id	keyword
esrj-98795	facies
esrj-98795	sandstone
esrj-98795	shendi
esrj-98795	fig
esrj-98795	elements
esrj-98795	miall
esrj-98795	area
esrj-98795	formation
esrj-98795	sudan
esrj-98795	basin
esrj-98795	cross
esrj-98795	quartz
esrj-98795	trough
esrj-98795	study
esrj-98795	fluvial
esrj-98795	sandstone facies
esrj-98795	channel
esrj-98795	iron
esrj-98795	atbara
esrj-98795	deposits