
expositions-1773	194	7	ancient	ancient	ADJ
expositions-1773	194	8	faces	face	NOUN
expositions-1773	194	9	of	of	ADP
expositions-1773	194	10	dunes	dune	NOUN
expositions-1773	194	11	,	,	PUNCT
expositions-1773	194	12	telling	tell	VERB
expositions-1773	194	13	the	the	DET
expositions-1773	194	14	wind	wind	NOUN
expositions-1773	194	15	direction	direction	NOUN
expositions-1773	194	16	when	when	SCONJ
expositions-1773	194	17	they	they	PRON
expositions-1773	194	18	were	be	AUX
expositions-1773	194	19	deposited	deposit	VERB
expositions-1773	194	20	,	,	PUNCT
expositions-1773	194	21	so	so	SCONJ
expositions-1773	194	22	geologists	geologist	NOUN
expositions-1773	194	23	have	have	AUX
expositions-1773	194	24	long	long	ADV
expositions-1773	194	25	known	know	VERB
expositions-1773	194	26	that	that	SCONJ
expositions-1773	194	27	the	the	DET
expositions-1773	194	28	ancient	ancient	ADJ
expositions-1773	194	29	wind	wind	NOUN
expositions-1773	194	30	was	be	AUX
expositions-1773	194	31	blowing	blow	VERB
expositions-1773	194	32	dominantly	dominantly	ADV
expositions-1773	194	33	from	from	ADP
expositions-1773	194	34	the	the	DET
expositions-1773	194	35	north	north	NOUN
expositions-1773	194	36	and	and	CCONJ
expositions-1773	194	37	that	that	SCONJ
expositions-1773	194	38	the	the	DET
expositions-1773	194	39	sand	sand	NOUN
expositions-1773	194	40	grains	grain	NOUN
expositions-1773	194	41	in	in	ADP
expositions-1773	194	42	these	these	DET
expositions-1773	194	43	dunes	dune	NOUN
expositions-1773	194	44	were	be	AUX
expositions-1773	194	45	blown	blow	VERB
expositions-1773	194	46	from	from	ADP
expositions-1773	194	47	wyoming	wyoming	PROPN
expositions-1773	194	48	south	south	PROPN
expositions-1773	194	49	to	to	ADP
expositions-1773	194	50	utah	utah	PROPN
expositions-1773	194	51	.	.	PUNCT
expositions-1773	195	1	almost	almost	ADV
expositions-1773	195	2	all	all	PRON
expositions-1773	195	3	of	of	ADP
expositions-1773	195	4	the	the	DET
expositions-1773	195	5	sand	sand	NOUN
expositions-1773	195	6	grains	grain	NOUN
expositions-1773	195	7	in	in	ADP
expositions-1773	195	8	these	these	DET
expositions-1773	195	9	ancient	ancient	ADJ
expositions-1773	195	10	dune	dune	NOUN
expositions-1773	195	11	deposits	deposit	NOUN
expositions-1773	195	12	are	be	AUX
expositions-1773	195	13	quartz	quartz	NOUN
expositions-1773	195	14	,	,	PUNCT
expositions-1773	195	15	but	but	CCONJ
expositions-1773	195	16	a	a	DET
expositions-1773	195	17	very	very	ADV
expositions-1773	195	18	small	small	ADJ
expositions-1773	195	19	fraction	fraction	NOUN
expositions-1773	195	20	of	of	ADP
expositions-1773	195	21	the	the	DET
expositions-1773	195	22	grains	grain	NOUN
expositions-1773	195	23	are	be	AUX
expositions-1773	195	24	the	the	DET
expositions-1773	195	25	mineral	mineral	NOUN
expositions-1773	195	26	zircon	zircon	PROPN
expositions-1773	195	27	.	.	PUNCT
expositions-1773	196	1	like	like	INTJ
expositions-1773	196	2	quartz	quartz	PROPN
expositions-1773	196	3	,	,	PUNCT
expositions-1773	196	4	zircon	zircon	PROPN
expositions-1773	196	5	is	be	AUX
expositions-1773	196	6	very	very	ADV
expositions-1773	196	7	resistant	resistant	ADJ
expositions-1773	196	8	to	to	ADP
expositions-1773	196	9	chemical	chemical	NOUN
expositions-1773	196	10	alteration	alteration	NOUN
expositions-1773	196	11	,	,	PUNCT
expositions-1773	196	12	so	so	CCONJ
expositions-1773	196	13	it	it	PRON
expositions-1773	196	14	lasts	last	VERB
expositions-1773	196	15	indefinitely	indefinitely	ADV
expositions-1773	196	16	,	,	PUNCT
expositions-1773	196	17	but	but	CCONJ
expositions-1773	196	18	unlike	unlike	ADP
expositions-1773	196	19	quartz	quartz	NOUN
expositions-1773	196	20	,	,	PUNCT
expositions-1773	196	21	zircon	zircon	PROPN
expositions-1773	196	22	can	can	AUX
expositions-1773	196	23	be	be	AUX
expositions-1773	196	24	dated	date	VERB
expositions-1773	196	25	,	,	PUNCT
expositions-1773	196	26	because	because	SCONJ
expositions-1773	196	27	it	it	PRON
expositions-1773	196	28	contains	contain	VERB
expositions-1773	196	29	a	a	DET
expositions-1773	196	30	little	little	ADJ
expositions-1773	196	31	uranium	uranium	NOUN
expositions-1773	196	32	which	which	PRON
expositions-1773	196	33	decays	decay	VERB
expositions-1773	196	34	radioactively	radioactively	ADV
expositions-1773	196	35	to	to	PART
expositions-1773	196	36	lead	lead	VERB
expositions-1773	196	37	.	.	PUNCT
expositions-1773	197	1	this	this	PRON
expositions-1773	197	2	in	in	ADP
expositions-1773	197	3	turn	turn	NOUN
expositions-1773	197	4	gives	give	VERB
expositions-1773	197	5	the	the	DET
expositions-1773	197	6	age	age	NOUN
expositions-1773	197	7	of	of	ADP
expositions-1773	197	8	the	the	DET
expositions-1773	197	9	granitic	granitic	ADJ
expositions-1773	197	10	source	source	NOUN
expositions-1773	197	11	rocks	rock	NOUN
expositions-1773	197	12	from	from	ADP
expositions-1773	197	13	which	which	PRON
expositions-1773	197	14	the	the	DET
expositions-1773	197	15	zircon	zircon	PROPN
expositions-1773	197	16	grains	grain	NOUN
expositions-1773	197	17	,	,	PUNCT
expositions-1773	197	18	as	as	ADV
expositions-1773	197	19	well	well	ADV
expositions-1773	197	20	as	as	ADP
expositions-1773	197	21	the	the	DET
expositions-1773	197	22	quartz	quartz	NOUN
expositions-1773	197	23	,	,	PUNCT
expositions-1773	197	24	were	be	AUX
expositions-1773	197	25	derived	derive	VERB
expositions-1773	197	26	.	.	PUNCT
expositions-1773	198	1	dickinson	dickinson	NOUN
expositions-1773	198	2	and	and	CCONJ
expositions-1773	198	3	gehrels	gehrel	NOUN
expositions-1773	198	4	dated	date	VERB
expositions-1773	198	5	more	more	ADJ
expositions-1773	198	6	than	than	ADP
expositions-1773	198	7	1600	1600	NUM
expositions-1773	198	8	zircon	zircon	PROPN
expositions-1773	198	9	grains	grain	NOUN
expositions-1773	198	10	from	from	ADP
expositions-1773	198	11	sandstones	sandstone	NOUN
expositions-1773	198	12	of	of	ADP
expositions-1773	198	13	the	the	DET
expositions-1773	198	14	colorado	colorado	NOUN
expositions-1773	198	15	plateau	plateau	NOUN
expositions-1773	198	16	,	,	PUNCT
expositions-1773	198	17	and	and	CCONJ
expositions-1773	198	18	to	to	ADP
expositions-1773	198	19	their	their	PRON
expositions-1773	198	20	surprise	surprise	NOUN
expositions-1773	198	21	the	the	DET
expositions-1773	198	22	ages	age	NOUN
expositions-1773	198	23	did	do	AUX
expositions-1773	198	24	not	not	PART
expositions-1773	198	25	correspond	correspond	VERB
expositions-1773	198	26	to	to	ADP
expositions-1773	198	27	any	any	DET
expositions-1773	198	28	source	source	NOUN
expositions-1773	198	29	rocks	rock	NOUN
expositions-1773	198	30	in	in	ADP
expositions-1773	198	31	wyoming	wyoming	PROPN
expositions-1773	198	32	,	,	PUNCT
expositions-1773	198	33	or	or	CCONJ
expositions-1773	198	34	to	to	ADP
expositions-1773	198	35	any	any	DET
expositions-1773	198	36	known	know	VERB
expositions-1773	198	37	rocks	rock	NOUN
expositions-1773	198	38	in	in	ADP
expositions-1773	198	39	western	western	ADJ
expositions-1773	198	40	north	north	PROPN
expositions-1773	198	41	america	america	PROPN
expositions-1773	198	42	.	.	PUNCT
expositions-1773	199	1	the	the	DET
expositions-1773	199	2	only	only	ADJ
expositions-1773	199	3	source	source	NOUN
expositions-1773	199	4	rocks	rock	NOUN
expositions-1773	199	5	of	of	ADP
expositions-1773	199	6	the	the	DET
expositions-1773	199	7	right	right	ADJ
expositions-1773	199	8	age	age	NOUN
expositions-1773	199	9	are	be	AUX
expositions-1773	199	10	in	in	ADP
expositions-1773	199	11	the	the	DET
expositions-1773	199	12	eastern	eastern	ADJ
expositions-1773	199	13	united	united	PROPN
expositions-1773	199	14	states	states	PROPN
expositions-1773	199	15	,	,	PUNCT
expositions-1773	199	16	in	in	ADP
expositions-1773	199	17	the	the	DET
expositions-1773	199	18	appalachian	appalachian	ADJ
expositions-1773	199	19	mountains	mountain	NOUN
expositions-1773	199	20	!	!	PUNCT
expositions-1773	200	1	but	but	CCONJ
expositions-1773	200	2	how	how	SCONJ
expositions-1773	200	3	could	could	AUX
expositions-1773	200	4	quartz	quartz	VERB
expositions-1773	200	5	from	from	ADP
expositions-1773	200	6	the	the	DET
expositions-1773	200	7	appalachians	appalachians	PROPN
expositions-1773	200	8	get	get	VERB
expositions-1773	200	9	into	into	ADP
expositions-1773	200	10	sand	sand	NOUN
expositions-1773	200	11	dunes	dune	NOUN
expositions-1773	200	12	on	on	ADP
expositions-1773	200	13	the	the	DET
expositions-1773	200	14	colorado	colorado	NOUN
expositions-1773	200	15	plateau	plateau	NOUN
expositions-1773	200	16	?	?	PUNCT
expositions-1773	201	1	it	it	PRON
expositions-1773	201	2	could	could	AUX
