 | | Journal (article/letter/editorial) | | VARIATION OF CHROMITE CHEMISTRY, PLATINUM GROUP ELEMENT AND PLATINUM GROUP MINERAL DISTRIBUTION IN THE...CHROMITITE: AN EXAMPLE FROM THE KAREE MINE, WESTERN BUSHVELD COMPLEX, SOUTH AFRICA Malte Junge,â Thomas OberthĂŒr...Bushveld Complex in South Africa contains the worldâs largest resources of platinum group elements (PGEs)...of chromite, and the distribution of PGEs and platinum group minerals (PGMs) within the UG-2. In the...covering the sequence of the UG-2 chromitite at the Karee mine in the western Bushveld Complex was studied in |  | Junge, Malte, Wirth, Richard, OberthĂŒr, Thomas, Melcher, Frank, Schreiber, Anja (2015) Mineralogical siting of platinum-group elements in pentlandite from the Bushveld Complex, South Africa. Mineralium Deposita, 50 (1) 41-54 doi:10.1007/s00126-014-0561-0 | Journal (article/letter/editorial) | | Mineralogical siting of platinum-group elements in pentlandite from the Bushveld Complex, South Africa Malte Junge...Bushveld Complex in South Africa hosts the worldâs largest resources of platinum-group elements (PGEs)...bimodally distributed, occurring both as discrete platinum-group minerals (PGMs) and hosted by sulfides....in addition also occurs as nPGMs. Introduction Platinum-group element (PGE) mineralization is mainly associated...mafic-ultramafic intrusions such as the Bushveld Complex in South Africa. In these ores, the PGEs are usually bimodally |  | | Journal (article/letter/editorial) | | Upper Critical Zone of the Rustenburg Layered Suite in the Swartklip Sector, north-western Bushveld Complex...patterns A.A. Mitchell P.O.Box 421, McGregor, 6708, South Africa e-mail: mitchaa@mweb.co.za J. Henckel Acacia...OfïŹce Suite, Bedford Gardens, Bedfordview, 2007, South Africa e-mail: hhenckel@acaciamining.com A. Mason-Apps...2107, South Africa e-mail: AMasonApps@Anglogoldashanti.com © 2019 Geological Society of South Africa. All...Critical Zone of the Rustenburg Layered Suite (RLS) in the Swartklip Sector, north-western Bushveld Complex |  | | Journal (article/letter/editorial) | | Witwatersrand, PO Wits, 2050, South Africa CHRISTOPHER A. LEE¶ Anglo Platinum Geology Department, PO Box...62179, Marshalltown, 2107, South Africa ROBERT P. SCHOUWSTRA Anglo Platinum Research Centre, PO Box 6540...1412, South Africa PETER MELLOWSHIP Impala Platinum Mines, PO Box 5683, Rustenburg, 0300, South Africa...Africa ABSTRACT The abundances of the platinum-group elements (PGE), and their relative proportions, are...and eastern limbs of the Bushveld Complex, in South Africa. Grades for the mined reef interval are uniform |  | Osbahr, Inga, OberthĂŒr, Thomas, Klemd, Reiner, Josties, Anja (2014) Platinum-group element distribution in base-metal sulfides of the UG2 chromitite, Bushveld Complex, South Africaâa reconnaissance study. Mineralium Deposita, 49 (6) 655-665 doi:10.1007/s00126-014-0538-z | Journal (article/letter/editorial) | | 49:655â665 DOI 10.1007/s00126-014-0538-z LETTER Platinum-group element distribution in base-metal sulfides...sulfides of the UG2 chromitite, Bushveld Complex, South Africaâa reconnaissance study Inga Osbahr & Thomas...reveal that pentlandite carries distinctly elevated platinum-group element (PGE) contents. In contrast, pyrrhotite...Germany 50 %), Ir (2 to 17 %), and Ru (1â39 %). Platinum-group mineral (PGM) investigations support these...of the PGM are Pt-dominant such as braggite/ cooperite and Pt-Fe alloys or laurite (carrying elevated |  | | Journal (article/letter/editorial) | | Laurite from the Merensky Reef, Bushveld Complex, South Africa: âHydrothermalâ in Origin? Federica Zaccarini...Merensky Reef of the Bushveld layered intrusion, South Africa. The zoned laurite forms relatively large crystals...characterized by an unusual zoning that involves local enrichment of As, Pt, Ir, and Fe. Comparison in...Keywords: laurite; sulfides; fluids; platinum group elements (PGE); platinum group minerals (PGM); Merensky...Merensky Reef; Bushveld Complex; South Africa 1. Introduction Minerals of ruthenium are very rare and only five |  | | Journal (article/letter/editorial) | | minerals Article PGE Production in Southern Africa, Part I: Production and Market Trends Lisa Thormann... Box 524, Auckland Park, 2006 Johannesburg, South Africa; cmbohwa@uj.ac.za Correspondence: benedikt.buchspies@tuhh...November 2017; Published: 18 November 2017 Abstract: Platinum group elements (PGEs) are an important resource...share of global PGE supply is extracted from the South African Bushveld Complex and from the Zimbabwean...industry. Keywords: platinum group elements (PGE); mineral resources; Southern Africa; Bushveld Complex; |  | | Journal (article/letter/editorial) | | chromitite layers at Eastern Chrome Mine, Eastern Bushveld Complex, South Africa: A descriptive study with comparison...Free State, P.O. Box 339, Bloemfontein 9300, South Africa Institut fĂŒr Mineralogie, Leibniz UniversitĂ€t...Free State, P.O. Box 339, Bloemfontein 9300, South Africa Dezernat fĂŒr Angewandte Geologie und Georisiken...sachsen-anhalt.de © 2020 Geological Society of South Africa. All rights reserved. Abstract A descriptive...of a single borehole from the Winterveld Chrome Mine, Eastern BC, along with analysis by both EPMA and |  | OberthĂŒr, Thomas, Junge, Malte, Rudashevsky, Nikolay, de Meyer, Eveline, Gutter, Paul (2016) Platinum-group minerals in the LG and MG chromitites of the eastern Bushveld Complex, South Africa. Mineralium Deposita, 51 (1) 71-87 doi:10.1007/s00126-015-0593-0 | Journal (article/letter/editorial) | | ARTICLE Platinum-group minerals in the LG and MG chromitites of the eastern Bushveld Complex, South Africa...of the Bushveld Complex in South Africa contain vast resources of platinum-group elements (PGE); however...mineralogical nature, assemblages, and proportions of platinum-group minerals (PGM) is essentially missing. In...The dominant PGM are various Pt-Pd-Rh sulfides (cooperite/braggite [(Pt,Pd)S] and malanite/cuprorhodsite...(compared to the LG-6) or regionally in the chromitites south of the Steelpoort lineament. Editorial handling: |  | | Journal (article/letter/editorial) | | Deposita DOI 10.1007/s00126-016-0676-6 LETTER Platinum-group elements and minerals in the lower and middle...chromitites of the western Bushveld Complex, South Africa Malte Junge 1 & Thomas OberthĂŒr 1 & Inga Osbahr...of the Bushveld Complex in South Africa contain vast resources of platinum-group elements (PGE). However...The dominant PGM are sulfides, namely laurite, cooperite-braggite, and malanitecuprorhodsite, followed...Germany 3 SYLVANIA Platinum Ltd., P.O. Box 976, Florida Hills 1716, South Africa Rare thiospinels of |  | Klemd, R., Herderich, T., Junge, M., OberthĂŒr, T., Schouwstra, R., Roberts, J. (2016) Platinum-group element concentrations in base-metal sulphides from the Platreef, Mogalakwena Platinum Mine, Bushveld Complex, South Africa. South African