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Sédimentologie et paléogéographie du Permo-Trias du Haut Atlas central (Maroc)

Abstract : The Central High Atlas permo-triassic serie (Morocco) is studied for many aspects: From the stratigraphic, sedimentologic and paleontologic points or view, six formations are recognized ; Fl and F2 (attribued to the Permian by the way of facies analogies with torrential deposits ; F3 (exact age unknown) ; it is characterized by the occurence of caliche continental sedimentation glacis; F4, F5 (F5 is subdivided in three members F5a, F5b, F5e,) and F6 of late Triassic age. The paleontologie study of the fossiliferous layers (lamellibranchiata, pollens, gymnosperms, vertebrates prints shows a late earnian (Tuvalian) age, It is shown that the synsedimentary tectonics were molded on hercynian tectonics. The paleocurrents study, the study of the typaiogy of zircons and the petrographie study suggest a S., S.E. and E. origin of the sediment for the Anti-Atlas.
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Submitted on : Friday, June 8, 2012 - 8:11:41 AM
Last modification on : Thursday, November 19, 2020 - 3:54:26 PM
Long-term archiving on: : Sunday, September 9, 2012 - 3:30:11 AM


  • HAL Id : tel-00705637, version 1



Mohammed Elyoussi. Sédimentologie et paléogéographie du Permo-Trias du Haut Atlas central (Maroc). Stratigraphie. Université Scientifique et Médicale de Grenoble, 1986. Français. ⟨tel-00705637⟩



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