expositions-1773	201	3	not	not	PART
expositions-1773	201	4	happen	happen	VERB
expositions-1773	201	5	today	today	NOUN
expositions-1773	201	6	,	,	PUNCT
expositions-1773	201	7	because	because	SCONJ
expositions-1773	201	8	sand	sand	NOUN
expositions-1773	201	9	carried	carry	VERB
expositions-1773	201	10	westward	westward	ADV
expositions-1773	201	11	from	from	ADP
expositions-1773	201	12	the	the	DET
expositions-1773	201	13	appalachians	appalachians	PROPN
expositions-1773	201	14	by	by	ADP
expositions-1773	201	15	rivers	river	NOUN
expositions-1773	201	16	would	would	AUX
expositions-1773	201	17	end	end	VERB
expositions-1773	201	18	up	up	ADP
expositions-1773	201	19	in	in	ADP
expositions-1773	201	20	the	the	DET
expositions-1773	201	21	mississippi	mississippi	NOUN
expositions-1773	201	22	and	and	CCONJ
expositions-1773	201	23	then	then	ADV
expositions-1773	201	24	be	be	AUX
expositions-1773	201	25	carried	carry	VERB
expositions-1773	201	26	to	to	ADP
expositions-1773	201	27	the	the	DET
expositions-1773	201	28	gulf	gulf	PROPN
expositions-1773	201	29	of	of	ADP
expositions-1773	201	30	mexico	mexico	PROPN
expositions-1773	201	31	.	.	PUNCT
expositions-1773	202	1	prior	prior	ADV
expositions-1773	202	2	to	to	ADP
expositions-1773	202	3	that	that	PRON
expositions-1773	202	4	,	,	PUNCT
expositions-1773	202	5	in	in	ADP
expositions-1773	202	6	the	the	DET
expositions-1773	202	7	cretaceous	cretaceous	ADJ
expositions-1773	202	8	,	,	PUNCT
expositions-1773	202	9	the	the	DET
expositions-1773	202	10	interior	interior	NOUN
expositions-1773	202	11	of	of	ADP
expositions-1773	202	12	north	north	PROPN
expositions-1773	202	13	america	america	PROPN
expositions-1773	202	14	was	be	AUX
expositions-1773	202	15	submerged	submerge	VERB
expositions-1773	202	16	by	by	ADP
expositions-1773	202	17	a	a	DET
expositions-1773	202	18	wide	wide	ADJ
expositions-1773	202	19	,	,	PUNCT
expositions-1773	202	20	shallow	shallow	ADJ
expositions-1773	202	21	sea	sea	NOUN
expositions-1773	202	22	,	,	PUNCT
expositions-1773	202	23	and	and	CCONJ
expositions-1773	202	24	sand	sand	NOUN
expositions-1773	202	25	grains	grain	NOUN
expositions-1773	202	26	reaching	reach	VERB
expositions-1773	202	27	that	that	DET
expositions-1773	202	28	sea	sea	NOUN
expositions-1773	202	29	would	would	AUX
expositions-1773	202	30	stay	stay	VERB
expositions-1773	202	31	there	there	ADV
expositions-1773	202	32	,	,	PUNCT
expositions-1773	202	33	on	on	ADP
expositions-1773	202	34	the	the	DET
expositions-1773	202	35	sea	sea	NOUN
expositions-1773	202	36	floor	floor	NOUN
expositions-1773	202	37	.	.	PUNCT
expositions-1773	203	1	but	but	CCONJ
expositions-1773	203	2	in	in	ADP
expositions-1773	203	3	the	the	DET
expositions-1773	203	4	jurassic	jurassic	NOUN
expositions-1773	203	5	,	,	PUNCT
expositions-1773	203	6	about	about	ADV
expositions-1773	203	7	150–200	150–200	NUM
expositions-1773	203	8	million	million	NUM
expositions-1773	203	9	years	year	NOUN
expositions-1773	203	10	ago	ago	ADV
expositions-1773	203	11	,	,	PUNCT
expositions-1773	203	12	the	the	DET
expositions-1773	203	13	situation	situation	NOUN
expositions-1773	203	14	was	be	AUX
expositions-1773	203	15	different	different	ADJ
expositions-1773	203	16	,	,	PUNCT
expositions-1773	203	17	as	as	SCONJ
expositions-1773	203	18	dickinson	dickinson	NOUN
expositions-1773	203	19	and	and	CCONJ
expositions-1773	203	20	gehrels	gehrel	NOUN
expositions-1773	203	21	pointed	point	VERB
expositions-1773	203	22	out	out	ADP
expositions-1773	203	23	.	.	PUNCT
expositions-1773	204	1	rather	rather	ADV
expositions-1773	204	2	than	than	ADP
expositions-1773	204	3	the	the	DET
expositions-1773	204	4	present	present	ADJ
expositions-1773	204	5	geography	geography	NOUN
expositions-1773	204	6	,	,	PUNCT
expositions-1773	204	7	with	with	ADP
expositions-1773	204	8	the	the	DET
expositions-1773	204	9	low	low	ADJ
expositions-1773	204	10	appalachian	appalachian	ADJ
expositions-1773	204	11	mountains	mountain	NOUN
expositions-1773	204	12	in	in	ADP
expositions-1773	204	13	the	the	DET
expositions-1773	204	14	east	east	NOUN
expositions-1773	204	15	,	,	PUNCT
expositions-1773	204	16	the	the	DET
expositions-1773	204	17	mississippi	mississippi	PROPN
expositions-1773	204	18	river	river	PROPN
expositions-1773	204	19	,	,	PUNCT
expositions-1773	204	20	in	in	ADP
expositions-1773	204	21	the	the	DET
expositions-1773	204	22	middle	middle	NOUN
expositions-1773	204	23	,	,	PUNCT
expositions-1773	204	24	and	and	CCONJ
expositions-1773	204	25	the	the	DET
expositions-1773	204	26	high	high	ADJ
expositions-1773	204	27	rocky	rocky	ADJ
expositions-1773	204	28	mountains	mountain	NOUN
expositions-1773	204	29	in	in	ADP
expositions-1773	204	30	the	the	DET
expositions-1773	204	31	west	west	NOUN
expositions-1773	204	32	,	,	PUNCT
expositions-1773	204	33	jurassic	jurassic	PROPN
expositions-1773	204	34	north	north	PROPN
expositions-1773	204	35	america	america	PROPN
expositions-1773	204	36	had	have	VERB
expositions-1773	204	37	a	a	DET
expositions-1773	204	38	long	long	ADJ
expositions-1773	204	39	,	,	PUNCT
expositions-1773	204	40	gradual	gradual	ADJ
expositions-1773	204	41	,	,	PUNCT
expositions-1773	204	42	gentle	gentle	ADJ
expositions-1773	204	43	slope	slope	NOUN
expositions-1773	204	44	from	from	ADP
expositions-1773	204	45	high	high	ADJ
expositions-1773	204	46	topography	topography	NOUN
expositions-1773	204	47	in	in	ADP
expositions-1773	204	48	the	the	DET
expositions-1773	204	49	east	east	NOUN
expositions-1773	204	50	,	,	PUNCT
expositions-1773	204	51	uplifted	uplift	VERB
expositions-1773	204	52	because	because	SCONJ
expositions-1773	204	53	africa	africa	PROPN
expositions-1773	204	54	was	be	AUX
expositions-1773	204	55	rifting	rifte	VERB
expositions-1773	204	56	away	away	ADV
expositions-1773	204	57	from	from	ADP
expositions-1773	204	58	north	north	PROPN
expositions-1773	204	59	america	america	PROPN
expositions-1773	204	60	,	,	PUNCT
expositions-1773	204	61	gradually	gradually	ADV
expositions-1773	204	62	descending	descend	VERB
expositions-1773	204	63	to	to	ADP
expositions-1773	204	64	sea	sea	NOUN
expositions-1773	204	65	level	level	NOUN
expositions-1773	204	66	where	where	SCONJ
expositions-1773	204	67	the	the	DET
expositions-1773	204	68	rocky	rocky	ADJ
expositions-1773	204	69	mountains	mountain	NOUN
expositions-1773	204	70	are	be	AUX
expositions-1773	204	71	now	now	ADV
expositions-1773	204	72	.	.	PUNCT
expositions-1773	205	1	before	before	SCONJ
expositions-1773	205	2	there	there	PRON
expositions-1773	205	3	ever	ever	ADV
expositions-1773	205	4	was	be	AUX
expositions-1773	205	5	a	a	DET
expositions-1773	205	6	mississippi	mississippi	NOUN
expositions-1773	205	7	,	,	PUNCT
expositions-1773	205	8	a	a	DET
expositions-1773	205	9	great	great	ADJ
expositions-1773	205	10	west	west	NOUN
expositions-1773	205	11	-	-	PUNCT
expositions-1773	205	12	flowing	flow	VERB
expositions-1773	205	13	river	river	NOUN
expositions-1773	205	14	,	,	PUNCT
expositions-1773	205	15	whose	whose	DET
expositions-1773	205	16	exact	exact	ADJ
expositions-1773	205	17	route	route	NOUN
expositions-1773	205	18	we	we	PRON
expositions-1773	205	19	can	can	AUX
expositions-1773	205	20	only	only	ADV
expositions-1773	205	21	guess	guess	VERB
expositions-1773	205	22	,	,	PUNCT
expositions-1773	205	23	must	must	AUX
expositions-1773	205	24	have	have	AUX
expositions-1773	205	25	carried	carry	VERB
expositions-1773	205	26	vast	vast	ADJ
expositions-1773	205	27	numbers	number	NOUN
expositions-1773	205	28	of	of	ADP
expositions-1773	205	29	appalachian	appalachian	ADJ
expositions-1773	205	30	sand	sand	NOUN
expositions-1773	205	31	grains	grain	NOUN
expositions-1773	205	32	all	all	DET
expositions-1773	205	33	the	the	DET
expositions-1773	205	34	way	way	NOUN
expositions-1773	205	35	to	to	ADP
expositions-1773	205	36	the	the	DET
expositions-1773	205	37	shoreline	shoreline	NOUN
expositions-1773	205	38	in	in	ADP
expositions-1773	205	39	wyoming	wyoming	PROPN
expositions-1773	205	40	,	,	PUNCT
expositions-1773	205	41	and	and	CCONJ
expositions-1773	205	42	from	from	ADP
expositions-1773	205	43	there	there	ADV
expositions-1773	205	44	they	they	PRON
expositions-1773	205	45	were	be	AUX
expositions-1773	205	46	blown	blow	VERB
expositions-1773	205	47	by	by	ADP
expositions-1773	205	48	the	the	DET
expositions-1773	205	49	wind	wind	NOUN
expositions-1773	205	50	to	to	ADP
expositions-1773	205	51	their	their	PRON
expositions-1773	205	52	final	final	ADJ
expositions-1773	205	53	resting	resting	NOUN
expositions-1773	205	54	place	place	NOUN
expositions-1773	205	55	in	in	ADP