Journal of Geology, 119 (4) 623-638 doi:10.2113/gssajg.119.4.623 | Journal (article/letter/editorial) | | OBERTHĂR, T. HERDERICH, R. SCHOUWSTRA AND J. ROBERTS Platinum-group element concentrations in base-metal sulphides...from the Platreef, Mogalakwena Platinum Mine, Bushveld Complex, South Africa R. Klemd and T. Herderich GeoZentrum... Johannesburg, PO Box 106 Crown Mines, 2025 South Africa e-mail: robertschouwstra5@gmail.com J. Roberts...2025 South Africa e-mail: jacques.r@telkomsa.net © 2016 December Geological Society of South Africa Abstract...sulphides (BMS) are important host minerals for platinum-group elements (PGE) in orthomagmatic NiCu-PGE |  | Bachmann, Kai, Osbahr, Inga, Tolosana-Delgado, Raimon, Chetty, Deshenthree, Gutzmer, Jens (2018) Variation in Platinum Group Mineral and Base Metal Sulfide Assemblages in the Lower Group Chromitites of the Western Bushveld Complex, South Africa. The Canadian Mineralogist, 56 (5) 723-743 doi:10.3749/canmin.1700094 | Journal (article/letter/editorial) | | (2018) DOI: 10.3749/canmin.1700094 VARIATION IN PLATINUM GROUP MINERAL AND BASE METAL SULFIDE ASSEMBLAGES...CHROMITITES OF THE WESTERN BUSHVELD COMPLEX, SOUTH AFRICA KAI BACHMANN§ Helmholtz-Zentrum Dresden-Rossendorf...Division, Mintek, Malibongwe Drive, 2125 Randburg, South Africa JENS GUTZMER Helmholtz-Zentrum Dresden-Rossendorf...chromite as a primary product. The recovery of platinum group elements and base metals (Ni, Cu) as by...seams at the Thaba mine located on the western limb of the Bushveld Complex. Platinum group minerals and |  | | Journal (article/letter/editorial) | | ALLUVIAL AND ELUVIAL PLATINUM-GROUP MINERALS FROM THE BUSHVELD COMPLEX, SOUTH AFRICA T. OBERTHĂR Bundesanstalt...Society of South Africa ABSTRACT The present work provides an initial description of detrital platinum-group...Pt-Fe alloys (together 54%), sperrylite (33%), cooperite/braggite (11%), and stibiopalladinite (2%). This...as these tools can provide useful indicators of platinum mineralization. Introduction Placers in Colombia...the major source of platinum-group minerals (PGM) before the discovery of the platinum deposits of the Bushveld |  | Kaufmann, Felix E.D., Hoffmann, Marie C., Bachmann, Kai, Veksler, Ilya V., Trumbull, Robert B., Hecht, Lutz (2019) Variations in Composition, Texture, and Platinum Group Element Mineralization in the Lower Group and Middle Group Chromitites of the Northwestern Bushveld Complex, South Africa. Economic Geology, 114 (3) 569-590 doi:10.5382/econgeo.4641 | Journal (article/letter/editorial) | | 569â590 Variations in Composition, Texture, and Platinum Group Element Mineralization in the Lower Group...Chromitites of the Northwestern Bushveld Complex, South Africa Felix E.D. Kaufmann,1,2,â Marie C. Hoffmann...variations in mineral chemistry, textures, and platinum group element (PGE) mineralization were investigated...II from vertical drill core profiles at the Thaba mine in the northwestern limb of the Bushveld Complex...assayed for PGE concentrations, and the respective platinum group mineral association was determined by mineral |  | | Journal (article/letter/editorial) | | minerals Review The Fate of Platinum-Group Minerals in the Exogenic EnvironmentâFrom Sulfide Ores via...into Placers: Case Studies Bushveld Complex, South Africa, and Great Dyke, Zimbabwe Thomas OberthĂŒr Bundesanstalt...the platinum-group minerals (PGM) in the weathering cycle in the Bushveld Complex of South Africa