| Au–Pd–Pt MINERALIZATION (JACUTINGA), ITABIRA DISTRICT, MINAS GERAIS, BRAZIL ROGERIO KWITKO§ Centro de Desenvolvimento...Doce, BR 262/ km 296, 33030-970 Santa Luzia – MG, Brazil ALEXANDRE R. CABRAL§ AND BERND LEHMANN Institut...Sul, Companhia Vale do Rio Doce, 35900-900 _Itabira_-MG, Brazil ABSTRACT Hongshiite occurs associated with...mineralization of the Quadrilátero Ferrífero, central Minas Gerais, Brazil. Hongshiite occurs in grains up to about...hydrothermal fluids leading to hongshiite precipitation. Sperrylite, isomertieite, atheneite, sudovikovite, a “guanglinite”-like |
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Cabral, A. R., Lehmann, B., Kwitko, R., Jones, R. D. (2002) Palladian gold and palladium arsenide–antimonide minerals from Gongo Soco iron ore mine, Quadrilátero Ferrífero, Minas Gerais, Brazil. Applied Earth Science, 111 (1) 74-80 doi:10.1179/aes.2002.111.1.74 |
Journal (article/letter/editorial) |
| from Gongo Soco iron ore mine, Quadrilátero Ferrífero, Minas Gerais, Brazil Downloaded by [RMIT University...deposit was one of the most famous gold mines in Brazil in the nineteenth century. The iron ore mining...ore deposits of the Quadrilátero Ferrífero of Minas Gerais. The soft hematite orebody comprises 66 000...was not only the first major underground gold mine in Brazil but also the most famous of the so-called jacutinga...is hosted by the Itabira Iron Formation of Harder and Chamberlin,18 i.e. the Itabira Group of Dorr,11 |
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El Ghorfi, Mustapha, Oberthür, Thomas, Melcher, Frank, Lüders, Volker, El Boukhari, Abdelmajid, Maacha, Lhou, Ziadi, Rachid, Baoutoul, Hssain (2006) Gold–palladium mineralization at Bleïda Far West, Bou Azzer–El Graara Inlier, Anti-Atlas, Morocco. Mineralium Deposita, 41 (6) 549-564 doi:10.1007/s00126-006-0077-3 |
Journal (article/letter/editorial) |
| merenskyite, keithconnite, kotulskite, palladseite, and sperrylite, defining a Au–Pd–As–Sb– Se–Te chemical signature...Common to all Au–Pd mineralizations worldwide (Brazil, Australia, UK), including Bleïda Far West, is...mineralization some 7 km NW of the former Bleïda copper mine. Managem, a subsidiary of the ONA group, intends...merenskyite–moncheite [(Pd,Pt)(Te,Bi)2], kotulskite (PdTe), and sperrylite (PtAs2) were identified in the ores. Their grain...2 palladseite, 3 kotulskite, 4 merenskyite, 5 sperrylite, 6 keithconnite. a Larger gold grain enclosed |
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Cabral, A. R., Kwitko-Ribeiro, R. (2004) ON THE ROSETTES OF "NATIVE PALLADIUM" FROM MINAS GERAIS, BRAZIL: EVIDENCE FROM GONGO SOCO. The Canadian Mineralogist, 42 (2) 683-687 doi:10.2113/gscanmin.42.2.683 |
Journal (article/letter/editorial) |
| THE ROSETTES OF “NATIVE PALLADIUM” FROM MINAS GERAIS, BRAZIL: EVIDENCE FROM GONGO SOCO ALEXANDRE RAPHAEL...Coelho Neto, 32/704, 22231–110 Rio de Janeiro, RJ, Brazil ROGERIO KWITKO-RIBEIRO Centro de Desenvolvimento...296, Caixa Postal 09, 33030–970 Santa Luzia, MG, Brazil ABSTRACT Minute rosette-like crystals (~1 m)...from Gongo Soco, an iron ore deposit in Minas Gerais, Brazil. The rosettes consist essentially of palladium...oxygen-bearing palladium, gold nugget, Gongo Soco, Minas Gerais, Brazil. SOMMAIRE De très petits cristaux (~1 m) |
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Merkle, R., Grote, W., Graser, P. (2008) Compositional and textural peculiarities of gold-rich alloys from the Merensky Reef. South African Journal of Geology, 111 (2) 177-186 doi:10.2113/gssajg.111.2-3.177 |
Journal (article/letter/editorial) |
| investigation of such grains from Rustenbutg Platinum Mine (Kingston and El-Dosuky, 1982) revealed that many...inclusions are not restricted to Rustenburg Platinum Mine and can be observed in coarse metallic gold from...semi-quantitative. rustenbutgite sobolevskite sperrylite PtA.s> Based on their element combinations...at% As at% Figure 9. Analyses representing sperrylite, laiirite. and mixed analyses between the two...Vuorelainen, 1987), or up to 19 weight % Pd in the Cauê Mine in Brasil (Olivo et al., 1994; Olivo et al, 1995) |
