id	keyword
gc-1124	vr vr
gc-1124	r r
gc-1124	f vr
gc-1124	f r
gc-1124	f f
gc-1124	vr ko
gc-1124	calcareous
gc-1124	nannofossil
gc-1124	cretaceous
gc-1124	section
gc-1124	sample
gc-1124	maastrichtian
gc-1124	species
gc-1124	cruciplacolithus
gc-1124	et al
gc-1124	basin
gc-1124	doi
gc-1124	fig
gc-1124	formation
gc-1124	kırıkkale
gc-1124	base
gc-1124	danian