id	keyword
gc-27	sample jht
gc-27	berriasian
gc-27	sequence
gc-27	salpingoporella
gc-27	fig
gc-27	algae
gc-27	ramp
gc-27	formation
gc-27	foraminifera
gc-27	radoičić
gc-27	geologia
gc-27	valanginian
gc-27	deposits