expositions-1773	205	56	utah	utah	PROPN
expositions-1773	205	57	.	.	PUNCT
expositions-1773	206	1	who	who	PRON
expositions-1773	206	2	would	would	AUX
expositions-1773	206	3	have	have	AUX
expositions-1773	206	4	imagined	imagine	VERB
expositions-1773	206	5	,	,	PUNCT
expositions-1773	206	6	while	while	SCONJ
expositions-1773	206	7	gazing	gaze	VERB
expositions-1773	206	8	at	at	ADP
expositions-1773	206	9	a	a	DET
expositions-1773	206	10	sandstone	sandstone	NOUN
expositions-1773	206	11	cliff	cliff	NOUN
expositions-1773	206	12	in	in	ADP
expositions-1773	206	13	utah	utah	PROPN
expositions-1773	206	14	,	,	PUNCT
expositions-1773	206	15	that	that	SCONJ
expositions-1773	206	16	they	they	PRON
expositions-1773	206	17	were	be	AUX
expositions-1773	206	18	seeing	see	VERB
expositions-1773	206	19	the	the	DET
expositions-1773	206	20	appalachian	appalachian	ADJ
expositions-1773	206	21	mountains	mountain	NOUN
expositions-1773	206	22	,	,	PUNCT
expositions-1773	206	23	disassembled	disassemble	VERB
expositions-1773	206	24	and	and	CCONJ
expositions-1773	206	25	carried	carry	VERB
expositions-1773	206	26	2,000	2,000	NUM
expositions-1773	206	27	miles	mile	NOUN
expositions-1773	206	28	across	across	ADP
expositions-1773	206	29	the	the	DET
expositions-1773	206	30	continent	continent	NOUN
expositions-1773	206	31	by	by	ADP
expositions-1773	206	32	a	a	DET
expositions-1773	206	33	longvanished	longvanished	ADJ
expositions-1773	206	34	river	river	NOUN
expositions-1773	206	35	?	?	PUNCT
expositions-1773	207	1	the	the	DET
expositions-1773	207	2	ability	ability	NOUN
expositions-1773	207	3	to	to	PART
expositions-1773	207	4	reconstruct	reconstruct	VERB
expositions-1773	207	5	a	a	DET
expositions-1773	207	6	great	great	ADJ
expositions-1773	207	7	river	river	NOUN
expositions-1773	207	8	of	of	ADP
expositions-1773	207	9	long	long	ADV
expositions-1773	207	10	ago	ago	ADV
expositions-1773	207	11	,	,	PUNCT
expositions-1773	207	12	of	of	ADP
expositions-1773	207	13	which	which	PRON
expositions-1773	207	14	every	every	DET
expositions-1773	207	15	trace	trace	NOUN
expositions-1773	207	16	has	have	AUX
expositions-1773	207	17	been	be	AUX
expositions-1773	207	18	removed	remove	VERB
expositions-1773	207	19	by	by	ADP
expositions-1773	207	20	erosion	erosion	NOUN
expositions-1773	207	21	,	,	PUNCT
expositions-1773	207	22	is	be	AUX
expositions-1773	207	23	an	an	DET
expositions-1773	207	24	example	example	NOUN
expositions-1773	207	25	of	of	ADP
expositions-1773	207	26	the	the	DET
expositions-1773	207	27	wonderful	wonderful	ADJ
expositions-1773	207	28	historical	historical	ADJ
expositions-1773	207	29	discoveries	discovery	NOUN
expositions-1773	207	30	that	that	PRON
expositions-1773	207	31	geologists	geologist	NOUN
expositions-1773	207	32	are	be	AUX
expositions-1773	207	33	contributing	contribute	VERB
expositions-1773	207	34	to	to	ADP
expositions-1773	207	35	big	big	ADJ
expositions-1773	207	36	history	history	NOUN
expositions-1773	207	37	.	.	PUNCT
expositions-1773	208	1	and	and	CCONJ
expositions-1773	208	2	it	it	PRON
expositions-1773	208	3	gives	give	VERB
expositions-1773	208	4	a	a	DET
expositions-1773	208	5	hint	hint	NOUN
expositions-1773	208	6	of	of	ADP
expositions-1773	208	7	the	the	DET
expositions-1773	208	8	array	array	NOUN
expositions-1773	208	9	of	of	ADP
expositions-1773	208	10	remarkable	remarkable	ADJ
expositions-1773	208	11	processes	process	NOUN
expositions-1773	208	12	and	and	CCONJ
expositions-1773	208	13	surprising	surprising	ADJ
expositions-1773	208	14	episodes	episode	NOUN
expositions-1773	208	15	by	by	ADP
expositions-1773	208	16	we	we	PRON
expositions-1773	208	17	are	be	AUX
expositions-1773	208	18	stardust	stardust	PROPN
expositions-1773	208	19	…	…	PUNCT
expositions-1773	208	20	concentrated	concentrate	VERB
expositions-1773	208	21	by	by	ADP
expositions-1773	208	22	earth	earth	NOUN
expositions-1773	208	23	!	!	PUNCT
expositions-1773	209	1	82	82	NUM
expositions-1773	209	2	    	    	SPACE
expositions-1773	209	3	which	which	DET
expositions-1773	209	4	earth	earth	NOUN
expositions-1773	209	5	has	have	AUX
expositions-1773	209	6	concentrated	concentrate	VERB
expositions-1773	209	7	the	the	DET
expositions-1773	209	8	kinds	kind	NOUN
expositions-1773	209	9	of	of	ADP
expositions-1773	209	10	valuable	valuable	ADJ
expositions-1773	209	11	materials	material	NOUN
expositions-1773	209	12	that	that	PRON
expositions-1773	209	13	has	have	AUX
expositions-1773	209	14	made	make	VERB
expositions-1773	209	15	human	human	ADJ
expositions-1773	209	16	civilization	civilization	NOUN
expositions-1773	209	17	and	and	CCONJ
expositions-1773	209	18	technology	technology	NOUN
expositions-1773	209	19	possible	possible	ADJ
expositions-1773	209	20	.	.	PUNCT
expositions-1773	210	1	silicon	silicon	NOUN
expositions-1773	210	2	and	and	CCONJ
expositions-1773	210	3	computers	computer	NOUN
expositions-1773	210	4	in	in	ADP
expositions-1773	210	5	the	the	DET
expositions-1773	210	6	early	early	ADJ
expositions-1773	210	7	twenty	twenty	NUM
expositions-1773	210	8	-	-	PUNCT
expositions-1773	210	9	first	first	ADJ
expositions-1773	210	10	century	century	NOUN
expositions-1773	210	11	we	we	PRON
expositions-1773	210	12	live	live	VERB
expositions-1773	210	13	in	in	ADP
expositions-1773	210	14	a	a	DET
expositions-1773	210	15	new	new	ADJ
expositions-1773	210	16	silicon	silicon	NOUN
expositions-1773	210	17	age	age	NOUN
expositions-1773	210	18	,	,	PUNCT
expositions-1773	210	19	in	in	ADP
expositions-1773	210	20	which	which	PRON
expositions-1773	210	21	this	this	DET
expositions-1773	210	22	element	element	NOUN
expositions-1773	210	23	,	,	PUNCT
expositions-1773	210	24	the	the	DET
expositions-1773	210	25	critical	critical	ADJ
expositions-1773	210	26	ingredient	ingredient	NOUN
expositions-1773	210	27	for	for	ADP
expositions-1773	210	28	our	our	PRON
expositions-1773	210	29	earth	earth	NOUN
expositions-1773	210	30	itself	itself	PRON
expositions-1773	210	31	and	and	CCONJ
expositions-1773	210	32	once	once	ADV
expositions-1773	210	33	the	the	DET
expositions-1773	210	34	basis	basis	NOUN
expositions-1773	210	35	for	for	ADP
expositions-1773	210	36	stone	stone	NOUN
expositions-1773	210	37	age	age	NOUN
expositions-1773	210	38	tools	tool	NOUN
expositions-1773	210	39	,	,	PUNCT
expositions-1773	210	40	is	be	AUX
expositions-1773	210	41	now	now	ADV
expositions-1773	210	42	again	again	ADV
expositions-1773	210	43	of	of	ADP
expositions-1773	210	44	critical	critical	ADJ
expositions-1773	210	45	importance	importance	NOUN
expositions-1773	210	46	,	,	PUNCT
expositions-1773	210	47	as	as	ADP
expositions-1773	210	48	the	the	DET
expositions-1773	210	49	foundation	foundation	NOUN
expositions-1773	210	50	for	for	ADP
expositions-1773	210	51	the	the	DET
expositions-1773	210	52	computer	computer	NOUN
expositions-1773	210	53	chips	chip	NOUN
expositions-1773	210	54	that	that	PRON
expositions-1773	210	55	pervade	pervade	VERB
expositions-1773	210	56	almost	almost	ADV
expositions-1773	210	57	every	every	PRON
expositions-1773	210	58	aspect	aspect	NOUN
expositions-1773	210	59	of	of	ADP
expositions-1773	210	60	our	our	PRON
expositions-1773	210	61	lives	life	NOUN
expositions-1773	210	62	,	,	PUNCT
expositions-1773	210	63	our	our	PRON
expositions-1773	210	64	technology	technology	NOUN
expositions-1773	210	65	,	,	PUNCT
expositions-1773	210	66	and	and	CCONJ
expositions-1773	210	67	our	our	PRON
expositions-1773	210	68	civilization	civilization	NOUN
expositions-1773	210	69	.	.	PUNCT
expositions-1773	211	1	the	the	DET
expositions-1773	211	2	ancient	ancient	ADJ
expositions-1773	211	3	silicon	silicon	PROPN
expositions-1773	211	4	valley	valley	NOUN
expositions-1773	211	5	of	of	ADP
expositions-1773	211	6	stonehenge	stonehenge	PROPN
expositions-1773	211	7	has	have	AUX
expositions-1773	211	8	been	be	AUX
expositions-1773	211	9	replaced	replace	VERB
expositions-1773	211	10	by	by	ADP
expositions-1773	211	11	the	the	DET
expositions-1773	211	12	new	new	ADJ
expositions-1773	211	13	silicon	silicon	NOUN
expositions-1773	211	14	valley	valley	NOUN
expositions-1773	211	15	in	in	ADP
expositions-1773	211	16	california	california	PROPN
expositions-1773	211	17	,	,	PUNCT
expositions-1773	211	18	and	and	CCONJ
expositions-1773	211	19	similar	similar	ADJ
expositions-1773	211	20	centers	center	NOUN
expositions-1773	211	21	of	of	ADP
expositions-1773	211	22	high	high	ADJ
expositions-1773	211	23	technology	technology	NOUN
expositions-1773	211	24	elsewhere	elsewhere	ADV
expositions-1773	211	25	.	.	PUNCT
expositions-1773	212	1	how	how	SCONJ
expositions-1773	212	2	has	have	AUX
