PERIOD	After [25]		After [23]		After [26]
PERIOD	Age	Formation	Age	Formation	Age	Formation
Quaternary	Recent	Alluvium			Recent	Alluvium
Tertiary	Pleistocene-Oligocene	Coastal Plain sand	Pleistocene-Oligocene	Coastal Plain sand	Pleistocene-Oligocene	Coastal Plain sand
	Eocene	Ilaro sandstone	Eocene	Ilaro sandstone/ Oshosun shale	Eocene	Ilaro sandstone/ Oshosun shale
	Paleocene	Ewekoro Limestone	Paleocene	Akinbo shale/ Ewekoro Limestone	Paleocene	Akinbo shale/ Ewekoro Limestone
Late Cretaceous	Late senonian	Abeokuta Formation	Maastrichtian to Neocomian	Araromi shale Afowo sandstone/shale	Maastrichtian to Neocomian	Araromi shale Afowo sandstone/shale
Late Cretaceous	Late senonian	Abeokuta Formation	Maastrichtian to Neocomian	Ise sandstone	Maastrichtian to Neocomian	Ise sandstone
Precambrian Basement Complex