| | Journal (article/letter/editorial) | uranium and thorium minerals, Um Ara granites, south Eastern Desert, Egypt Hamdy H. Abd El-Naby Nuclear...Materials Authority, P.O. 530 El-Maadi, Cairo, Egypt a r t i c l e i n f o Article history: Received...2009 Available online 1 March 2009 Keywords: Egypt Um Ara U-rich thorite Thorite Zircon Uranophane Alteration...Alteration a b s t r a c t The Um Ara area, in the south Eastern Desert of Egypt contains a number of uranium...thorium-bearing minerals found in mineralized zones of the Um Ara alkali-feldspar granites; uranophane is the most | | Abdalla, Hamdy, Matsueda, Hiroharu, Ishihara, Shunso, Miura, Hiroyuki (1994) Mineral Chemistry of Albite-Enriched Granitoids at Um Ara, Southeastern Desert, Egypt. International Geology Review, 36 (11) 1067-1077 doi:10.1080/00206819409465505 | Journal (article/letter/editorial) | of Albite-Enriched Granitoids at Um Ara, Southeastern Desert, Egypt a a a Hamdy Abdalla , Hiroharu...of Albite-Enriched Granitoids at Um Ara, Southeastern Desert, Egypt, International Geology Review, 36:11...of Albite-Enriched Granitoids at Um Ara, Southeastern Desert, Egypt HAMDY ABDALLA, HIROHARU MATSUEDA...muscovite also are lies in the Southeastern Desert of Egypt was observed. Sphene, magnetite, apatite, and zirfound...stock was emplaced at the northern contact of the Um Ara controlled by a system of faults and fractures | | Bute, Saleh Ibrahim, Yang, Xiaoyong, Suh, Cheo Emmanuel, Girei, Musa Bala, Usman, Musa Bappah (2020) Mineralogy, geochemistry and ore genesis of Kanawa uranium mineralization, Hawal Massif, eastern Nigeria terrane: Implications for uranium prospecting in Nigeria and Cameroon. Ore Geology Reviews, 120. 103381 doi:10.1016/j.oregeorev.2020.103381 | Journal (article/letter/editorial) | Aberdeen, AB24 3UE, Scotland, UK Abstract The Kanawa area, Eastern Nigeria Terrane (ENT), located proximal...with its spatially associated Mesozoic rocks in area, we suggest that the U mineralization was probably...granite suggesting that U mineralization Ekomédion area was probably sourced from the granites. In contrast...probably sourced from the Mesozoic rocks in the area. These chains of Mesozoic volcanic and plutonic...could be linked to other mega shear zones in 2 Egypt and Saudi Arabia where similar U mineralization | | | Journal (article/letter/editorial) | 000 t), USA (595,000 t), Australia (595,000 t), Egypt (380,000 t), Turkey (374,000 t) and the CIS (excluding...cassiterite, xenotime, columbite, thorite, magnetite and galena occur in minor proportions. The AGB is peraluminous...the change of U-Pb-pyrochlore to columbite and galena; and the partial solubilization of zircon, with...are zircon, cassiterite, pyrochlore, columbite, galena, sphalerite, hematite, gagarinite and genthelvite...significant amounts of Pb and U. The Pb released formed galena and native lead, but U-bearing secondary minerals | | | Book | алмазного бурения и горных работ. 26 Вулканы Um Safi в Центрально-Восточной пустыне Египта ...проводившие минералогические исследования вулканитов зоны Um Safi, выявили наличие казолита, торита, ураноторита...отложениях (Um Bogma, Um Kharit Qattrani, Bahariya) 5) в алевролитах месторождения Hammamat (Um Tawat, Wadi...Примечание: - ниже порога обнаружения. El Missikat area (n=3) El Kammar, 1997 81.1 5.2 2 3.4 1.5 - SiO2...igneous and metamorphic rocks in Eastern Desert, Egypt//Appl Radiat Isot. 2006. Vol. 64. P. 131–137. 17 |
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