The outcropping Plio-Pleistocene lacustrine sediments around Sohag area extends as a separate belt occupying the proximity of fault-controlled escarpment, and are represented by the laterally interfingering Issawia and Armant formations. Based on lithofacies changes three models of lacustrine sedimentation could be identified; mixed siliciclastic-carbonates (modele 1), dominanatly siliciclastics (model, 2), and dominanantly carbonates sediments (model 3). In the first model ...
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