Reconnaissance de la structure géologique du bassin de saïss occidental, Maroc, par sondages électriques |
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Authors: | A Essahlaoui H Sahbi L Bahi N El-Yamine |
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Institution: | a Département de Géologie, Laboratoire de Géophysique Appliqueé et d'Hydrogéologie, Faculté des Sciences, BP 4010, Meknès, Maroc;b Département du Génie Minéral, Ecole Mohammadia d'Ingénieurs, Agdal, Rabat, Maroc |
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Abstract: | A geophysical study, based on 96 electrical resistivity measurements with a line length up to 4 km, was performed in the southern and southwestern parts of the Meknes Plateau, Morocco, which is a part of the Saiss Basin, located between the Rif Range to the north and the Middle Atlas Range to the south. This basin, whose maximum depth is 1.5km in the north, is filled with Triassic to Quaternary deposits overlying the Palæozoic basement and includes two main aquifers. The interpretation of the resistivity measurements, calibrated from deep boreholes, made it possible to obtain a new hydrogeological model for the Saiss Basin. The understanding of the basin structure is of primary importance for the water supply of this area, which has been affected by severe droughts in recent years. |
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