 | Rudashevsky, N. S., Garuti, G., Andersen, J. C. Ø., Kretser, Yu. L., Rudashevsky, V. N., Zaccarini, F. (2002) Separation of accessory minerals from rocks and ores by hydroseparation (HS) technology: method and application to CHR-2 chromitite, Niquelândia intrusion, Brazil. Applied Earth Science, 111 (1) 87-94 doi:10.1179/aes.2002.111.1.87 | Journal (article/letter/editorial) | | and application to CHR-2 chromitite, Niquelândia intrusion, Brazil N. S. Rudashevsky, G. Garuti, J. C....platinum-bearing CHR2 chromitite of the Niquelândia layered intrusion, central Goiás, Brazil. The study of heavy accessory...CHR-2 chromitite band of the Niquelândia layered intrusion, central Goiás, Brazil. The platinum-group elePaper...preserve their original crystal shapes. For the Niquelândia chromitite (described later) polished B87 (a)...16000 7000 0.044 0.021 0.014 0.014 498 Niquelândia, Brazil Chromitite 400 4790 1 50% (IFP+TFP) |  | Garuti, Giorgio, Zaccarini, Federica, Proenza, Joaquin, Thalhammer, Oskar, Angeli, Nelson (2012) Platinum-Group Minerals in Chromitites of the Niquelândia Layered Intrusion (Central Goias, Brazil): Their Magmatic Origin and Low-Temperature Reworking during Serpentinization and Lateritic Weathering. Minerals, 2 (4) 365-384 doi:10.3390/min2040365 | Journal (article/letter/editorial) | | Minerals in Chromitites of the Niquelândia Layered Intrusion (Central Goias, Brazil): Their Magmatic Origin...Universidade Estadual Paulista, Rio Claro 13500, SP, Brazil; E-Mail: nangeli@rc.unesp.br * Author to whom...with the chromitite and dunite layers in the Niquelândia igneous complex. Two genetically distinct populations...Chromitite; PGM; laterite; weathering; Niquelândia 1. Introduction The Niquelândia igneous complex, exposed in...laterite cover with silicate-Ni deposits [5]. The Niquelândia complex is similar to many other layered intrusions |  | | Journal (article/letter/editorial) | | minerals formed at the postmagmatic stage. Tetraferroplatinum–tulameenite, replacing the Pt–Fe alloys,...(<20%). The other minerals, laurite, irarsite, tetraferroplatinum, and tulameenite, are rare, and they are...fractures, correspond to the solid solution of tetraferroplatinum– tulameenite (Fig. 4). In the secondary products...fluids transformed the Pt–Fe alloys into tetraferroplatinum and tulameenite. The presence of S and As...PGE at low temperature was emphasized in the Niquelândia (Ferrario & Garuti 1988) and Ojen (Torres-Ruiz |  | | Journal (article/letter/editorial) | | ore mine, Quadrilátero Ferrífero, Minas Gerais, Brazil of the host gold (Fig. 1). Where associated with... Germany R. Kwitko Companhia Vale do Rio Doce, Brazil R. D. Jones Formerly Reynolds Metals, U.S.A.; now...Soco was the first major underground gold mine in Brazil and produced 12.9 t of gold between 1826 and 1856...Publ. 23 B213 Au–PGE deposits: examples from Brazil and Australia Downloaded by [University of California...research into anomalous Au–PGE (±U) occurrences in Brazil and Australia has identified an unusual class of |  | | Book | | Isoferroplatinum Pt3 Fe, (Pt2.5( FeNiCu)1.5 , Tetraferroplatinum PtFe, Pt(FeNiCu), Ferronickelplatinum Pt2...and Pd phases (sperrylite, stibiopalladite, tetraferroplatinum, potarite, unknown Pt–Pd–Cu–Ni–Fe alloys)...3B). The Pt–Fe alloys isoferroplatinum and tetraferroplatinum, along with iridium, osmium, erlichmanite...crystal of tetraferroplatinum, osmium, and a Pt–Fe alloy. (H,I) Bi-phase grains of tetraferroplatinum and osmium...= cuprorhodsite, Pn = pentlandite, Tfp = tetraferroplatinum, PtFe = Pt–Fe alloy. Abbreviations for the |  | | Book | | significant in Canada, United States, Australia, Africa, Brazil, New Caledonia, Philippines, Indonesia, and the...trans-Siberian Russia, and a few others in Namibia and Brazil, The supergiant Sudbury nickel deposit in Canada...chromium. The type areas include Russia, South Africa, Brazil, North America, Germany, Australia, and the Red...associated with platinum and other PGMs in Australia, Brazil, Russia, Ethiopia, and North and South America...quartz veins in Russia, of chromium and Tasmania, Brazil. mineral collection for brilliant magnificent colored |  | | Report (issue) | | Testibiopalladite PdSbTe p. 110 99. Tetraferroplatinum PtFe p. 110 Pd8Hg3Se9 p. 111 101. Tolovkite...Hexaferrum-? Anduoite Ruarsite Ruthenarsenite Tetraferroplatinum Tulameenite Hg Atheneite Potarite Temagamite...Pd3HgTe3 X Testibiopalladite PdSbTe X X Tetraferroplatinum PtFe X X Tischendorfite Pd8Hg3Se9 X...19°39S, Long. 43°14W), Itabira, Minas Gerais, Brazil. Also found in the Stillwater Complex, Montana...19°39S, Long. 43°14W), Itabira, Minas Gerais, Brazil. Also occurs in the Main Sulphide Zone, Great Dyke |
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