 | | 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...associated with spinel and Cr-magnetite. Michenerite, merenskyite, Pd–Bi melonite and hessite occur mainly as inclusions...and post-magmatic hydrothermal processes. At Genina Gharbia, ore forms either disseminations in peridotite |  | | 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...bismuthotellurides of Pd, i.e., michenerite and the melonite–merenskyite series; no Pt minerals were identified. The PGM...mineralogical and chemical characteristics of the Genina Gharbia mineralization are best explained by a three-stage |  | Helmy, Hassan M., Ballhaus, Chris, Berndt, Jasper, Bockrath, Cornelia, Wohlgemuth-Ueberwasser, Cora (2007) Formation of Pt, Pd and Ni tellurides: experiments in sulfide–telluride systems. Contributions to Mineralogy and Petrology, 153 (5) 577-591 doi:10.1007/s00410-006-0163-7 | Journal (article/letter/editorial) | | Solid solution between moncheite PtTe2 and merenskyite PdTe2 is more limited than implied by natural...Faculty of Science, El-Minia University, El-Minia, Egypt C. Ballhaus (&) Mineralogisches Institut und Museum...natural Pt and Pd tellurides are moncheite PtTe2, merenskyite PdTe2, melonite (Ni,Pd)Te2 and kotulskite (Pd...1991; Helmy and Mogessie 2001), moncheite and merenskyite occur as inclusions in, or in close association...Barkov et al. (1999) postulated that bismuthian merenskyite from the Mount General Skaya intrusion crystallized |  | | Journal (article/letter/editorial) | | Aberra Mogessie Gabbro Akarem, Eastern Desert, Egypt: Cu±Ni±PGE mineralization in a concentrically zoned...minerals (PGM) documented from the deposit are: merenskyite (PdTe2) and michenerite (PdTeBi), as well as...Faculty of Science, Minia University, 61111-Minia, Egypt e-mail: rumenia@rusys.eg.net; Fax: +20-86-342601...geochemical survey project in the South Eastern Desert of Egypt (Bugrov and Shalaby 1973). Disseminated and massive...km east of Aswan in the South Eastern Desert of Egypt (Fig. 1). This region is part of the Proterozoic |  | | Journal (article/letter/editorial) | | 519-535 (2016) DOI: 10.3749/canmin.1500030 MERENSKYITE AND OTHER PRECIOUS METAL MINERALS IN SULFIDE...metal minerals, PGE-Ni-Cu deposits, Moncheite, Merenskyite, melonite group, SEM EDS. INTRODUCTION Sulfide...Helmy (2005) in his study of deposits in eastern Egypt. A weaker trend can be observed along the PdTe2–PtTe2...with a large Pt enrichment and virtually no merenskyite endmember (PdTe2). However, several deposits...group minerals: moncheite (Pt,Pd,Ni)(Te,Bi)2, merenskyite (Pd,Pt,Ni)(Te,Bi)2, and melonite (Ni,Pd,Pt)(Te |  | Barkov, Andrei Y., Shvedov, Gennadiy I., Flemming, Roberta L., Vymazalová, Anna, Martin, Robert F. (2017) Melonite from Kingash and Kuskanak, Eastern Sayans, Russia, and the extent of Bi-for-Te substitution in melonite and synthetic Ni(Te,Bi)2–x. Mineralogical Magazine, 81 (3) 695-705 doi:10.1180/minmag.2016.080.119 | Journal (article/letter/editorial) | | reported occurrences of melonite are shown by the red symbol. light of overall variations gathered in...irarsite, erlichmanite, iridarsenite, michenerite, merenskyite, froodite, sobolevskite, kotulskite, stibiopalladinite...and Kuskanak complexes (shown by brown squares and red circles, respectively) from Eastern Sayans in Russia...Iberia (Ortega et al., 2004); Cu– Ni–PGE deposits, Egypt (Helmy, 2004; 2005); Kvintum–1 Co–Ni deposit, Middle...Kingash and Kuskanak complexes (brown squares and red circles, respectively), compared with the series |  | | 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) | | of an accessory Pt–Pd–Te–Bi phase (moncheite– merenskyite, PtTe2–PdTe2; e.g., Lorand et al. 2010; König...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 |
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