Abstract

The Eastern Meseta of Morocco was deformed during Early Carboniferous orogenesis ( ca. 360 Ma) resulting in west vergent thrusts. The Azrou-Khenifra basin developed during the Carboniferous at the western margin of the orogenic belt, and was bounded (from the Late Devonian to Early Carboniferous) by two parallel northeast-southwest trending dextral faults. Sedimentation within the basin was tectonically controlled by tilting of basement blocks. Subsequently, the eastern basin-bounding fault was reactivated as a reverse fault, resulting in deformation of the eastern part of the basin and a westward migration of the depocentre. The overall tectonic evolution from a transtensive to a foreland-type basin may be related to a clockwise rotation of the regional shortening direction.

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