Analyse sismo-stratigraphique du bassin d'Abda (Maroc occidental), exemple de structures inverses pendant le rifting atlantiqueSeismo-stratigraphic analysis of the Abda Basin (West Morocco): a case of reverse structures during the Atlantic rifting |
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Authors: | Hassan Echarfaoui Mohamed Hafid Abdallah Aı̈t Salem Aı̈t Fora Abderrahmane |
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Affiliation: | 1. Laboratoire de géologie pétrolière et d''hydrogéologie (GPH), département de géologie, faculté des sciences, BP 133, Kénitra 14000, Maroc;2. Onarep, BP 8030, Rabat, Maroc |
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Abstract: | The review of the seismic reflection and well data from the coastal Abda Basin (western Morocco) shows that its Triassic and Jurassic sequences were deposited in a submeridean sag basin, whose eastern margin is characterised by progressive truncations and pinching out of these sequences against a prominent Palaeozoic high. The uplift of this latter is interpreted as a response to an Upper Triassic–Middle Jurassic local compressional event that controlled Triassic–Jurassic sedimentation within the Abda Basin. The present day ‘West Meseta Flexure’ is a surface expression of this uplift. To cite this article: H. Echarfaoui et al., C. R. Geoscience 334 (2002) 371–377. |
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Keywords: | Morocco passive margins Triassic Jurassic Atlantic rifting Maroc marges passives Trias Jurassique Atlantique Géophysique interne Internal Geophysics |
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