expositions-1773	212	3	earth	earth	NOUN
expositions-1773	212	4	concentrated	concentrate	VERB
expositions-1773	212	5	the	the	DET
expositions-1773	212	6	silicon	silicon	NOUN
expositions-1773	212	7	used	use	VERB
expositions-1773	212	8	for	for	ADP
expositions-1773	212	9	computer	computer	NOUN
expositions-1773	212	10	chips	chip	NOUN
expositions-1773	212	11	?	?	PUNCT
expositions-1773	213	1	curiously	curiously	ADV
expositions-1773	213	2	,	,	PUNCT
expositions-1773	213	3	this	this	PRON
expositions-1773	213	4	has	have	AUX
expositions-1773	213	5	happened	happen	VERB
expositions-1773	213	6	by	by	ADP
expositions-1773	213	7	a	a	DET
expositions-1773	213	8	process	process	NOUN
expositions-1773	213	9	completely	completely	ADV
expositions-1773	213	10	different	different	ADJ
expositions-1773	213	11	from	from	ADP
expositions-1773	213	12	those	those	PRON
expositions-1773	213	13	that	that	PRON
expositions-1773	213	14	have	have	AUX
expositions-1773	213	15	concentrated	concentrate	VERB
expositions-1773	213	16	the	the	DET
expositions-1773	213	17	silicon	silicon	NOUN
expositions-1773	213	18	used	use	VERB
expositions-1773	213	19	in	in	ADP
expositions-1773	213	20	stone	stone	NOUN
expositions-1773	213	21	tools	tool	NOUN
expositions-1773	213	22	and	and	CCONJ
expositions-1773	213	23	in	in	ADP
expositions-1773	213	24	glass	glass	NOUN
expositions-1773	213	25	,	,	PUNCT
expositions-1773	213	26	and	and	CCONJ
expositions-1773	213	27	this	this	PRON
expositions-1773	213	28	helps	help	VERB
expositions-1773	213	29	us	we	PRON
expositions-1773	213	30	appreciate	appreciate	VERB
expositions-1773	213	31	the	the	DET
expositions-1773	213	32	range	range	NOUN
expositions-1773	213	33	of	of	ADP
expositions-1773	213	34	earth	earth	NOUN
expositions-1773	213	35	’s	’s	PART
expositions-1773	213	36	geochemical	geochemical	ADJ
expositions-1773	213	37	skills	skill	NOUN
expositions-1773	213	38	.	.	PUNCT
expositions-1773	214	1	at	at	ADP
expositions-1773	214	2	the	the	DET
expositions-1773	214	3	earth	earth	NOUN
expositions-1773	214	4	’s	’s	PART
expositions-1773	214	5	surface	surface	NOUN
expositions-1773	214	6	,	,	PUNCT
expositions-1773	214	7	sio2	sio2	PROPN
expositions-1773	214	8	is	be	AUX
expositions-1773	214	9	extremely	extremely	ADV
expositions-1773	214	10	insoluble	insoluble	ADJ
expositions-1773	214	11	in	in	ADP
expositions-1773	214	12	water	water	NOUN
expositions-1773	214	13	,	,	PUNCT
expositions-1773	214	14	which	which	PRON
expositions-1773	214	15	is	be	AUX
expositions-1773	214	16	why	why	SCONJ
expositions-1773	214	17	those	those	DET
expositions-1773	214	18	grains	grain	NOUN
expositions-1773	214	19	of	of	ADP
expositions-1773	214	20	quartz	quartz	NOUN
expositions-1773	214	21	sand	sand	NOUN
expositions-1773	214	22	last	last	ADV
expositions-1773	214	23	indefinitely	indefinitely	ADV
expositions-1773	214	24	.	.	PUNCT
expositions-1773	215	1	but	but	CCONJ
expositions-1773	215	2	that	that	PRON
expositions-1773	215	3	is	be	AUX
expositions-1773	215	4	not	not	PART
expositions-1773	215	5	the	the	DET
expositions-1773	215	6	case	case	NOUN
expositions-1773	215	7	deep	deep	ADV
expositions-1773	215	8	in	in	ADP
expositions-1773	215	9	the	the	DET
expositions-1773	215	10	earth	earth	NOUN
expositions-1773	215	11	,	,	PUNCT
expositions-1773	215	12	where	where	SCONJ
expositions-1773	215	13	water	water	NOUN
expositions-1773	215	14	chemistry	chemistry	NOUN
expositions-1773	215	15	is	be	AUX
expositions-1773	215	16	different	different	ADJ
expositions-1773	215	17	and	and	CCONJ
expositions-1773	215	18	the	the	DET
expositions-1773	215	19	temperatures	temperature	NOUN
expositions-1773	215	20	are	be	AUX
expositions-1773	215	21	much	much	ADV
expositions-1773	215	22	higher	high	ADJ
expositions-1773	215	23	.	.	PUNCT
expositions-1773	216	1	under	under	ADP
expositions-1773	216	2	those	those	DET
expositions-1773	216	3	conditions	condition	NOUN
expositions-1773	216	4	,	,	PUNCT
expositions-1773	216	5	sio2	sio2	PROPN
expositions-1773	216	6	can	can	AUX
expositions-1773	216	7	be	be	AUX
expositions-1773	216	8	dissolved	dissolve	VERB
expositions-1773	216	9	out	out	ADP
expositions-1773	216	10	of	of	ADP
expositions-1773	216	11	the	the	DET
expositions-1773	216	12	abundant	abundant	ADJ
expositions-1773	216	13	silicate	silicate	ADJ
expositions-1773	216	14	minerals	mineral	NOUN
expositions-1773	216	15	of	of	ADP
expositions-1773	216	16	the	the	DET
expositions-1773	216	17	crust	crust	NOUN
expositions-1773	216	18	,	,	PUNCT
expositions-1773	216	19	carried	carry	VERB
expositions-1773	216	20	upward	upward	ADV
expositions-1773	216	21	by	by	ADP
expositions-1773	216	22	the	the	DET
expositions-1773	216	23	hot	hot	ADJ
expositions-1773	216	24	,	,	PUNCT
expositions-1773	216	25	silica	silica	NOUN
expositions-1773	216	26	-	-	PUNCT
expositions-1773	216	27	rich	rich	ADJ
expositions-1773	216	28	waters	water	NOUN
expositions-1773	216	29	as	as	SCONJ
expositions-1773	216	30	they	they	PRON
expositions-1773	216	31	rise	rise	VERB
expositions-1773	216	32	,	,	PUNCT
expositions-1773	216	33	and	and	CCONJ
expositions-1773	216	34	deposited	deposit	VERB
expositions-1773	216	35	in	in	ADP
expositions-1773	216	36	open	open	ADJ
expositions-1773	216	37	fractures	fracture	NOUN
expositions-1773	216	38	near	near	ADP
expositions-1773	216	39	the	the	DET
expositions-1773	216	40	surface	surface	NOUN
expositions-1773	216	41	when	when	SCONJ
expositions-1773	216	42	conditions	condition	NOUN
expositions-1773	216	43	have	have	AUX
expositions-1773	216	44	reached	reach	VERB
expositions-1773	216	45	the	the	DET
expositions-1773	216	46	point	point	NOUN
expositions-1773	216	47	where	where	SCONJ
expositions-1773	216	48	silica	silica	NOUN
expositions-1773	216	49	is	be	AUX
expositions-1773	216	50	no	no	ADV
expositions-1773	216	51	longer	long	ADV
expositions-1773	216	52	soluble	soluble	ADJ
expositions-1773	216	53	.	.	PUNCT
expositions-1773	217	1	fractures	fracture	NOUN
expositions-1773	217	2	filled	fill	VERB
expositions-1773	217	3	with	with	ADP
expositions-1773	217	4	sio2	sio2	PROPN
expositions-1773	217	5	are	be	AUX
expositions-1773	217	6	called	call	VERB
expositions-1773	217	7	quartz	quartz	NOUN
expositions-1773	217	8	veins	vein	NOUN
expositions-1773	217	9	,	,	PUNCT
expositions-1773	217	10	and	and	CCONJ
expositions-1773	217	11	they	they	PRON
expositions-1773	217	12	are	be	AUX
expositions-1773	217	13	very	very	ADV
expositions-1773	217	14	abundant	abundant	ADJ
expositions-1773	217	15	in	in	ADP
expositions-1773	217	16	areas	area	NOUN
expositions-1773	217	17	that	that	PRON
expositions-1773	217	18	once	once	ADV
expositions-1773	217	19	had	have	VERB
expositions-1773	217	20	hot	hot	ADJ
expositions-1773	217	21	rocks	rock	NOUN
expositions-1773	217	22	at	at	ADP
expositions-1773	217	23	depth	depth	NOUN
expositions-1773	217	24	,	,	PUNCT
expositions-1773	217	25	resulting	result	VERB
expositions-1773	217	26	in	in	ADP
expositions-1773	217	27	hydrothermal	hydrothermal	NOUN
expositions-1773	217	28	,	,	PUNCT
expositions-1773	217	29	or	or	CCONJ
expositions-1773	217	30	hot	hot	ADJ
expositions-1773	217	31	-	-	PUNCT
expositions-1773	217	32	water	water	NOUN
expositions-1773	217	33	,	,	PUNCT
expositions-1773	217	34	circulation	circulation	NOUN
expositions-1773	217	35	.	.	PUNCT
expositions-1773	218	1	the	the	DET
expositions-1773	218	2	exquisite	exquisite	ADJ
expositions-1773	218	3	quartz	quartz	NOUN
expositions-1773	218	4	crystals	crystal	NOUN
expositions-1773	218	5	and	and	CCONJ
expositions-1773	218	6	the	the	DET
expositions-1773	218	7	beautiful	beautiful	ADJ
expositions-1773	218	8	clusters	cluster	NOUN
expositions-1773	218	9	of	of	ADP
expositions-1773	218	10	purple	purple	ADJ
expositions-1773	218	11	amethyst	amethyst	NOUN
expositions-1773	218	12	crystals	crystal	NOUN
expositions-1773	218	13	,	,	PUNCT
expositions-1773	218	14	also	also	ADV
expositions-1773	218	15	quartz	quartz	NOUN
expositions-1773	218	16	,	,	PUNCT
expositions-1773	218	17	on	on	ADP
expositions-1773	218	18	display	display	NOUN
expositions-1773	218	19	in	in	ADP
expositions-1773	218	20	rock	rock	NOUN
expositions-1773	218	21	shops	shop	NOUN
expositions-1773	218	22	were	be	AUX
expositions-1773	218	23	deposited	deposit	VERB
expositions-1773	218	24	by	by	ADP
expositions-1773	218	25	hot	hot	ADJ
expositions-1773	218	26	water	water	NOUN
expositions-1773	218	27	in	in	ADP
expositions-1773	218	28	open	open	ADJ
expositions-1773	218	29	fractures	fracture	NOUN
expositions-1773	218	30	that	that	PRON
expositions-1773	218	31	became	become	VERB
expositions-1773	218	32	quartz	quartz	NOUN
