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The investigated area is located at the South Eastern Desert between latitudes 23o 15 ́ 00 ̋-23o 30 ́ 00 ̋ N and longitudes 35o 15 ́ 00 ̋35o 30 ́ 00 ̋ E (Fig. 1). The FCC image of band ratios covers a major part of study area (Fig. 2) is used in regional interpretation for general rock units identification and association. Topographically the area is generally characterized by low to moderate relief, but granitic hills form high peaks of relatively high elevation compared to the surrounding other rock units. Uranium mineralogy is complex with approximately 5% of all known minerals containing uranium as an essential structural constituent (Mandarino, 1999). These minerals display remarkable structural and chemical diversity reflecting the diverse occurrences of uranium in the earths crust (Plant et al., 1999). Uranium is uncommon amongst metallic ore elements by having significant portion of ore minerals that can host uranium in different valencies (Fig. 1). In the case of uranium this is as tetravalent or hexavalent uranium (Gorman-Lewis et al., 2008).

Gabal El Fereyid - Wadi Rahaba Area, South Eastern Desert, Egypt: Mineralization and Spectrometric Prospecting