Earth:Logbadjeck Formation
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| Logbadjeck Formation Stratigraphic range: Late Turonian-early Campanian ~90–80 Ma | |
|---|---|
| Type | Geological formation |
| Underlies | Logbaba Formation |
| Overlies | Mundeck Formation |
| Lithology | |
| Primary | Shale, limestone, marl |
| Other | Siltstone, sandstone |
| Location | |
| Coordinates | [ ⚑ ] : 3°54′N 10°00′E / 3.9°N 10.0°E |
| Paleocoordinates | [ ⚑ ] 8°48′S 41°24′W / 8.8°S 41.4°W |
| Region | Southwest Region |
| Country | Cameroon |
| Extent | Douala Basin |
  Logbadjeck Formation (Cameroon) | |
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]
Fossil content
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Pterosaurs
| Pterosaurs of the Logbadjeck Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Mollusks
Ammonites
| Ammonites of the Logbadjeck Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Bivalves
| Bivalves of the Logbadjeck Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Exogyra | E. ponderosa | Southwest Region, Cameroon | Campanian | Shell | A gryphaeid oyster | |
Gastropods
| Gastropods of the Logbadjeck Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Pugnellus | P. bilobatus | Southwest Region, Cameroon | Campanian | Shell | A pugnellid stromboid | |
Microfossils
| Microfossils of the Logbadjeck Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
See also
- List of pterosaur-bearing stratigraphic units
References
- ↑ Anoh, Njoh Oliver; Petters, Sunday W. (November 2014). "Preliminary investigation of Late Turonian-Early Campanian shallow marine foraminifera of the Mungo River/Logbadjeck Formation, NW Douala Basin, Cameroon". Journal of African Earth Sciences 99: 442–451. doi:10.1016/j.jafrearsci.2013.11.003. ISSN 1464-343X. Bibcode: 2014JAfES..99..442A.
- ↑ M. J. Ntamak-Nida, B. Ketchemen-Tandia, R. V. Ewane, J. P. Lissock, and P. Courville. 2006. Nouvelles données sur les Mollusques et autres macro-organismes campaniens de Sikoum (Centre-Est du sous bassin de Douala-Cameroun): intérêts bio-chronologiques et paléo-écologiques. Africa Geoscience Review 13(4):385-394
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