expositions-1773	218	33	veins	vein	NOUN
expositions-1773	218	34	,	,	PUNCT
expositions-1773	218	35	with	with	ADP
expositions-1773	218	36	the	the	DET
expositions-1773	218	37	perfect	perfect	ADJ
expositions-1773	218	38	pyramidal	pyramidal	ADJ
expositions-1773	218	39	crystal	crystal	NOUN
expositions-1773	218	40	terminations	termination	NOUN
expositions-1773	218	41	formed	form	VERB
expositions-1773	218	42	as	as	SCONJ
expositions-1773	218	43	the	the	DET
expositions-1773	218	44	crystal	crystal	NOUN
expositions-1773	218	45	grew	grow	VERB
expositions-1773	218	46	into	into	ADP
expositions-1773	218	47	an	an	DET
expositions-1773	218	48	open	open	ADJ
expositions-1773	218	49	cavity	cavity	NOUN
expositions-1773	218	50	filled	fill	VERB
expositions-1773	218	51	with	with	ADP
expositions-1773	218	52	silica	silica	NOUN
expositions-1773	218	53	-	-	PUNCT
expositions-1773	218	54	rich	rich	ADJ
expositions-1773	218	55	water	water	NOUN
expositions-1773	218	56	that	that	PRON
expositions-1773	218	57	came	come	VERB
expositions-1773	218	58	up	up	ADP
expositions-1773	218	59	from	from	ADP
expositions-1773	218	60	depth	depth	NOUN
expositions-1773	218	61	.	.	PUNCT
expositions-1773	219	1	quartz	quartz	NOUN
expositions-1773	219	2	veins	vein	NOUN
expositions-1773	219	3	have	have	AUX
expositions-1773	219	4	long	long	ADV
expositions-1773	219	5	been	be	AUX
expositions-1773	219	6	of	of	ADP
expositions-1773	219	7	extreme	extreme	ADJ
expositions-1773	219	8	economic	economic	ADJ
expositions-1773	219	9	importance	importance	NOUN
expositions-1773	219	10	,	,	PUNCT
expositions-1773	219	11	because	because	SCONJ
expositions-1773	219	12	gold	gold	NOUN
expositions-1773	219	13	,	,	PUNCT
expositions-1773	219	14	if	if	SCONJ
expositions-1773	219	15	present	present	ADJ
expositions-1773	219	16	at	at	ADP
expositions-1773	219	17	depth	depth	NOUN
expositions-1773	219	18	,	,	PUNCT
expositions-1773	219	19	gets	get	AUX
expositions-1773	219	20	carried	carry	VERB
expositions-1773	219	21	along	along	ADP
expositions-1773	219	22	with	with	ADP
expositions-1773	219	23	sio2	sio2	PROPN
expositions-1773	219	24	in	in	ADP
expositions-1773	219	25	hydrothermal	hydrothermal	NOUN
expositions-1773	219	26	systems	system	NOUN
expositions-1773	219	27	and	and	CCONJ
expositions-1773	219	28	deposited	deposit	VERB
expositions-1773	219	29	in	in	ADP
expositions-1773	219	30	veins	vein	NOUN
expositions-1773	219	31	near	near	ADP
expositions-1773	219	32	the	the	DET
expositions-1773	219	33	surface	surface	NOUN
expositions-1773	219	34	.	.	PUNCT
expositions-1773	220	1	many	many	ADJ
expositions-1773	220	2	of	of	ADP
expositions-1773	220	3	the	the	DET
expositions-1773	220	4	world	world	NOUN
expositions-1773	220	5	’s	’s	PART
expositions-1773	220	6	great	great	ADJ
expositions-1773	220	7	gold	gold	NOUN
expositions-1773	220	8	-	-	PUNCT
expositions-1773	220	9	producing	produce	VERB
expositions-1773	220	10	regions	region	NOUN
expositions-1773	220	11	have	have	VERB
expositions-1773	220	12	this	this	DET
expositions-1773	220	13	origin	origin	NOUN
expositions-1773	220	14	,	,	PUNCT
expositions-1773	220	15	including	include	VERB
expositions-1773	220	16	the	the	DET
expositions-1773	220	17	deposits	deposit	NOUN
expositions-1773	220	18	of	of	ADP
expositions-1773	220	19	northwestern	northwestern	ADJ
expositions-1773	220	20	spain	spain	PROPN
expositions-1773	220	21	that	that	PRON
expositions-1773	220	22	supplied	supply	VERB
expositions-1773	220	23	the	the	DET
expositions-1773	220	24	gold	gold	NOUN
expositions-1773	220	25	of	of	ADP
expositions-1773	220	26	the	the	DET
expositions-1773	220	27	roman	roman	ADJ
expositions-1773	220	28	empire	empire	NOUN
expositions-1773	220	29	,	,	PUNCT
expositions-1773	220	30	and	and	CCONJ
expositions-1773	220	31	the	the	DET
expositions-1773	220	32	sierra	sierra	PROPN
expositions-1773	220	33	nevada	nevada	PROPN
expositions-1773	220	34	foothills	foothills	PROPN
expositions-1773	220	35	of	of	ADP
expositions-1773	220	36	california	california	PROPN
expositions-1773	220	37	,	,	PUNCT
expositions-1773	220	38	where	where	SCONJ
expositions-1773	220	39	the	the	DET
expositions-1773	220	40	richest	rich	ADJ
expositions-1773	220	41	gold	gold	ADJ
expositions-1773	220	42	concentrations	concentration	NOUN
expositions-1773	220	43	are	be	AUX
expositions-1773	220	44	in	in	ADP
expositions-1773	220	45	a	a	DET
expositions-1773	220	46	great	great	ADJ
expositions-1773	220	47	system	system	NOUN
expositions-1773	220	48	of	of	ADP
expositions-1773	220	49	quartz	quartz	NOUN
expositions-1773	220	50	veins	vein	NOUN
expositions-1773	220	51	called	call	VERB
expositions-1773	220	52	the	the	DET
expositions-1773	220	53	mother	mother	NOUN
expositions-1773	220	54	lode	lode	PROPN
expositions-1773	220	55	.	.	PUNCT
expositions-1773	221	1	now	now	ADV
expositions-1773	221	2	,	,	PUNCT
expositions-1773	221	3	however	however	ADV
expositions-1773	221	4	,	,	PUNCT
expositions-1773	221	5	because	because	SCONJ
expositions-1773	221	6	of	of	ADP
expositions-1773	221	7	the	the	DET
expositions-1773	221	8	great	great	ADJ
expositions-1773	221	9	purity	purity	NOUN
expositions-1773	221	10	of	of	ADP
expositions-1773	221	11	sio2	sio2	PROPN
expositions-1773	221	12	in	in	ADP
expositions-1773	221	13	quartz	quartz	NOUN
expositions-1773	221	14	veins	vein	NOUN
expositions-1773	221	15	,	,	PUNCT
expositions-1773	221	16	these	these	PRON
expositions-1773	221	17	have	have	AUX
expositions-1773	221	18	become	become	VERB
expositions-1773	221	19	the	the	DET
expositions-1773	221	20	preferred	preferred	ADJ
expositions-1773	221	21	source	source	NOUN
expositions-1773	221	22	of	of	ADP
expositions-1773	221	23	silicon	silicon	NOUN
expositions-1773	221	24	metal	metal	NOUN
expositions-1773	221	25	,	,	PUNCT
expositions-1773	221	26	refined	refine	VERB
expositions-1773	221	27	from	from	ADP
expositions-1773	221	28	the	the	DET
expositions-1773	221	29	quartz	quartz	NOUN
expositions-1773	221	30	,	,	PUNCT
expositions-1773	221	31	which	which	PRON
expositions-1773	221	32	is	be	AUX
expositions-1773	221	33	the	the	DET
expositions-1773	221	34	basis	basis	NOUN
expositions-1773	221	35	for	for	ADP
expositions-1773	221	36	making	make	VERB
expositions-1773	221	37	computer	computer	NOUN
expositions-1773	221	38	chips	chip	NOUN
expositions-1773	221	39	.	.	PUNCT
expositions-1773	222	1	of	of	ADV
expositions-1773	222	2	course	course	ADV
expositions-1773	222	3	the	the	DET
expositions-1773	222	4	process	process	NOUN
expositions-1773	222	5	of	of	ADP
expositions-1773	222	6	converting	convert	VERB
expositions-1773	222	7	quartz	quartz	NOUN
expositions-1773	222	8	crystals	crystal	NOUN
expositions-1773	222	9	into	into	ADP
expositions-1773	222	10	silicon	silicon	NOUN
expositions-1773	222	11	metal	metal	NOUN
expositions-1773	222	12	and	and	CCONJ
expositions-1773	222	13	adding	add	VERB
expositions-1773	222	14	just	just	ADV
expositions-1773	222	15	the	the	DET
expositions-1773	222	16	right	right	ADJ
expositions-1773	222	17	impurities	impurity	NOUN
expositions-1773	222	18	is	be	AUX
expositions-1773	222	19	extremely	extremely	ADV
expositions-1773	222	20	complex	complex	ADJ
expositions-1773	222	21	and	and	CCONJ
expositions-1773	222	22	difficult	difficult	ADJ
expositions-1773	222	23	,	,	PUNCT
expositions-1773	222	24	but	but	CCONJ
expositions-1773	222	25	again	again	ADV
expositions-1773	222	26	the	the	DET
expositions-1773	222	27	point	point	NOUN
expositions-1773	222	28	here	here	ADV
expositions-1773	222	29	is	be	AUX
expositions-1773	222	30	that	that	SCONJ
expositions-1773	222	31	earth	earth	NOUN
expositions-1773	222	32	has	have	AUX
expositions-1773	222	33	concentrated	concentrate	VERB
expositions-1773	222	34	the	the	DET
expositions-1773	222	35	silica	silica	NOUN
expositions-1773	222	36	in	in	ADP
expositions-1773	222	37	a	a	DET
expositions-1773	222	38	most	most	ADV
expositions-1773	222	39	interesting	interesting	ADJ
expositions-1773	222	40	way	way	NOUN
expositions-1773	222	41	.	.	PUNCT
expositions-1773	223	1	perhaps	perhaps	ADV
expositions-1773	223	2	we	we	PRON
expositions-1773	223	3	should	should	AUX
expositions-1773	223	4	conclude	conclude	VERB
expositions-1773	223	5	that	that	PRON
expositions-1773	223	6	technology	technology	NOUN
expositions-1773	223	7	is	be	AUX
expositions-1773	223	8	the	the	DET
expositions-1773	223	9	result	result	NOUN
expositions-1773	223	10	of	of	ADP
expositions-1773	223	11	human	human	ADJ
expositions-1773	223	12	ingenuity	ingenuity	NOUN
expositions-1773	223	13	,	,	PUNCT
expositions-1773	223	14	building	build	VERB
