El Mers Group
| El Mers Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Underlies | Iouaridene Formation |
| Overlies | Tilougguit Formation |
| Lithology | |
| Primary | Claystone |
| Location | |
| Region | Africa |
| Country |  Morocco |
| Extent | High Atlas |
The El Mers Formation is a geological formation in the High Atlas of Morocco. It is a marine deposit consisting of claystone and is the lateral equivalent of the terrestrial Guettioua Sandstone. The sauropod dinosaur "Cetiosaurus" mogrebiensis has been found in the formation.[1]
References
- ^ Allain, Ronan; Aquesbi, Najat (2008). "Anatomy and phylogenetic relationships of Tazoudasaurus naimi (Dinosauria, Sauropoda) from the late Early Jurassic of Morocco" (PDF). Geodiversitas. 30 (2): 345–424.
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