الفهرس 
Geophysical studiesOnly 14 pages are availabe for public view
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Abstract
Galala is a new promising city developed by the Egyptian government in the Eastern Desert above the Northern Galala Plateau, western side of Gulf of Suez. The main aim of the present study is to help decision makers in planning the new city by delineating the subsurface lineaments/faults to avoid future disasters for roads, urban areas and infrastructure. Furthermore, the thickness and facies type of the sedimentary cover is determined in order to study the shallow groundwater aquifer, which is essential to start a new urban area. The lithological succession at the study area consist mainly of Phanerozoic sedimentary facies, which unconformably overlie the Precambrian basement complex. The sedimentary facies can be classified into clasticdominated and carbonate-dominated rocks. The clastic-dominated rocks extend from Paleozoic to Lower Cretaceous (Nubian Sandstone)exposed at the southern part of the city, at wadi Araba and the Southern cliff of the Northern Galala plateau, and might be represent the shallow groundwater aquifer. The Upper Cretaceous to Eocene carbonatedominated rocks constitute the basal part of the New Galala city.Qualitative and quantitative analysis for aeromagnetic data, the total aeromagnetic anomaly map was reduced to the pole, then different separation techniques (filtering techniques including high pass and low pass were applied on the different maps to obtain the residual component caused by local structures and anomalous bodies. Depth to basement is estimated to delineate the thickness of sedimentary cover by different methods and ranging from 378m to 4390m by radially averaged power spectrum method. The magnetic data has been subjected to different techniques of processing and interpretation to better understand the tectonic setting of the study area. These treatments have proved that the predominant structures within the area are mainly faults and extruding bodies which are profound. The former one deduced from magnetic map and their filtered maps indicated that the study area is affected by fault lines, arranged in main tectonic trends namely, the Gulf of Suez trend NW-SE, the Aqaba trend NE-SW and E-W. Detailed three land magnetic profiles have been conducted and processed to delineate the subsurface structures in the study area and define its relation to shallow aquifer. Nineteen groundwater samples have been collected and analyzed to estimate the origin of the dissolved ions and the geochemical processes influencing the groundwater chemistry. The hydrochemical analyses of the groundwater samples suggested that seawater intrusion,evaporation, mineral weathering and ion-exchange are the main factors governing the groundwater chemistry. Most of the groundwater samples are characterized by recent marine and deep meteoric origins. The collected Samples have been evaluated for different purposes on the basis of standard guidelines.