الفهرس 
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Abstract
In the present thesis, we uses remote sensing, field observation, petrographical investigation, mineralogical and geochemical methods to detailed map, evaluate and document the rare metals-bearing granites in northern Arabian Nubian Shield (ANS) in Egypt. Four areas (Wadi El-Hima, Umm Naggat, Homrit Waggat and Igla Ahmr), located in the Central Eastern Desert of Egypt, are discussed in detail.