| Logbadjeck Formation | |
| Type: | Geological formation |
| Age: | Late Turonian-early Campanian ~ |
| Period: | Late Cretaceous |
| Prilithology: | Shale, limestone, marl |
| Otherlithology: | Siltstone, sandstone |
| Region: | Southwest Region |
| Country: |  Cameroon |
| Coordinates: | 3.9°N 10°W |
| Paleocoordinates: | -8.8°N -41.4°W |
| Underlies: | Logbaba Formation |
| Overlies: | Mundeck Formation |
| Extent: | Douala Basin |
The Logbadjeck Formation, also known as the Mungo River Formation, is a Late Cretaceous geologic formation in Cameroon. It is Turonian to Campanian in age, and represents a marine depositional environment.[1] Pterosaur fossils have been recovered from the formation.[2]