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Les marqueurs structuraux et magmatiques de l'extension crustale au Protérozoïque terminal–Cambrien basal autour du massif de Kerdous (Anti-Atlas occidental, Maroc)
Authors:Abderrahmane Soulaimani  Abderrahim Essaifi  Nassrddine Youbi  Ahmid Hafid
Institution:aLaboratoire de géologie structurale et de pétrologie, faculté des sciences, BP 2390, Marrakech, Maroc;bLaboratoire de pétrologie, faculté des sciences et techniques, BP 618, Marrakech, Maroc
Abstract:During the Late Precambrian–Early Cambrian times, the borders of the Kerdous inlier were affected by normal faults where thick conglomerates (Ouarzazate Group: PIII), grading progressively upwards into Cambrian marine sediments, were accumulated along their hanging walls. This tectonic activity persisted during the Early Cambrian and was accompanied by a magmatic activity resulting mainly in the emplacement of continental tholeiitic basalts. These tectono-sedimentary and magmatic events are related to the crustal extensional episode that affected the northwestern Gondwana margin during the opening of the Iapetus Ocean during Late Proterozoic times. To cite this article: A. Soulaimani et al., C. R. Geoscience 336 (2004).
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