 | | Journal (article/letter/editorial) | | Abstract The Merensky Reef at the Western Platinmn mine differs in many respectsfrom the reef at its type...type locality at Rustenburg,30 km to the west. The reef averages 4 m thick and consistsof major porphyritic...pegmatiticmelanoriteenclosingtwo thin chromitite bands. Platinum-groupmineralization occursmainly in the vicinity...chromitite seam, whereas at Rustenburg, where the reef is very thin and consistsof pegmatitic pyroxenite...changeoccursin the reef between the two localities. The proportionsof the platinum-groupminerals are |  | | Report (issue) | | SURVEY OF SOUTH AFRICA COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA MINERALOGY OF SOUTH AFRICA:... COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA Scientific Editor R.D. Dixon Linguistic and...Council for Geoscience (Geological Survey of South Africa), 280 Pretoria Street, Silverton, Pretoria or..................... 50 4.2 Unidentified Non-Platinum-Group Phases .......................................................... 69 5.1 Overview of South African Occurrences ........................... |  | | Report (issue) | | International Strategic Minerals Inventory Summary Report-Platinum-Group Metals Prepared as a cooperative effort...Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of... International Strategic Minerals Inventory Summary Report-Platinum-Group Metals By David M. Sutphin and Norman J...Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of...Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of |  | | Journal (article/letter/editorial) | | bodies Roger N. Scoon PO Box 2461, Rivonia 2128, South Africa e-mail: rnscoon@iafrica.com Andrew A. Mitchell...4000, South Africa e-mail: mitchell@pixie.udw.ac.za © 2004 Geological Society of South Africa ABSTRACT...discovery of the Mooihoek pipe by Hans Merensky and his Lydenburg Platinum Syndicate on 15th August 1924, the...the first occurrence of economic platinum mineralization to be located in the Bushveld Complex, is recounted...and Onverwacht pipes, which are among the oldest platinum mines in the World, and review the comprehensive |  | | Journal (article/letter/editorial) | | University of the Witwatersrand, PO Wits 2050, South Africa E-mail: cawthorng@geosciences.wits.ac.za © 2005...2005 December Geological Society of South Africa Scoon and Mitchell (2004) presented a review of the...events that may have taken place in late 1924 when Merensky and his team of prospectors made one of the most...well established that Mr Andries Lombaard panned platinum from his farm, Maandagshoek in the eastern limb...Complex in June 1924, and took it to Dr Hans Merensky. Merensky raised funds and began exploration on 12th |  | | Journal (article/letter/editorial) | | the northeast, to Rustenburg and Northam in the west and an outlier of the Lower and Lower Critical Zone...chromitite layer, in the far western extension north of Zeerust. It is only in these areas that thick...Mineralogical Services, P.O. Box 432, Florida 1710, South Africa E-mail: fjk@moruominerals.co.za overlies but...but also onlaps the ïŹoor-rocks to the south of the Steelpoort area . The source of the magmas also appears...appears to have been towards the south as the MG chromitite layers degrade and thin northward whereas the |  | | Journal (article/letter/editorial) | | PAPER The mineralogy and mineral associations of platinum group elements and gold in the Platreef at Zwartfontein...Akanani Project, Northern Bushveld Complex, South Africa Frits van der Merwe & Fanus Viljoen & Mike Knoper...Springer-Verlag 2012 Abstract The mineralogy of the platinum-group elements (PGE), and gold, in the Platreef...two boreholes, for the in-situ examination of platinum group minerals (PGM). PGM and gold minerals encountered...2006, South Africa e-mail: fanusv@uj.ac.za Introduction The 2055â2060 Ma Bushveld Complex in South Africa |  | | Journal (article/letter/editorial) | | Author(s) 2018 Abstract The Flatreef is a world-class platinum-group element (PGE) deposit recently discovered...Bastard Reef as found elsewhere in the Bushveld Complex. This includes recognition of a Merensky Reef correlative...MaierW@cardiff.ac.uk 1 Ivanhoe Mines Ltd, Mokopane, South Africa 2 School of Earth and Ocean Sciences, Cardiff...Cardiff, UK Introduction The Bushveld Complex of South Africa is the worldâs largest layered intrusion and...company online resource statements for the Merensky Reef across various sectors of the Bushveld Complex |  | | Journal (article/letter/editorial) | | tin, fluorspar, chromium, nickel, copper and the platinum-group elements (PGEs). The Zaaiplaats and Union...1906â1908.27 This was followed by the discovery of platinum in quartz veins near Naboomspruit in 1923.20,31...led, indirectly, to the discovery of platinum in the Merensky Reef of the eastern Bushveld Complex in 1924...Complex. After he had successfully traced the Merensky Reef westwards to the Rustenburg area, the similarities...had been outlined by Hall and Mellor led Hans Merensky and other prospectors back to the northern limb |  | | 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...exploiting the Merensky Reef on both western and eastern limbs