 | | 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 |  | | Journal (article/letter/editorial) | | Eastern Desert of Egypt Mohamed F. Raslan Nuclear Materials Authority, El Maadi, Cairo, Egypt Abstract Uraniferous...radioactive granite plutons in the Eastern Desert of Egypt. Modal analysis of these grains indicates that weight...uranophane. 1. Introduction The granitic rocks in Egypt are broadly classified into two main groups: older...of the younger granites in the Eastern Desert of Egypt have been found to host significant uranium mineralization...as well as Gabal Gattar pluton in the north and Um Ara pluton in south (Dawood & Abdel-Naby, 2001) (Fig |  | 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 |  | | 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 |  | | 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...Chakoumakos, 1988), alkaline feldspar granites of Um Ara, Egypt (El-Naby, 2009), biotite granite from Ririwai...shear zone. The ore minerals are uranothorite and uraninite with sulfides disseminated in nearly pure albite...albite-enriched granitoids at Um Ara area, Southeastern Desert, Egypt. I) Geochemical, ore potentiality...uranium and thorium minerals, Um Ara granites, south Eastern Desert, Egypt. Ore Geology Reviews 35, 436-446 |
|
