id	keyword
geusb-4760	m level
geusb-4760	m b.s
geusb-4760	species
geusb-4760	skagen
geusb-4760	depth
geusb-4760	sediment
geusb-4760	holocene
geusb-4760	sequence
geusb-4760	sand
geusb-4760	marine
geusb-4760	occurs
geusb-4760	size
geusb-4760	specimens
geusb-4760	material