 | | Journal (article/letter/editorial) | | from three Cu–Ni–PGE prospects, Eastern Desert, Egypt Hassan M. Helmy* Geology Department, Faculty of...of Science, Minia University, 61111-Minia, Egypt Received 21 April 2004; accepted 11 April 2005 Available...prospects in the Eastern Desert of Egypt: Gabbro Akarem, Genina Gharbia and Abu Swayel. The prospects are...and post-magmatic hydrothermal processes. At Genina Gharbia, ore forms either disseminations in peridotite...Tellurides; Solid solution; Cu–Ni–PGE prospects; Egypt * Fax: +20 086 342601. E-mail address: hmhelmy@yahoo |  | | Journal (article/letter/editorial) | | MINERALIZATION IN THE GENINA GHARBIA MAFIC–ULTRAMAFIC INTRUSION, EASTERN DESERT, EGYPT HASSAN M. HELMY§ Department...Geology, Minia University, 61111-Minia, Egypt ABSTRACT The Genina Gharbia intrusion is a small late Precambrian...mafic–ultramafic complex in the Eastern Desert of Egypt. It comprises harzburgite, lherzolite, pyroxenite...and minor cobaltite–gersdorffite, nickeline, sphalerite, molybdenite and valleriite. Intense alteration...mineralogical and chemical characteristics of the Genina Gharbia mineralization are best explained by a three-stage |  | | Book | | · Yasser Abd El-Rahman Editors The Geology of Egypt Regional Geology Reviews Series Editors Roland...Geology of Egypt 123 • Editors Zakaria Hamimi Department of Geology Benha University Benha, Egypt Jesús...El-Barkooky Department of Geology Cairo University Giza, Egypt Harald Fritz Department of Geology and Environment...El-Rahman Department of Geology Cairo University Giza, Egypt ISSN 2364-6438 ISSN 2364-6446 (electronic) Regional...by: Prof. M.A. Abd El-Wahed, Tanta University, Egypt) This Springer imprint is published by the registered |  | | Report (volume) | | temperatures decrease. During this phase, termed the red giant phase, the star begins to ascend to the upper...right on the Hertzsprung–Russell (H–R) diagram (red giant branch; Fig. 2). The He core increases its...with A > 130 (Tsujimoto and Shigeyama 2014). Unlike red giants and supernovae, however, neutron star mergers...average. This is consistent with those observed in red giant and AGB stars. Group 2 grains have significant...difficult to explain with first and second dredge-ups in red giant stars, however, the mixing of materials from |
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