id	keyword
esrj-105459	� �
esrj-105459	gravity
esrj-105459	sediment
esrj-105459	data
esrj-105459	nigeria
esrj-105459	thickness
esrj-105459	study
esrj-105459	density
esrj-105459	gravity data
esrj-105459	area
esrj-105459	benue
esrj-105459	trough
esrj-105459	et al
esrj-105459	sediment thickness
esrj-105459	southern
esrj-105459	depths
esrj-105459	model
esrj-105459	residual
esrj-105459	basement