| Age | Geologic Unit | Lithology |
| Quaternary | Alluvium (general) fresh water back swamp meander belt. Mangrove and salt water. Back Swamps. Active/Abandoned Beach ridges Sombreiro Warri Delataic plain. | Gravel, sand, clay, silt, sand, clay, some silt gravel. Medium-fine sands. Clay and some silt. |
| Miocene | Benin Formation (coastal plain sand) | Coarse to medium grain sand with subordinate silt and clay lenses. Fluviatile marine. |
| Eocene | Agbada Formation | Mixture of sand, clay and silt, fluviatile marine. |
| Paleocene | Akata Formation | Clay (Marine Shales) |