and...particles, small The worldâs prime sources of platinum-group (PGE) are layered intrusions of Proterozoic...PGM and Archean age (e.g., Bushveld Complex, South Africa; the Great Dyke, Zimbabwe; the Stillwater grains |  | | Book | | revised edition) 2 2 . N. DEKUN MINERAL ECONOMICS OF AFRICA 2 3 . B.L GULSON LEAD ISOTOPES IN MINERAL EXPLORATION...Ores DEVELOPMENTS IN ECONOMIC GEOLOGY, 2 6 platinum-group element exploration Dennis L. Buchanan Department...will never be spoken. " P. A. WAGNER, The platinum South Africa deposits so be alluring prophesied and... Foirewoird. The platinum-group elements rhodium, ruthenium, (PGE) include platinum, iridium and osmium...as well a s major industrial uses. a permanent Platinum has aesthetic qualities, combined lustre, which |  | | Report (issue) | | Geochemistry, Mineralogy and Mineral Beneficiation of Platinum-Group Elements Edited by Louis J. Cabri Ottawa...PETROLEUM Suite 1210, 3400 de Maisonneuve Boulevard West MontrĂ©al, QuĂ©bec, Canada H3Z 3B8 ISBN 1-894475-27-5...as follows in this example: OBERTHĂR, T., 2002. Platinum-group element mineralization of the Great Dyke...Geochemistry, Mineralogy and Mineral Beneficiation of Platinum-Group Elements. Edited by L.J. Cabri. Canadian... Preface Background The need for a new book on the platinum-group elements (PGE) became apparent about four |  | Junge, Malte, OberthĂŒr, Thomas, Kraemer, Dennis, Melcher, Frank, Piña, Ruben, Derrey, Insa T., Manyeruke, Tawanda, Strauss, Harald (2019) Distribution of platinum-group elements in pristine and near-surface oxidized Platreef ore and the variation along strike, northern Bushveld Complex, South Africa. Mineralium Deposita, 54 (6) 885-912 doi:10.1007/s00126-018-0848-7 | Journal (article/letter/editorial) | | 1007/s00126-018-0848-7 ARTICLE Distribution of platinum-group elements in pristine and near-surface oxidized...variation along strike, northern Bushveld Complex, South Africa Malte Junge 1,2,3 & Thomas OberthĂŒr 1 & Dennis...ore from the Mogalakwena mine were studied. Further, sulfides and platinum-group minerals (PGM) at various...Nonnenwerth were compared to those of the Mogalakwena mine (Overysel, Sandsloot). In the pristine ore, PGE...and mainly comprise (Pt,Pd)-bismuthotellurides, cooperite-braggite, and sperrylite. Electron probe microanalysis |  | | Book | | PLATINUM-NICKELCHROMIUM DEPOSITS GEOLOGY, EXPLORATION AND RESERVE BASE S.K. Haldar Emeritus Scientist...knowledge up-to-date about the present chromiumânickelâplatinum resources in the world. The present status of...metallurgical complexities, and was happy to learn that platinumâpalladium do exist at SukindaâNausahi Belt. However...born hills appear parallel to Mahagiri range due to mine-waste dumping. Unpaved roads serve the movement...The sky is gloomy throughout the day due to the mine and road dust. Social evils, crime, alcoholism, |  | | Journal (article/letter/editorial) | | the recovery of platinum group elements from Merensky Reef and UG2 at the Two Rivers mine on the Eastern...Eastern limb of the Bushveld Complex in South Africa Derek H. Rose 1 & K. S. Viljoen 1 & Antoine Mulaba-Bafubiandi...limited to the Western Bushveld. The recognition by mine management that another resource, in addition to...Two Rivers platinum mine (TRP), is urgently required in order to extend the life of mine, presented an...processing . Merensky Reef . UG2 . Platinum-group minerals . Two Rivers Platinum mine Introduction The