id	keyword
gc-9	galala
gc-9	southern
gc-9	formation
gc-9	section
gc-9	umm
gc-9	fig
gc-9	palaeocene
gc-9	campanian
gc-9	sample
gc-9	galala formation
gc-9	maastrichtian
gc-9	figs
gc-9	deposit
gc-9	foraminifera
gc-9	area
gc-9	study