Earth:El Mers Formation

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El Mers Formation
Stratigraphic range: Bathonian–Callovian
TypeGeological formation
UnderliesIouaridene Formation
OverliesTilougguit Formation
Lithology
PrimaryClaystone
Location
RegionAfrica
Country Morocco
ExtentHigh 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