Bushveld |  | | Report (issue) | | Platinum-Group Elements Chapter N of Critical Mineral Resources of the United StatesâEconomic and Environmental...9 rhenium 186.2 osmium 190.2 iridium 192.2 platinum 195.1 gold 197.0 mercury 200.5 thallium 204...gov/images/periodictable.pdf. Cover. Stillwater Mine in south-central Montana, looking southeast. The pond...offices. Photograph by Michael L. Zientek, 2006. Platinum-Group Elements By Michael L. Zientek, Patricia...H.L., Schulte, R.F., and Seal, R.R., II, 2017, Platinum-group elements, chap. N of Schulz, K.J., DeYoung |  | | Book | | EXPLORATION FOR PLATINUM-GROUP ELEMENTS DEPOSITS Mineralogical Association of Canada Short Course Series...OF CONTENTS Introduction xvi GEOCHEMISTRY OF PLATINUM-GROUP ELEMENTS 1. Magmatic Geochemistry of the...Mungall 1-34 2. The Aqueous Geochemistry of the Platinum Group Elements (PGE) in Surficial, Low-T Hydrothermal...Magmatic-Hydrothermal Environments 35-56 J.J. Hanley DESCRIPTIVE PLATINUM-GROUP ELEMENT ORE DEPOSIT MODELS â PRECIOUS-METALDOMINANT...Pt & Pd Deposits A. Wilde 145-161 DESCRIPTIVE PLATINUM-GROUP ELEMENT ORE DEPOSIT MODELS â BASE-METALDOMINANT |  | | Book | | Federica Zaccarini Editorial for the Special Issue âPlatinum-Group Minerals: New Results and Advances in PGE...Evgeny Pushkarev and Oskar Thalhammer Origin of Platinum Group Minerals (PGM) Inclusions in Chromite Deposits...Sakyi and Melesse Alemayehu Platinum-Group Mineral Occurrences and Platinum-Group Elemental Geochemistry...Compositional Variations, and a Potential Lode Source of Platinum-Group Minerals in the Sisim Placer Zone, Eastern...Khanin, Dmitry A. Varlamov and Daria V. Kiseleva Platinum-Group Minerals of Pt-Placer Deposits Associated |  | Piña, R., Gervilla, F., Barnes, S.-J., OberthĂŒr, T., Lunar, R. (2016) Platinum-group element concentrations in pyrite from the Main Sulfide Zone of the Great Dyke of Zimbabwe. Mineralium Deposita, 51 (7) 853-872 doi:10.1007/s00126-016-0642-3 | Journal (article/letter/editorial) | | Deposita DOI 10.1007/s00126-016-0642-3 ARTICLE Platinum-group element concentrations in pyrite from the...largest resource of platinum-group elements (PGE) after the Bushveld Complex in South Africa. The sulfide assemblage...Pt is typically present in the form of discrete platinum-group minerals (PGM) in most Ni-Cu-PGE deposits...resource of PGE after the Bushveld Complex in South Africa (Naldrett 2011; Zientek 2012), pyrite forms...subchambers of the North Chamber, and the Selukwe and Wedza subchambers of the South Chamber (Fig. 1). |  | KotzĂ©, Emmylou, Schuth, Stephan, Goldmann, Simon, Winkler, Benjamin, Botcharnikov, Roman E., Holtz, François (2019) The mobility of palladium and platinum in the presence of humic acids: An experimental study. Chemical Geology, 514. 65-78 doi:10.1016/j.chemgeo.2019.03.028 | Journal (article/letter/editorial) | | com/locate/chemgeo The mobility of palladium and platinum in the presence of humic acids: An experimental...Editor: Donald Dingwell The economically important platinum-group elements (PGE) are known to be mobile in...far. In this paper, the behavior of synthetic platinum-group minerals (PGM) placed in solutions containing...in the area of the Bushveld Igneous Complex, South Africa, humic acid solutions were prepared at concentrations...ditelluride (PdTe2), palladium sulïŹde (PdS) and platinum disulïŹde (PtS2). The solutions remained stationary |
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