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Zaccarini, F., Tredoux, M., Miller, D. E., Garuti, G., Aiglsperger, T., Proenza, J. A. (2014) The occurrence of platinum-group element and gold minerals in the Bon Accord Ni-oxide body, South Africa. American Mineralogist, 99 (8) 1774-1782 doi:10.2138/am.2014.4848 |
Journal (article/letter/editorial) |
| free grains of Ni-Fe-As. The second consists of sperrylite (PtAs2), members of the sobolevskite-kotulskite...They comprise electrum (Table 2) and the PGM sperrylite, PtAs2 (Table 3), sobolevskite, PdBi, and a Bi-rich...and only one grain was found associated with sperrylite (Figs. 4e and 4f). The composition is almost...(up to 0.49 wt%) have been detected (Table 2). Sperrylite was found to be particularly abundant in sample...amounts of S, Os, Ir, Ru, Rh, Pt, and Pd. The sperrylite associated with gold (Figs. 4e and 4f) is distinguished |
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Prichard, Hazel M., Knight, Robert D., Fisher, Peter C., McDonald, Iain, Zhou, Mei-Fu, Wang, Christina Y. (2013) Distribution of platinum-group elements in magmatic and altered ores in the Jinchuan intrusion, China: an example of selenium remobilization by postmagmatic fluids. Mineralium Deposita, 48 (6) 767-786 doi:10.1007/s00126-013-0454-7 |
Journal (article/letter/editorial) |
| liberation of Pd. Michenerite ([Pd, Pt]BiTe), sperrylite (PtAs2), and Au-bearing PGM are located in altered...PGM that occur in Jinchuan. Padmaite (PdBiSe), sperrylite (PtAs2), and irarsite (IrAsS) have been described...described by Prichard et al. (2005). Sperrylite, froodite (PdBi2), and michenerite ([Pd,Pt]BiTe) have also...showing a sperrylite (PtAs2) enclosed in chromite. g BSE image of a cluster of sperrylite grains in partially...in diameter, whereas the largest is 12 μm and sperrylite averages 2.1 μm in diameter with the largest |
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Scholten, Lea, Watenphul, Anke, Beermann, Oliver, Testemale, Denis, Ames, Doreen, Schmidt, Christian (2018) Nickel and platinum in high-temperature H2O + HCl fluids: Implications for hydrothermal mobilization. Geochimica et Cosmochimica Acta, 224. 187-199 doi:10.1016/j.gca.2018.01.005 |
Journal (article/letter/editorial) |
| 1 molal HCl at 400 °C, 80 MPa, and of PtAs2 (sperrylite) and Pt metal in 1 and 6.86 molal HCl at 500...the Sudbury District and the growth of large sperrylite crystals are likely related to magmatic processes...rarely considered for Pt. A few occurrences of sperrylite, PtAs2, have been related to hydrothermal fluids...quartz, epidote, muscovite, and biotite, and the sperrylite grain size is fairly large, about 0.25 mm (Rowell...(Waterberg, Bushveld igneous complex; Cauê mine, Itabira, Brazil) are assumed to be hydrothermal (Armitage |
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Cabri, Louis J. (2002) The Geology, Geochemistry, Mineralogy and Mineral Beneficiation of Platinum-Group Elements. Special Volume 54. The Canadian Institute of Mining and Metallurgy |
Report (issue) |
| been known to contain PGE since the discovery of sperrylite in 1888 (Wells, 1889); however, new discoveries...relationships at the currently operating Lac de Iles mine (Ontario), the Marathon deposit in the Coldwell...(Ontario), and the formerly producing Salt Chuck mine (Alaska). They, thus, cover a range of deposit types... Mintek, Randburg, 247 p. WELLS, H.L., 1889. Sperrylite, a new mineral. American Journal of Science 37...iron originally used for ball mills from a gold mine. Gold contamination of more than 10 000 samples |
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(2003) The Mineralogical Record Vol. 34 (4). The Mineralogical Record, Inc. |
Journal (issue) |
