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Magnetic Applications to Subsurface and Groundwater Investigations: A Case Study from Wadi El Assiuti, Egypt

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Document pages: 25 pages

Abstract: Wadi El Assiuti represents a promising area foragricultural development and building new communities far from theoverpopulated areas in the Nile Val-ley. An integrated approach ofsatellite-based data and geophysical data with borehole data was used for definingthe area of interest, the sediment thick-ness, delineating the subsurfacestructures, and mapping the depth to the basement rocks, and defining thegroundwater aquifers. Findings are: 1) Dramatic changes are detected in theanthropogenic activities at the entrance area of the wadi, making stress andheavy exploitation of the groundwater resources. However, the central andnortheastern regions show no development; 2) Several structural trends in thedirections of NNW, NW, NE, and E-W are cutting the basement rocks andsedimentary cover; 3) The depth to the basement rocks is increasing eastwardfrom ~2.24 km to ~4.84 km; 4) Three groundwater-bearing reservoirs arerepresented by the shallow Qua-ternary, the fractured limestone, and the deepNubian sandstone aquifers; 5) The deep-seated faults are affecting the area andrising groundwater from the deeper Nubian aquifer along its sub-vertical trend;and 6) The results are in-formative and used to define the suitable sites forwater well drilling.

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