الفهرس 
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Abstract
The study area forms the northern portion of Arabian - Nubian Shield in the Southern Sinai Peninsula between latitudes 29º 00” and 29° 15” N and longitudes 34° 27 55” and 34° 45 00” E covering about 365 km² . The present thesis concerns with the petrology of the Precambrian rocks crop out in the area Geochemical and fluid inclusion investigation of younger granite and pegrnatites were carried out. Also some attention was paid to the minerallization which comprises a general studying of wadi deposits, mineral deposits and radioactivty.