| Thirty-four, Number Four Articles The El Desierto sulfur mine, Potosí, Bolivia . . . . . . . . . . . . . . . ...Famous mineral localities: The Pacajake selenium mine, Potosí, Bolivia . . . . . . . . . . . . . . . ...Alfenas, Minas Gerais, Brazil on January 7, 1917. He graduated from the University of Minas Gerais (Belo...1980 when he paid me a visit at the Jacupiranga mine; somehow he had learned of my mineralogical researches...studies of the mineralogy of the now-famous Brumado mine in Bahia, recovering countless superb crystal specimens |
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Mungall, James E. (2005) Exploration for platinum-group element deposits. Mineralogical Association of Canada. |
Book |
| Refining the Classification Using McCreedy West Mine and Podolsky Project Case Studies 163-180 C.E.G...Dyke, Zimbabwe - Case Study of the Hartley Platinum Mine A.H. Wilson, R.T. Brown 409-429 20. The Platinova...REFINING THE CLASSIFICATION: USING McCREEDY WEST MINE, AND PODOLSKY PROJECT CASE STUDIES C.E.G. Farrow...DYKE, ZIMBABWE – CASE STUDY OF THE HARTLEY PLATINUM MINE A.H. Wilson, R.T. Brown INTRODUCTION EXPLORATION...of the MSZ Nature of the MSZ at Hartley Platinum Mine PGE Distribution in the Ore Zone Stratigraphic PGE |
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Johnsson, Erik - Ed. (2013) 12th Biennial SGA Meeting, 12–15 August 2013, Uppsala, Sweden. Mineral deposit research for a high-tech world, 1. |
Conference Proceedings (Volume) |
| Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...ore body structural complexities: KDC East Gold Mine, South Africa . . ...............................Pålsson Tracking ore mineral characteristics from mine to concentrate: the fate of electrum at the Cavanacaw...the Niquelândia layered intrusion (Central Goias, Brazil) ................................................distribution in sulphides of the epithermal Co-O mine, Mindanao, Philippines ....................... |
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Dill, Harald G. (2010) The “chessboard” classification scheme of mineral deposits: Mineralogy and geology from aluminum to zirconium. Earth-Science Reviews, 100 (1) 1-420 doi:10.1016/j.earscirev.2009.10.011 |
Journal (article/letter/editorial) |
| Skutterudite Smithsonite Smythite Sodalite Sohngeite Sperrylite Sphalerite Sphene Spherocobaltite Spinel-group...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a _mine_”. This includes the imperative “if you look for a mine look for smelting...gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium muscovite named...conglomerate-hosted U deposits of the Randtype at Jacobina, Brazil (pers. com. P. Laznicka). Chromium-bearing garnet |
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Dill, Harald G. (2010) The “chessboard” classification scheme of mineral deposits: Mineralogy and geology from aluminum to zirconium. Earth-Science Reviews, 100 (1) 1-420 doi:10.1016/j.earscirev.2009.10.011 |
Journal (article/letter/editorial) |
| Skutterudite Smithsonite Smythite Sodalite Sohngeite Sperrylite Sphalerite Sphene Spherocobaltite Spinel-group...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a _mine_”. This includes the imperative “if you look for a mine look for smelting...gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium muscovite named...conglomerate-hosted U deposits of the Randtype at Jacobina, Brazil (pers. com. P. Laznicka). Chromium-bearing garnet |
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(2017) Critical mineral resources of the United States—Economic and environmental geology and prospects for future supply. Professional Paper 1802. US Geological Survey doi:10.3133/pp1802 |
Report (issue) |
| rare-earth elements, and antimony in China; niobium in Brazil; and platinum-group elements in South Africa and....B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agency’s...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012............................F2 Graph showing world cobalt mine and refinery production and apparent consumption.....................F2 Graph showing world cobalt mine production from 1950 to 2011................... |
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