Dukamaje Formation
The Dukamaje Formation is a geological formation in Niger and Nigeria whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation. A wealth of Mosasaur fossils have also been recovered from this formation, particularly from the area around Mt. Igdaman.
| Dukamaje Formation | |
|---|---|
| Stratigraphic range: Maastrichtian | |
| Type | Geological formation |
| Sub-units | Gypsiferous shale Member |
| Lithology | |
| Primary | Mudstone, shale |
| Other | Siltstone, marl, gypsum |
| Location | |
| Coordinates | 15.4°N 5.8°E |
| Approximate paleocoordinates | 5.1°N 0.6°E |
| Region | Tahoua Sokoto |
| Country | Niger Nigeria |
| Extent | Iullemmeden Basin |
| Type section | |
| Named for | Dukamaje, Sokoto, Nigeria |
Dukamaje Formation (Niger) | |
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