الفهرس 
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Abstract
The study area is located in the southwestern corner of the western Desert, Egypt delineated by longitudes 25 to 26 30 E and latitudes 22 to23 20 N at the border between Egypt with libya and sudan. it is considered as one of the most important promising areas for reclamation projects and urban growth, covering an area of about 1660 km The rock units in the study area can be arranged in ages from precambrian mainly granite to Quaternary ages mainly sandy sediments