expositions-1773	223	15	on	on	ADP
expositions-1773	223	16	earth	earth	NOUN
expositions-1773	223	17	’s	’s	PART
expositions-1773	223	18	ingenuity	ingenuity	NOUN
expositions-1773	223	19	.	.	PUNCT
expositions-1773	224	1	83	83	NUM
expositions-1773	224	2	alvarez	alvarez	PROPN
expositions-1773	224	3	  	  	SPACE
expositions-1773	224	4	the	the	DET
expositions-1773	224	5	lesson	lesson	NOUN
expositions-1773	224	6	for	for	ADP
expositions-1773	224	7	big	big	ADJ
expositions-1773	224	8	historians	historian	NOUN
expositions-1773	224	9	recognizing	recognize	VERB
expositions-1773	224	10	earth	earth	NOUN
expositions-1773	224	11	’s	’s	PART
expositions-1773	224	12	three	three	NUM
expositions-1773	224	13	different	different	ADJ
expositions-1773	224	14	ways	way	NOUN
expositions-1773	224	15	of	of	ADP
expositions-1773	224	16	accumulating	accumulate	VERB
expositions-1773	224	17	the	the	DET
expositions-1773	224	18	silica	silica	NOUN
expositions-1773	224	19	we	we	PRON
expositions-1773	224	20	use	use	VERB
expositions-1773	224	21	for	for	ADP
expositions-1773	224	22	making	make	VERB
expositions-1773	224	23	stone	stone	NOUN
expositions-1773	224	24	tools	tool	NOUN
expositions-1773	224	25	,	,	PUNCT
expositions-1773	224	26	glass	glass	NOUN
expositions-1773	224	27	,	,	PUNCT
expositions-1773	224	28	and	and	CCONJ
expositions-1773	224	29	computer	computer	NOUN
expositions-1773	224	30	chips	chip	NOUN
expositions-1773	224	31	barely	barely	ADV
expositions-1773	224	32	scratches	scratch	VERB
expositions-1773	224	33	the	the	DET
expositions-1773	224	34	surface	surface	NOUN
expositions-1773	224	35	of	of	ADP
expositions-1773	224	36	the	the	DET
expositions-1773	224	37	rich	rich	ADJ
expositions-1773	224	38	array	array	NOUN
expositions-1773	224	39	of	of	ADP
expositions-1773	224	40	mechanisms	mechanism	NOUN
expositions-1773	224	41	by	by	ADP
expositions-1773	224	42	which	which	PRON
expositions-1773	224	43	our	our	PRON
expositions-1773	224	44	planet	planet	NOUN
expositions-1773	224	45	has	have	AUX
expositions-1773	224	46	produced	produce	VERB
expositions-1773	224	47	the	the	DET
expositions-1773	224	48	concentrations	concentration	NOUN
expositions-1773	224	49	of	of	ADP
expositions-1773	224	50	the	the	DET
expositions-1773	224	51	elements	element	NOUN
expositions-1773	224	52	we	we	PRON
expositions-1773	224	53	use	use	VERB
expositions-1773	224	54	.	.	PUNCT
expositions-1773	225	1	almost	almost	ADV
expositions-1773	225	2	every	every	DET
expositions-1773	225	3	chemical	chemical	NOUN
expositions-1773	225	4	element	element	NOUN
expositions-1773	225	5	gets	get	AUX
expositions-1773	225	6	enriched	enrich	VERB
expositions-1773	225	7	by	by	ADP
expositions-1773	225	8	earth	earth	NOUN
expositions-1773	225	9	in	in	ADP
expositions-1773	225	10	one	one	NUM
expositions-1773	225	11	or	or	CCONJ
expositions-1773	225	12	more	more	ADJ
expositions-1773	225	13	ways	way	NOUN
expositions-1773	225	14	.	.	PUNCT
expositions-1773	226	1	hydrogen	hydrogen	NOUN
expositions-1773	226	2	and	and	CCONJ
expositions-1773	226	3	oxygen	oxygen	NOUN
expositions-1773	226	4	end	end	VERB
expositions-1773	226	5	up	up	ADP
expositions-1773	226	6	in	in	ADP
expositions-1773	226	7	the	the	DET
expositions-1773	226	8	ocean	ocean	NOUN
expositions-1773	226	9	water	water	NOUN
expositions-1773	226	10	;	;	PUNCT
expositions-1773	226	11	oxygen	oxygen	NOUN
expositions-1773	226	12	and	and	CCONJ
expositions-1773	226	13	nitrogen	nitrogen	NOUN
expositions-1773	226	14	in	in	ADP
expositions-1773	226	15	the	the	DET
expositions-1773	226	16	atmosphere	atmosphere	NOUN
expositions-1773	226	17	;	;	PUNCT
expositions-1773	226	18	sodium	sodium	NOUN
expositions-1773	226	19	,	,	PUNCT
expositions-1773	226	20	potassium	potassium	NOUN
expositions-1773	226	21	and	and	CCONJ
expositions-1773	226	22	chlorine	chlorine	NOUN
expositions-1773	226	23	in	in	ADP
expositions-1773	226	24	evaporated	evaporated	ADJ
expositions-1773	226	25	salt	salt	NOUN
expositions-1773	226	26	deposits	deposit	NOUN
expositions-1773	226	27	;	;	PUNCT
expositions-1773	226	28	iron	iron	NOUN
expositions-1773	226	29	in	in	ADP
expositions-1773	226	30	the	the	DET
expositions-1773	226	31	deposits	deposit	NOUN
expositions-1773	226	32	of	of	ADP
expositions-1773	226	33	ancient	ancient	ADJ
expositions-1773	226	34	seas	sea	NOUN
expositions-1773	226	35	whose	whose	DET
expositions-1773	226	36	geochemistry	geochemistry	NOUN
expositions-1773	226	37	was	be	AUX
expositions-1773	226	38	unlike	unlike	ADP
expositions-1773	226	39	those	those	PRON
expositions-1773	226	40	of	of	ADP
expositions-1773	226	41	today	today	NOUN
expositions-1773	226	42	:	:	PUNCT
expositions-1773	226	43	copper	copper	NOUN
expositions-1773	226	44	in	in	ADP
expositions-1773	226	45	hydrothermal	hydrothermal	ADJ
expositions-1773	226	46	vent	vent	NOUN
expositions-1773	226	47	chimneys	chimney	NOUN
expositions-1773	226	48	on	on	ADP
expositions-1773	226	49	the	the	DET
expositions-1773	226	50	mid	mid	PROPN
expositions-1773	226	51	-	-	NOUN
expositions-1773	226	52	ocean	ocean	ADJ
expositions-1773	226	53	spreading	spread	VERB
expositions-1773	226	54	ridges	ridge	NOUN
expositions-1773	226	55	;	;	PUNCT
expositions-1773	226	56	uranium	uranium	NOUN
expositions-1773	226	57	in	in	ADP
expositions-1773	226	58	ancient	ancient	ADJ
expositions-1773	226	59	river	river	NOUN
expositions-1773	226	60	channels	channel	NOUN
expositions-1773	226	61	;	;	PUNCT
expositions-1773	226	62	calcium	calcium	NOUN
expositions-1773	226	63	in	in	ADP
expositions-1773	226	64	limestones	limestone	NOUN
expositions-1773	226	65	;	;	PUNCT
expositions-1773	226	66	carbon	carbon	NOUN
expositions-1773	226	67	in	in	ADP
expositions-1773	226	68	limestone	limestone	NOUN
expositions-1773	226	69	,	,	PUNCT
expositions-1773	226	70	coal	coal	NOUN
expositions-1773	226	71	,	,	PUNCT
expositions-1773	226	72	and	and	CCONJ
expositions-1773	226	73	hydrocarbons	hydrocarbon	NOUN
expositions-1773	226	74	.	.	PUNCT
expositions-1773	227	1	perhaps	perhaps	ADV
expositions-1773	227	2	it	it	PRON
expositions-1773	227	3	is	be	AUX
expositions-1773	227	4	the	the	DET
expositions-1773	227	5	enormous	enormous	ADJ
expositions-1773	227	6	variety	variety	NOUN
expositions-1773	227	7	of	of	ADP
expositions-1773	227	8	these	these	DET
expositions-1773	227	9	different	different	ADJ
expositions-1773	227	10	mechanisms	mechanism	NOUN
expositions-1773	227	11	and	and	CCONJ
expositions-1773	227	12	the	the	DET
expositions-1773	227	13	subtle	subtle	ADJ
expositions-1773	227	14	geochemistry	geochemistry	NOUN
expositions-1773	227	15	some	some	PRON
expositions-1773	227	16	of	of	ADP
expositions-1773	227	17	them	they	PRON
expositions-1773	227	18	involve	involve	VERB
expositions-1773	227	19	that	that	PRON
expositions-1773	227	20	has	have	AUX
expositions-1773	227	21	kept	keep	VERB
expositions-1773	227	22	them	they	PRON
expositions-1773	227	23	unfamiliar	unfamiliar	ADJ
expositions-1773	227	24	to	to	ADP
expositions-1773	227	25	most	most	ADJ
expositions-1773	227	26	people	people	NOUN
expositions-1773	227	27	.	.	PUNCT
expositions-1773	228	1	but	but	CCONJ
expositions-1773	228	2	surely	surely	ADV
expositions-1773	228	3	big	big	ADJ
expositions-1773	228	4	historians	historian	NOUN
expositions-1773	228	5	need	need	VERB
expositions-1773	228	6	to	to	PART
expositions-1773	228	7	recognize	recognize	VERB
expositions-1773	228	8	that	that	SCONJ
expositions-1773	228	9	carl	carl	PROPN
expositions-1773	228	10	sagan	sagan	PROPN
expositions-1773	228	11	’s	’s	PART
expositions-1773	228	12	wonderful	wonderful	ADJ
expositions-1773	228	13	insight	insight	NOUN
expositions-1773	228	14	—	—	PUNCT
expositions-1773	228	15	that	that	SCONJ
expositions-1773	228	16	we	we	PRON
expositions-1773	228	17	are	be	AUX
expositions-1773	228	18	made	make	VERB
expositions-1773	228	19	of	of	ADP
expositions-1773	228	20	stardust	stardust	NOUN
expositions-1773	228	21	—	—	PUNCT
expositions-1773	228	22	is	be	AUX
expositions-1773	228	23	incomplete	incomplete	ADJ
expositions-1773	228	24	without	without	ADP
expositions-1773	228	25	also	also	ADV
expositions-1773	228	26	understanding	understand	VERB
expositions-1773	228	27	that	that	SCONJ
expositions-1773	228	28	our	our	PRON
expositions-1773	228	29	planet	planet	NOUN
expositions-1773	228	30	has	have	AUX
expositions-1773	228	31	done	do	VERB
expositions-1773	228	32	the	the	DET
expositions-1773	228	33	complicated	complicated	ADJ
expositions-1773	228	34	,	,	PUNCT
expositions-1773	228	35	sophisticated	sophisticated	ADJ
expositions-1773	228	36	job	job	NOUN
expositions-1773	228	37	of	of	ADP
