AGE | FORMATIONS | ||||
SOUTHWESTERN NIGERIA BASIN | |||||
Onshore (Omatsola & Adegoke, 1981) | Offshore Billman (1992) | ||||
QUART. | PLEISTOCENE-RECENT | BENIN Fm. (COASTAL PLAIN SANDS) | BENIN Fm. | ||
TERTIARY | EOCENE-PLIOCENE | ILARO Fm. | IJEBU Fm. | ||
OSHOSUN Fm. | OSHOSUN Fm. | ||||
AKINBO Fm. | AKINBO Fm. | ||||
PALEOCENE | EWEKORO Fm. | IMO Fm. | |||
CRETACEOUS | CAMPANIAN-MAASTRICHTIAN | ABEOKUTA GROUP | ARAROMI Fm. | NKPORO Fm. | |
TURONIAN-CONIACIAN | AFOWO Fm. | AWGU Fm. | |||
ABEOKUTA Fm. (AFOWO Fm.) | |||||
NEOCOMIAN-CENOMAIAN | ISE Fm. | ||||
ISE Fm. (FOLDED SEDIMENTS) |