Application of magnetic and resistivity for groundwater investigations at North Al Ain Sokhona – Cairo Road, Al Ain Sokhna, Egypt

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Abstract

The present study aims to  delineate different types of the ground water accumulations in the northwest Gulf of Suez using geoelectrical and magnetic measurements. Twenty-one Vertical Electrical Soundings (VES) to determined groundwater potentialities. Based onthe quantitative geoelectrical analysis, the subsurface sequence consists of six geoelectrical layers; The first layer belonging to Quaternary period and built up of dry sand and gravels. The second layer belonging to the upper Miocene and built up of sandstone and limestone. The thirdlayer belonging to middle Miocene and formed of limestone and sandy clay. The fourth layer belonging to lower Miocene and composed of limestone and clayey limestone. The fifth layer belonging to the Oligocene and Upper Eocene clay and consists of clayey and sandstone. The sixth layer belonging to the Middle Eocene composed of limestone. Quantitative geoelectrical analysis of the study area also concluded that there are two water-bearing geoelectrical layers (aquifers), the second geoelectric unit represents the fresh water aquiferwhile the third geoelectric unit layer represents the brackish aquifer. The results of magnetic interpretation indicate that the area under study dissected by fault elements of N-S and NE-SW. The depth to the basement ranges from (1925–1998 m).

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NRIAG Journal of Astronomy and Geophysics
Volume 9, Issue 1
January 2020
Pages 280-288

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