expositions-1773	228	38	separating	separate	VERB
expositions-1773	228	39	that	that	DET
expositions-1773	228	40	stardust	stardust	NOUN
expositions-1773	228	41	into	into	ADP
expositions-1773	228	42	its	its	PRON
expositions-1773	228	43	constituent	constituent	ADJ
expositions-1773	228	44	elements	element	NOUN
expositions-1773	228	45	,	,	PUNCT
expositions-1773	228	46	which	which	PRON
expositions-1773	228	47	makes	make	VERB
expositions-1773	228	48	them	they	PRON
expositions-1773	228	49	useful	useful	ADJ
expositions-1773	228	50	for	for	ADP
expositions-1773	228	51	constructing	construct	VERB
expositions-1773	228	52	rocks	rock	NOUN
expositions-1773	228	53	,	,	PUNCT
expositions-1773	228	54	animals	animal	NOUN
expositions-1773	228	55	,	,	PUNCT
expositions-1773	228	56	plants	plant	NOUN
expositions-1773	228	57	,	,	PUNCT
expositions-1773	228	58	human	human	ADJ
expositions-1773	228	59	beings	being	NOUN
expositions-1773	228	60	,	,	PUNCT
expositions-1773	228	61	and	and	CCONJ
expositions-1773	228	62	our	our	PRON
expositions-1773	228	63	technological	technological	ADJ
expositions-1773	228	64	world	world	NOUN
expositions-1773	228	65	.	.	PUNCT
expositions-1773	228	66	      	      	SPACE
expositions-1773	229	1	endnotes	endnote	VERB
expositions-1773	229	2	1	1	NUM
expositions-1773	229	3	.	.	PUNCT
expositions-1773	230	1	three	three	NUM
expositions-1773	230	2	terms	term	NOUN
expositions-1773	230	3	used	use	VERB
expositions-1773	230	4	in	in	ADP
expositions-1773	230	5	this	this	DET
expositions-1773	230	6	essay	essay	NOUN
expositions-1773	230	7	may	may	AUX
expositions-1773	230	8	at	at	ADP
expositions-1773	230	9	first	first	ADV
expositions-1773	230	10	be	be	AUX
expositions-1773	230	11	confusing	confusing	ADJ
expositions-1773	230	12	:	:	PUNCT
expositions-1773	230	13	“	"	PUNCT
expositions-1773	230	14	silicon	silicon	NOUN
expositions-1773	230	15	”	"	PUNCT
expositions-1773	230	16	means	mean	VERB
expositions-1773	230	17	element	element	NOUN
expositions-1773	230	18	14	14	NUM
expositions-1773	230	19	,	,	PUNCT
expositions-1773	230	20	si	si	X
expositions-1773	230	21	.	.	PUNCT
expositions-1773	230	22	“	"	PUNCT
expositions-1773	230	23	silica	silica	NOUN
expositions-1773	230	24	”	"	PUNCT
expositions-1773	230	25	is	be	AUX
expositions-1773	230	26	the	the	DET
expositions-1773	230	27	combination	combination	NOUN
expositions-1773	230	28	sio2	sio2	NOUN
expositions-1773	230	29	,	,	PUNCT
expositions-1773	230	30	which	which	PRON
expositions-1773	230	31	is	be	AUX
expositions-1773	230	32	the	the	DET
expositions-1773	230	33	formula	formula	NOUN
expositions-1773	230	34	of	of	ADP
expositions-1773	230	35	the	the	DET
expositions-1773	230	36	mineral	mineral	NOUN
expositions-1773	230	37	quartz	quartz	NOUN
expositions-1773	230	38	.	.	PUNCT
expositions-1773	231	1	“	"	PUNCT
expositions-1773	231	2	silicate	silicate	NOUN
expositions-1773	231	3	”	"	PUNCT
expositions-1773	231	4	refers	refer	VERB
expositions-1773	231	5	to	to	ADP
expositions-1773	231	6	a	a	DET
expositions-1773	231	7	mineral	mineral	NOUN
expositions-1773	231	8	containing	contain	VERB
expositions-1773	231	9	silicon	silicon	NOUN
expositions-1773	231	10	and	and	CCONJ
expositions-1773	231	11	oxygen	oxygen	NOUN
expositions-1773	231	12	,	,	PUNCT
expositions-1773	231	13	such	such	ADJ
expositions-1773	231	14	as	as	ADP
expositions-1773	231	15	olivine	olivine	NOUN
expositions-1773	231	16	(	(	PUNCT
expositions-1773	231	17	mg2sio4	mg2sio4	PROPN
expositions-1773	231	18	)	)	PUNCT
expositions-1773	231	19	,	,	PUNCT
expositions-1773	231	20	with	with	ADP
expositions-1773	231	21	a	a	DET
expositions-1773	231	22	structure	structure	NOUN
expositions-1773	231	23	based	base	VERB
expositions-1773	231	24	on	on	ADP
expositions-1773	231	25	the	the	DET
expositions-1773	231	26	“	"	PUNCT
expositions-1773	231	27	silicate	silicate	NOUN
expositions-1773	231	28	tetrahedron”—a	tetrahedron”—a	NOUN
expositions-1773	231	29	single	single	ADJ
expositions-1773	231	30	small	small	ADJ
expositions-1773	231	31	silicon	silicon	NOUN
expositions-1773	231	32	atom	atom	NOUN
expositions-1773	231	33	surrounded	surround	VERB
expositions-1773	231	34	by	by	ADP
expositions-1773	231	35	four	four	NUM
expositions-1773	231	36	large	large	ADJ
expositions-1773	231	37	oxygen	oxygen	NOUN
expositions-1773	231	38	atoms	atom	NOUN
expositions-1773	231	39	in	in	ADP
expositions-1773	231	40	a	a	DET
expositions-1773	231	41	tetrahedral	tetrahedral	ADJ
expositions-1773	231	42	arrangement	arrangement	NOUN
expositions-1773	231	43	.	.	PUNCT
expositions-1773	232	1	in	in	ADP
expositions-1773	232	2	addition	addition	NOUN
expositions-1773	232	3	,	,	PUNCT
expositions-1773	232	4	“	"	PUNCT
expositions-1773	232	5	silicone	silicone	NOUN
expositions-1773	232	6	”	"	PUNCT
expositions-1773	232	7	is	be	AUX
expositions-1773	232	8	a	a	DET
expositions-1773	232	9	synthetic	synthetic	ADJ
expositions-1773	232	10	material	material	NOUN
expositions-1773	232	11	made	make	VERB
expositions-1773	232	12	of	of	ADP
expositions-1773	232	13	silicon	silicon	NOUN
expositions-1773	232	14	,	,	PUNCT
expositions-1773	232	15	oxygen	oxygen	NOUN
expositions-1773	232	16	,	,	PUNCT
expositions-1773	232	17	carbon	carbon	NOUN
expositions-1773	232	18	,	,	PUNCT
expositions-1773	232	19	and	and	CCONJ
expositions-1773	232	20	hydrogen	hydrogen	NOUN
expositions-1773	232	21	;	;	PUNCT
expositions-1773	232	22	it	it	PRON
expositions-1773	232	23	is	be	AUX
expositions-1773	232	24	not	not	PART
expositions-1773	232	25	an	an	DET
expositions-1773	232	26	earth	earth	NOUN
expositions-1773	232	27	material	material	NOUN
expositions-1773	232	28	and	and	CCONJ
expositions-1773	232	29	does	do	AUX
expositions-1773	232	30	not	not	PART
expositions-1773	232	31	enter	enter	VERB
expositions-1773	232	32	our	our	PRON
expositions-1773	232	33	story	story	NOUN
expositions-1773	232	34	.	.	PUNCT
expositions-1773	233	1	2	2	X
expositions-1773	233	2	.	.	X
expositions-1773	233	3	big	big	ADJ
expositions-1773	233	4	history	history	NOUN
expositions-1773	233	5	is	be	AUX
expositions-1773	233	6	a	a	DET
expositions-1773	233	7	vast	vast	ADJ
expositions-1773	233	8	topic	topic	NOUN
expositions-1773	233	9	,	,	PUNCT
expositions-1773	233	10	so	so	ADV
expositions-1773	233	11	fred	fred	PROPN
expositions-1773	233	12	spier	spier	PROPN
expositions-1773	233	13	has	have	AUX
expositions-1773	233	14	suggested	suggest	VERB
expositions-1773	233	15	the	the	DET
expositions-1773	233	16	writing	writing	NOUN
expositions-1773	233	17	of	of	ADP
expositions-1773	233	18	“	"	PUNCT
expositions-1773	233	19	little	little	ADJ
expositions-1773	233	20	big	big	ADJ
expositions-1773	233	21	histories	history	NOUN
expositions-1773	233	22	,	,	PUNCT
expositions-1773	233	23	”	"	PUNCT
expositions-1773	233	24	exploring	explore	VERB
expositions-1773	233	25	all	all	DET
expositions-1773	233	26	the	the	DET
expositions-1773	233	27	history	history	NOUN
expositions-1773	233	28	that	that	PRON
expositions-1773	233	29	lies	lie	VERB
expositions-1773	233	30	behind	behind	ADP
expositions-1773	233	31	some	some	DET
expositions-1773	233	32	feature	feature	NOUN
expositions-1773	233	33	of	of	ADP
expositions-1773	233	34	our	our	PRON
expositions-1773	233	35	world	world	NOUN
expositions-1773	233	36	.	.	PUNCT
expositions-1773	234	1	so	so	ADV
expositions-1773	234	2	there	there	PRON
expositions-1773	234	3	could	could	AUX
expositions-1773	234	4	be	be	AUX
expositions-1773	234	5	little	little	ADJ
expositions-1773	234	6	big	big	ADJ
expositions-1773	234	7	histories	history	NOUN
expositions-1773	234	8	of	of	ADP
expositions-1773	234	9	cats	cat	NOUN
expositions-1773	234	10	,	,	PUNCT
expositions-1773	234	11	of	of	ADP
expositions-1773	234	12	a	a	DET
expositions-1773	234	13	language	language	NOUN
expositions-1773	234	14	,	,	PUNCT
expositions-1773	234	15	or	or	CCONJ
expositions-1773	234	16	of	of	ADP
expositions-1773	234	17	silicon	silicon	NOUN
expositions-1773	234	18	,	,	PUNCT
expositions-1773	234	19	as	as	ADP
expositions-1773	234	20	in	in	ADP
expositions-1773	234	21	this	this	DET
expositions-1773	234	22	essay	essay	NOUN
expositions-1773	234	23	.	.	PUNCT
expositions-1773	235	1	3	3	X
expositions-1773	235	2	.	.	X
expositions-1773	235	3	an	an	DET
expositions-1773	235	4	example	example	NOUN
expositions-1773	235	5	of	of	ADP
expositions-1773	235	6	the	the	DET
expositions-1773	235	7	silicon	silicon	NOUN
expositions-1773	235	8	-	-	PUNCT
expositions-1773	235	9	based	base	VERB
expositions-1773	235	10	-	-	PUNCT
expositions-1773	235	11	life	life	NOUN
expositions-1773	235	12	concept	concept	NOUN
expositions-1773	235	13	is	be	AUX
