 | | 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...online 1 March 2009 Keywords: Egypt Um Ara U-rich thorite Thorite Zircon Uranophane Alteration a b s...s t r a c t The Um Ara area, in the south Eastern Desert of Egypt contains a number of uranium occurrences...to granitic rocks. U-rich thorite, thorite and zircon are the main primary uranium- and thorium-bearing |  | Moussa, Ewais M.M., Stern, Robert J., Manton, William I., Ali, Kamal A. (2008) SHRIMP zircon dating and Sm/Nd isotopic investigations of Neoproterozoic granitoids, Eastern Desert, Egypt. Precambrian Research, 160 (3) 341-356 doi:10.1016/j.precamres.2007.08.006 | Journal (article/letter/editorial) | | Precambrian Research 160 (2008) 341–356 SHRIMP zircon dating and Sm/Nd isotopic investigations of Neoproterozoic...Neoproterozoic granitoids, Eastern Desert, Egypt Ewais M.M. Moussa a,∗ , Robert J. Stern b , William I...Materials Authority, P.O. Box 530, El Maadi, Kattamyia, Egypt Geosciences Department, University of Texas at Dallas...analyzed for chemical composition, SHRIMP U–Pb zircon ages, and Sm–Nd isotopic compositions. Geochemically...presence of slightly older, presumably inherited zircon grains. The age determined for the older granodiorite |  | 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...high Nb/(Nb+Ta) (0.99), Mn/(Mn+Fe) (0.82), and zircon with high Zr/(Zr+Hf) (0.97) indicate crystallization...spessartine garnet (with 68.2-89.4 mol% spessartine), zircon, xenotime, zinnwaldite mica (up to 5.98 wt% F) |  | | Journal (article/letter/editorial) | | Chemistry of Zircon in Rare Metal Granitoids and Associated Rocks, Eastern Desert, Egypt Hamdy M. Abdalla1...Alexandria, Egypt, 2Faculty of Science, Alexandria University, Moharem Bek, Alexandria, Egypt, History Museum...morphological, textural, and chemical characteristics of zircon from nine rare metal granitic stocks and associated...processes of their host granitoids. The investigated zircon-bearing granitoids and type occurrences can be...(i) peralkaline, Zr + Nb-enriched, A1-granite (e.g. Um Hibal); (ii) metaluminous, Nb + Zr + Y-enriched, |  | EL-AFANDY, Adel H., ABDALLA, Hamdy M., ALY, Mohsen M., AMMAR, Fathy (2000) Geochemistry and Radioactive Potentiality of Um Naggat Apogranite, Central Eastern Desert, Egypt. Resource Geology, 50 (1) 39-51 doi:10.1111/j.1751-3928.2000.tb00054.x | Journal (article/letter/editorial) | | Radioactive Potentiality of Um Naggat Apogranite, Central Eastern Desert, Egypt Adel H. EL-AFANDY, Hamdy...ALY and Fathy AMMAR Abstract: The northern part of Um Naggat granite massif (UNGM) has suffered extensive...mineralized productive granite. (UNGM) (Fig. 1). Um Naggat apogranite (UNAP) comprises albitized (Na-metasomatized)...granites. The alteration processes were concluded by a red hematitic and black Mn-oxide alteration occurring...associating the apogranite: (1) disseminated columbite, zircon, thorite, and rare cassiterite were detected in |  | | Journal (article/letter/editorial) | | Granitoids and Associated Rocks, Eastern Desert, Egypt a b Fathy H. Mohamed , Hamdy M. Abdalla & Hossam...Alexandria, Egypt b Nuclear Materials Authority , P. O. Box 259, C. N., Alexandria, 21111, Egypt c Department...Alexandria University , Moharem Bek, Alexandria, Egypt Published online: 06 Jul 2010. To cite this article:...Granitoids and Associated Rocks, Eastern Desert, Egypt, International Geology Review, 41:10, 932-948, DOI:...Granitoids and Associated Rocks, Eastern Desert, Egypt F A T H Y H. MOHAMED, Department of Geology, Alexandria |  | | 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 |  | | Journal (article/letter/editorial) | | and the associated rocks in the Eastern Desert, Egypt Hamdy M. Abdalla*, Hiroharu Matsueda**, Mohamed...Authority, P.O. Box 259, C.N. 21111, Alexandria, Egypt Natural History Museum, Hokkaido University, Sapporo...Japan *** Faculty of science, El Fayoum University, Egypt ** - The study of chemical zoning, color and...albitite type in the Central Eastern Desert of Egypt by a group of Soviet and Egyptian geologists (e...Cassiterite-bearing granitoids, Eastern Desert, Egypt. (B) Geological Map of Abu Dabbab lithium-albite |  | Abdel Gawad, Ahmed E., Eliwa, Hassan, Ali, Khaled G., Alsafi, Khalid, Murata, Mamoru, Salah, Masoud