id	keyword
esrj-21115	tar
esrj-21115	sand
esrj-21115	formation
esrj-21115	nigeria
esrj-21115	dose
esrj-21115	adegoke
esrj-21115	basin
esrj-21115	samples
esrj-21115	enu
esrj-21115	shale
esrj-21115	gamma
esrj-21115	geology