Petrological and mineralogical characteristics of younger granites and pegmatites in the Wadi Haleifiya area,southeastern Sinai,Egypt |
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| Authors: | R I El Gharbawy M G El Feky M M El Galy W M El Maadawy |
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| Institution: | El Gharbawy R.I.2,El Feky M.G.1*,El Galy M.M.1,and El Maadawy W.M.1 1 Nuclear Materials Authority,P.O. Box 030,Maadi,Egypt 2 Faculty of Science,Ain Shams Univeristy,Cairo,Egypt |
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| Abstract: | This study is concerned with the radioactivity and mineralogy of the younger granites and pegmatites in the Wadi Haleifiya area, southeastern Sinai Peninsula, Egypt. The area is occupied by metasediments, migmatites, older and younger granites. Most of these rocks, especially granites, are dissected by mafic and felsic dykes as well as pegmatites. The younger granites are represented by three main varieties: monzogranites, syenogranites and alkali feldspar granites. The monzogranite consists essentially of ... |
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| Keywords: | Wadi Haleifiya younger granite pegmatite uranophane uranothorite thorite |
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