expositions-1773	235	14	the	the	DET
expositions-1773	235	15	star	star	PROPN
expositions-1773	235	16	trek	trek	PROPN
expositions-1773	235	17	episode	episode	NOUN
expositions-1773	235	18	,	,	PUNCT
expositions-1773	235	19	“	"	PUNCT
expositions-1773	235	20	the	the	DET
expositions-1773	235	21	devil	devil	NOUN
expositions-1773	235	22	in	in	ADP
expositions-1773	235	23	the	the	DET
expositions-1773	235	24	dark	dark	NOUN
expositions-1773	235	25	.	.	PUNCT
expositions-1773	235	26	”	"	PUNCT
expositions-1773	236	1	4	4	NUM
expositions-1773	236	2	.	.	PUNCT
expositions-1773	237	1	this	this	DET
expositions-1773	237	2	question	question	NOUN
expositions-1773	237	3	is	be	AUX
expositions-1773	237	4	answered	answer	VERB
expositions-1773	237	5	in	in	ADP
expositions-1773	237	6	detail	detail	NOUN
expositions-1773	237	7	in	in	ADP
expositions-1773	237	8	an	an	DET
expositions-1773	237	9	excellent	excellent	ADJ
expositions-1773	237	10	little	little	ADJ
expositions-1773	237	11	book	book	NOUN
expositions-1773	237	12	:	:	PUNCT
expositions-1773	237	13	broecker	broecker	NOUN
expositions-1773	237	14	1988	1988	NUM
expositions-1773	237	15	,	,	PUNCT
expositions-1773	237	16	291	291	NUM
expositions-1773	237	17	.	.	NOUN
expositions-1773	238	1	5	5	NUM
expositions-1773	238	2	.	.	X
expositions-1773	238	3	nick	nick	PROPN
expositions-1773	238	4	and	and	CCONJ
expositions-1773	238	5	kathy	kathy	PROPN
expositions-1773	238	6	’s	’s	PART
expositions-1773	238	7	remarkable	remarkable	ADJ
expositions-1773	238	8	big	big	ADJ
expositions-1773	238	9	history	history	NOUN
expositions-1773	238	10	museum	museum	NOUN
expositions-1773	238	11	exhibit	exhibit	PROPN
expositions-1773	238	12	,	,	PUNCT
expositions-1773	238	13	from	from	ADP
expositions-1773	238	14	the	the	DET
expositions-1773	238	15	big	big	PROPN
expositions-1773	238	16	bang	bang	NOUN
expositions-1773	238	17	to	to	ADP
expositions-1773	238	18	the	the	DET
expositions-1773	238	19	world	world	NOUN
expositions-1773	238	20	wide	wide	ADJ
expositions-1773	238	21	web	web	NOUN
expositions-1773	238	22	,	,	PUNCT
expositions-1773	238	23	is	be	AUX
expositions-1773	238	24	available	available	ADJ
expositions-1773	238	25	online	online	ADV
expositions-1773	238	26	at	at	ADP
expositions-1773	238	27	http://www.bigbangtowww.org/	http://www.bigbangtowww.org/	NOUN
expositions-1773	238	28	we	we	PRON
expositions-1773	238	29	are	be	AUX
expositions-1773	238	30	stardust	stardust	PROPN
expositions-1773	238	31	…	…	PUNCT
expositions-1773	238	32	concentrated	concentrate	VERB
expositions-1773	238	33	by	by	ADP
expositions-1773	238	34	earth	earth	NOUN
expositions-1773	238	35	!	!	PUNCT
expositions-1773	239	1	84	84	NUM
expositions-1773	239	2	    	    	SPACE
expositions-1773	239	3	6	6	NUM
expositions-1773	239	4	.	.	PUNCT
expositions-1773	240	1	a	a	DET
expositions-1773	240	2	huge	huge	ADJ
expositions-1773	240	3	quarry	quarry	NOUN
expositions-1773	240	4	in	in	ADP
expositions-1773	240	5	illinois	illinois	PROPN
expositions-1773	240	6	that	that	PRON
expositions-1773	240	7	extracts	extract	VERB
expositions-1773	240	8	ordovician	ordovician	ADJ
expositions-1773	240	9	sand	sand	NOUN
expositions-1773	240	10	,	,	PUNCT
expositions-1773	240	11	for	for	ADP
expositions-1773	240	12	use	use	NOUN
expositions-1773	240	13	in	in	ADP
expositions-1773	240	14	glass	glass	NOUN
expositions-1773	240	15	making	making	NOUN
expositions-1773	240	16	,	,	PUNCT
expositions-1773	240	17	from	from	ADP
expositions-1773	240	18	deposits	deposit	NOUN
expositions-1773	240	19	about	about	ADP
expositions-1773	240	20	455–460	455–460	NUM
expositions-1773	240	21	million	million	NUM
expositions-1773	240	22	years	year	NOUN
expositions-1773	240	23	old	old	ADJ
expositions-1773	240	24	,	,	PUNCT
expositions-1773	240	25	can	can	AUX
expositions-1773	240	26	be	be	AUX
expositions-1773	240	27	seen	see	VERB
expositions-1773	240	28	on	on	ADP
expositions-1773	240	29	bing	bing	NOUN
expositions-1773	240	30	maps	map	NOUN
expositions-1773	240	31	or	or	CCONJ
expositions-1773	240	32	google	google	PROPN
expositions-1773	240	33	earth	earth	NOUN
expositions-1773	240	34	at	at	ADP
expositions-1773	240	35	41	41	NUM
expositions-1773	240	36	°	°	NOUN
expositions-1773	240	37	20.529	20.529	NUM
expositions-1773	240	38	'	'	CCONJ
expositions-1773	240	39	n	n	CCONJ
expositions-1773	240	40	,	,	PUNCT
expositions-1773	240	41	88	88	NUM
expositions-1773	240	42	°	°	NOUN
expositions-1773	240	43	52.636	52.636	NUM
expositions-1773	240	44	'	'	PUNCT
expositions-1773	240	45	w.	w.	PROPN
expositions-1773	240	46	works	works	PROPN
expositions-1773	240	47	cited	cite	VERB
expositions-1773	240	48	broecker	broecker	ADV
expositions-1773	240	49	,	,	PUNCT
expositions-1773	240	50	wallace	wallace	PROPN
expositions-1773	240	51	.	.	PUNCT
expositions-1773	241	1	1988	1988	NUM
expositions-1773	241	2	.	.	PUNCT
expositions-1773	242	1	how	how	SCONJ
expositions-1773	242	2	to	to	PART
expositions-1773	242	3	build	build	VERB
expositions-1773	242	4	a	a	DET
expositions-1773	242	5	habitable	habitable	ADJ
expositions-1773	242	6	planet	planet	NOUN
expositions-1773	242	7	.	.	PUNCT
expositions-1773	243	1	new	new	PROPN
expositions-1773	243	2	york	york	PROPN
expositions-1773	243	3	:	:	PUNCT
expositions-1773	243	4	eldigio	eldigio	PROPN
expositions-1773	243	5	press	press	PROPN
expositions-1773	243	6	.	.	PUNCT
expositions-1773	244	1	christian	christian	PROPN
expositions-1773	244	2	,	,	PUNCT
expositions-1773	244	3	david	david	PROPN
expositions-1773	244	4	,	,	PUNCT
expositions-1773	244	5	cynthia	cynthia	PROPN
expositions-1773	244	6	stokes	stokes	PROPN
expositions-1773	244	7	brown	brown	PROPN
expositions-1773	244	8	,	,	PUNCT
expositions-1773	244	9	and	and	CCONJ
expositions-1773	244	10	craig	craig	PROPN
expositions-1773	244	11	benjamin	benjamin	PROPN
expositions-1773	244	12	.	.	PROPN
expositions-1773	244	13	2013	2013	NUM
expositions-1773	244	14	.	.	PUNCT
expositions-1773	245	1	big	big	ADJ
expositions-1773	245	2	history	history	NOUN
expositions-1773	245	3	:	:	PUNCT
expositions-1773	245	4	between	between	ADP
expositions-1773	245	5	nothing	nothing	PRON
expositions-1773	245	6	and	and	CCONJ
expositions-1773	245	7	everything	everything	PRON
expositions-1773	245	8	.	.	PUNCT
expositions-1773	246	1	princeton	princeton	PROPN
expositions-1773	246	2	:	:	PUNCT
expositions-1773	246	3	mcgraw	mcgraw	PROPN
expositions-1773	246	4	-	-	PUNCT
expositions-1773	246	5	hill	hill	PROPN
expositions-1773	246	6	.	.	PUNCT
expositions-1773	247	1	dickinson	dickinson	PROPN
expositions-1773	247	2	,	,	PUNCT
expositions-1773	247	3	william	william	PROPN
expositions-1773	247	4	r.	r.	PROPN
expositions-1773	247	5	,	,	PUNCT
expositions-1773	247	6	and	and	CCONJ
expositions-1773	247	7	george	george	PROPN
expositions-1773	247	8	e.	e.	PROPN
expositions-1773	247	9	gehrels	gehrels	PROPN
expositions-1773	247	10	.	.	PUNCT
expositions-1773	248	1	2009	2009	NUM
expositions-1773	248	2	.	.	PUNCT
expositions-1773	249	1	“	"	PUNCT
expositions-1773	249	2	u	u	NOUN
expositions-1773	249	3	-	-	NOUN
expositions-1773	249	4	pb	pb	ADP
expositions-1773	249	5	ages	age	NOUN
expositions-1773	249	6	of	of	ADP
expositions-1773	249	7	detrital	detrital	ADJ
expositions-1773	249	8	zircons	zircon	NOUN
expositions-1773	249	9	in	in	ADP
expositions-1773	249	10	jurassic	jurassic	ADJ
expositions-1773	249	11	eolian	eolian	NOUN
expositions-1773	249	12	and	and	CCONJ
expositions-1773	249	13	associated	associated	ADJ
expositions-1773	249	14	sandstones	sandstone	NOUN
expositions-1773	249	15	of	of	ADP
expositions-1773	249	16	the	the	DET
expositions-1773	249	17	colorado	colorado	NOUN
expositions-1773	249	18	plateau	plateau	NOUN
expositions-1773	249	19	:	:	PUNCT
expositions-1773	249	20	evidence	evidence	NOUN
expositions-1773	249	21	for	for	ADP
expositions-1773	249	22	transcontinental	transcontinental	ADJ
expositions-1773	249	23	dispersal	dispersal	NOUN
expositions-1773	249	24	and	and	CCONJ
expositions-1773	249	25	intraregional	intraregional	ADJ
expositions-1773	249	26	recycling	recycling	NOUN
expositions-1773	249	27	of	of	ADP
expositions-1773	249	28	sediment	sediment	NOUN
expositions-1773	249	29	.	.	PUNCT
expositions-1773	249	30	”	"	PUNCT
expositions-1773	250	1	geological	geological	ADJ
expositions-1773	250	2	society	society	NOUN
expositions-1773	250	3	of	of	ADP
expositions-1773	250	4	america	america	PROPN
expositions-1773	250	5	bulletin	bulletin	PROPN
expositions-1773	250	6	121.3–4	121.3–4	NUM
expositions-1773	250	7	:	:	PUNCT
expositions-1773	251	1	408–433	408–433	NUM
expositions-1773	251	2	.	.	PUNCT