id	keyword
esrj-37618	shale
esrj-37618	claystone
esrj-37618	samples
esrj-37618	claystone samples
esrj-37618	bida
esrj-37618	basin
esrj-37618	rocks
esrj-37618	shale samples
esrj-37618	formation
esrj-37618	al2o3
esrj-37618	sio2
esrj-37618	patti
esrj-37618	tio2
esrj-37618	nigeria
esrj-37618	element
esrj-37618	ratios