In Morocco, the plio-quaternary aquifers of the Rharb basin are recognized by their high hydro geological potential and by the heterogeneity of their formations. The geological, lithostratigraphical and hydro geological studies allow the optimization of the exploitation of these aquifers. The present work, consist of utilizing a multi-sources data: geological, geoelectrical and hydro geological. The results obtained from the use of this data, concern the tridimensional geoelectrical modeling which helped to highlight the subdivision of South Sebou basin to at least two sub basins: coastal sub basin Ouled-salma-Morgane and sub basin of Rmila center, as well as the visualization of the lithostratigraphical limits in 3D for the first time. Comparative analysis of geoelectric cuts (WE, SW-NE and SSW-NNE) at the level of these two sub basins allows to highlight four big geoelectrical units distinct and more or less continuous.
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