S., Hanfi, Mohamed Y. (2022) Cancer Risk Assessment and Geochemical Features of Granitoids at Nikeiba, Southeastern Desert, Egypt. Minerals, 12 (5) 621 doi:10.3390/min12050621 | Journal (article/letter/editorial) | | of Granitoids at Nikeiba, Southeastern Desert, Egypt Ahmed E. Abdel Gawad 1, * , Hassan Eliwa 2 , Khaled...of Granitoids at Nikeiba, Southeastern Desert, Egypt. Minerals 2022, 12, 621. https://doi.org/ 10.3390/min12050621...Materials Authority, P.O. Box 530, Maadi, Cairo, Egypt; khaled_ali@yahoo.com (K.G.A.); masoudsalah85@gmail...Minufiya University, P.O. Box 32511, Shebin El Kom, Egypt; eliwa98@yahoo.com Department of Radiology, Consultant...veins) were investigated in the Nikeiba region in Egypt. The main components of the studied intrusive rocks |  | Azer, Mokhles K., Gahlan, Hisham A., Asimow, Paul D., Al-Kahtany, Khaled M. (2019) The common origin and alteration history of the hypabyssal and volcanic phases of the Wadi Tarr albitite complex, southern Sinai, Egypt. Lithos, 324. 821-841 doi:10.1016/j.lithos.2018.12.015 | Journal (article/letter/editorial) | | the Wadi Tarr Albitite complex, southern Sinai, Egypt Mokhles K. Azer, Hisham A. Gahlan, Paul D. Asimow...the Wadi Tarr Albitite complex, southern Sinai, Egypt. Lithos (2018), https://doi.org/10.1016/j.lithos...the Wadi Tarr Albitite Complex, southern Sinai, Egypt Mokhles K. Azer1*, Hisham A. Gahlan2,3, Paul D....Sciences Department, National Research Centre, Cairo, Egypt 2 Department of Geology and Geophysics, King Saud...Geology Department, Assiut University, Assiut 71516, Egypt 4 Division of Geological & Planetary Sciences |  | | Journal (article/letter/editorial) | | Characterization of Beryl-Bearing Granitoids, Eastern Desert, Egypt: Metallogenic and Exploration Constraints rge_085...Abdalla Nuclear Materials Authority, Alexandria, Egypt Abstract Mineral chemistry and geochemical characteristics...of beryl-bearing granitoids in Eastern Desert of Egypt, were examined in order to identify the metallogenetic...Authority, PO Box 259-C. N. 21111, Alexandria, Egypt. Email: dr_hma_enma@yahoo.com © 2009 The Author...investigated beryl-bearing granitoids, Eastern Desert Egypt. 1, Abu Dabbab; 2, Nuweibi; 3, Homr Mikpid; 4, Homr |  | | Journal (article/letter/editorial) | | case study from the Homrit Waggat area of the Eastern Desert of Egypt Mokhles K. Azer1 | Khaled M. Abdelfadil2...Centre, Cairo, Egypt 2 Geology Department, Faculty of Science, Sohag University, Sohag, Egypt 3 Division... National Research Centre, 12622‐Dokki, Cairo, Egypt. Email: mokhles72@yahoo.com; mk.abdel‐ malak@nrc...granitoids of the Homrit Waggat area in the central Eastern Desert of Egypt reveal two magmatic phases. The...Frost, 2006). The northern The basement rocks of Egypt form the western half of the northern- exposures |  | | 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 |  | 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...(Ediacaran) age for the host granite. In contrast, zircon grains from the U-ore zone yield 206Pb/238U concordia...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 |  | | Journal (article/letter/editorial) | | (cryolite), Y, REE (xenotime), Zr (zircon), U (UPb-pyrochlore and zircon) and Th (thorite) are potential...relatively limited substitutions in the thorite-zircon-xenotime-coffinite solid solution system. The concentration...strongly inhibited the early crystallization of zircon, as well as columbite, and favored the early appearance...silicates reduced alkalinity, crystallization of zircon (from a magma depleted in U, Nb, Ta and LREE) became...000 t), USA (595,000 t), Australia (595,000 t), Egypt (380,000 t), Turkey (374,000 t) and the CIS (excluding |  | | Journal (article/letter/editorial) | | describe the albitite occurrences spread over an area of about 90 km2 around the villages of Orani and...samples from the largest albitite open pit in the area, which is located at Punta Is Paduleddas, NW of...were also studied. The oldest rocks known in the area are of Ordovician– Silurian age. They are only exposed...exposed in the northeastern part of the area (Fig. 1), at Punta Is Paduleddas, and consist of metasandstones...kbars, respectively (Carosi et al. 1992). The study area was also intensively tectonized in the late phase |
|
