id	keyword
geusb-4317	greenland
geusb-4317	east
geusb-4317	fig
geusb-4317	age
geusb-4317	formation
geusb-4317	jurassic
geusb-4317	zircon
geusb-4317	hareelv
geusb-4317	ages
geusb-4317	samples
geusb-4317	jameson
geusb-4317	east greenland
geusb-4317	sediments
geusb-4317	geological