id	keyword
esrj-37617	metacarbonate
esrj-37617	rock
esrj-37617	figure
esrj-37617	table
esrj-37617	nigeria
esrj-37617	mamfe
esrj-37617	nsofang
esrj-37617	mgo
esrj-37617	ppm
esrj-37617	elements
esrj-37617	trace
esrj-37617	cao
esrj-37617	earth
esrj-37617	al2o3
esrj-37617	embayment
esrj-37617	sample
esrj-37617	concentration
esrj-37617	dolomite
esrj-37617	data
esrj-37617	eastern
esrj-37617	metacarbonate rocks
esrj-37617	log
esrj-37617	cameroon