id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
geusb-4640	Schovsbo, Niels H; Nielsen, Arne T; Gautier, Donald L	The Lower Palaeozoic shale gas play in Denmark	2014	4	.pdf	application/pdf	2483	111	56	The Danish shale gas play Shale gas is an unconventional energy resource in which gas is produced directly from a shale source rock. These black shales are thinner and less TOC-rich than the Alum Shale, but may still be interesting for shale gas exploration.	cache/geusb-4640.pdf	txt/geusb-4640.txt