id	keyword
esrj-39703	lead
esrj-39703	zinc
esrj-39703	area
esrj-39703	benue
esrj-39703	trough
esrj-39703	mineralization
esrj-39703	nigeria
esrj-39703	deposits
esrj-39703	barium
esrj-39703	barite
esrj-39703	ishiagu
esrj-39703	shales
esrj-39703	wanikande
esrj-39703	group
esrj-39703	gabu
esrj-39703	benue trough
esrj-39703	rocks
esrj-39703	geology