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Interprétation hydrogéologique de l'aquifère des bassins sud-rifains (Maroc) : apport de la sismique réflexion |
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| Authors: | Lahcen Zouhri Christian Gorini Christian Lamouroux Daniel Vachard Mohammed Dakki |
| Institution: | 1. Centre de calcul et de modélisation de Lens, faculté des sciences Jean-Perrin, université d''Artois, rue Jean-Souvras, BP 18, 62307 Lens cedex, France;2. Laboratoire de géologie structurale et géodynamique, USTL, 59655 Villeneuve d''Ascq cedex, France;3. Laboratoire de paléontologie et paléogéographie du Paléozoique, UMR 8014 CNRS, USTL, 59655 Villeneuve d''Ascq cedex, France;4. Office national de la recherche et de l''exploration pétrolière, Rabat, Maroc |
| Abstract: | The aquifer of the Rharb Basin is constituted by heterogeneous material. The seismic reflexion interpretation carried out in this area, highlighted a permeable device compartmentalized in raised and subsided blocks. Depressions identified in the northern and southernmost zones are characterized by Plio-Quaternary fillings that are favourable to the hydrogeological exploitation. Two mechanisms contribute to structure the Plio-Quaternary aquifer: the Hercynian reactivation in the southernmost part, and the gravitational mechanism of the Pre-Rifean nappe. The groundwater flow and the aquifer thickening are controlled by this reactivation. |
| Keywords: | aquifère perméables sismique mécanisme réactivation gravitationnel écoulements souterrains aquifer permeable seismic mechanism reactivation gravitational groundwater flow |
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