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Reference.org
Anoual Formation
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<p>The Anoual Formation is a <a href="/facts/Geological_formation/mMhpw4G2">geological formation</a> in the <a href="/facts/High_Atlas/LYuShzz7">High Atlas</a> of <a href="/facts/Morocco/6ly8170M">Morocco</a>. It is early <a href="/facts/Bathonian/wDyT99az">Bathonian</a> in age. It consists of two members. The lower member is several hundred metres thick, and consists largely of mudstone with lens beds of cross bedded sandstone, with thin intercalations of limestone that was deposited in a freshwater continental setting, likely lacustrine or palustrine, with small marine influences. The upper member is several tens of metres thick and consists of limestone deposited in a shallow marine setting. The formation is fossiliferous, with several of the limestone intercalations yielding a diverse fauna, including amphibians, reptiles, dinosaurs and mammals. </p>