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)