of the Bushveld Complex, in South Africa. Grades |  | | Report (issue) | | mineralogy and deposits Definition and characteristics Platinum (Pt) is one of a group of six chemical elements...elements collectively referred to as the platinum-group elements (PGE). The other PGEare palladium (Pd), iridium(lr)...ruthenium(Ru). Reference is also commonly made to platinum-group metals and to platinumgroup minerals, both...to PGM. In this document we use PGM to refer to platinum-group minerals. Pt Atomic weight Atomic number...2.5-3 properties vary considerably (Table 1). Platinum, iridium and osmium are the densest known metals |  | | Journal (article/letter/editorial) | | Particulate Platinum-Group Minerals during Magma Emplacement; a Case Study from the Merensky Reef, Bushveld...geochemistry of a section of the Merensky Reef at Bafokeng Rasimone Platinum Mine (BRPM) are described. A...A model for the formation of platinum-group minerals (PGM), sulphide and chromitite is proposed that explains...stratigraphic relationships observed in the Merensky Reef, both at BRPM and at other locations in the...To achieve this it is necessary to understand platinum-group element (PGE) behaviour in naturally occurring |  | | Journal (article/letter/editorial) | | PGE exploration targets to the west of the Pilanesberg, South Africa R. Kiefer and M.J. Viljoen MinEx...2024, South Africa. Department of Geology, University of the Witwatersrand, Johannesburg South Africa...Geological Society of South Africa ABSTRACT The main approach to PGE target selection west of the Pilanesberg...information is available. A small gravity anomaly to the west of the Pilanesberg could represent stratigraphic...stratigraphy or a local magma feeder zone. If the Merensky Reef is present in this area then it could be expected |  | | Journal (article/letter/editorial) | | investigation of the chromite, platinum and magnetite deposits north of the Pilanesberg in the Western...sedimentary base at two localities. The platiniferous Merensky Reef was found to be a sill-like pegmatitic pyroxenite...because chromitite seams, the platiniferous }Ierensky Reef and the Bushveld magnetite occur within it. Activity...point in the north to as far south as the Pilanesberg. Considered as a whole, the Merensky Reef and chromitite...over distances of ten and seven miles in the north and south respectively. The great petrographical diversity |  | | Journal (article/letter/editorial) | | Processing by Flotation of Platinum Group Minerals (PGMs) in South Africa and Russia Cyril OâConnor 1...Research, University of Cape Town, Cape Town 7701, South Africa Department of Minerals Processing, St Petersburg...Abstract: Russia and South Africa are the worldâs leading producers of platinum group elements (PGEs)...mineralogy, and processing by flotation of the platinum group minerals (PGMs) found in each country. A...ulphide oxide formations. Keywords: Russia; South Africa; PGMs; geology; mineralogy; flotation Alexandrova |  | Reisberg, Laurie, Tredoux, Marian, Harris, Chris, Coftier, Aline, Chaumba, Jefferson (2011) Re and Os distribution and Os isotope composition of the Platreef at the SandslootâMogolakwena mine, Bushveld complex, South Africa. Chemical Geology, 281 (3) 352-363 doi:10.1016/j.chemgeo.2010.12.021 | Journal (article/letter/editorial) | | SandslootâMogolakwena mine, Bushveld complex, South Africa Laurie Reisberg a,â, Marian Tredoux b, Chris...University of the Free State, Bloemfontein 9300, South Africa Department of Geological Sciences, University...University of Cape Town, Rondebosch 7701, South Africa d BRGM, Service Environnement Industriel et ProcĂ©dĂ©s Innovants...Platreef Bushveld Osmium Rhenium Os isotopes Merensky Reef a b s t r a c t Rhenium and Os concentrations...radiogenic than, previously published values for the Merensky Reef. Our preferred interpretation is that this section |  | Oberthur, T., Melcher, F., Gast, L., Wohrl, C., Lodziak, J. (2004) DETRITAL PLATINUM-GROUP MINERALS IN RIVERS DRAINING THE EASTERN BUSHVELD COMPLEX, SOUTH AFRICA. The Canadian Mineralogist, 42 (2) 563-582 doi:10.2113/gscanmin.42.2.563 | Journal (article/letter/editorial) | | DETRITAL PLATINUM-GROUP MINERALS IN RIVERS DRAINING THE EASTERN BUSHVELD COMPLEX, SOUTH AFRICA THOMAS OBERTHĂR§...the eastern Bushveld, more than 6000 grains of platinum-group minerals (PGM) were recovered from alluvial...to 1.6 mm) compared to those of PGM in the Merensky Reef and the UGâ2 (generally <50 m) indicate pronounced...processes. The detrital PGM may originate from the Merensky Reef, the UGâ2, platiniferous pipes, or still concealed...presence of different types of PGE mineralization (Merensky Reef, UGâ2, platiniferous pipes, and placers) and |  | | 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 |  | Barkov, A. Y., Martin, R. F., Kaukonen, R. J., Alapieti, T. T. (2001) THE OCCURRENCE OF Pb Cl (OH) AND Pt Sn S COMPOUNDS IN THE MERENSKY REEF, BUSHVELD LAYERED COMPLEX, SOUTH AFRICA. The Canadian Mineralogist, 39 (5) 1397-1403 doi:10.2113/gscanmin.39.5.1397 | Journal (article/letter/editorial) | | PtâSnâS COMPOUNDS IN THE MERENSKY REEF, BUSHVELD LAYERED COMPLEX, SOUTH AFRICA ANDREI Y. BARKOV§ AND ROBERT...in chalcopyrite, in a spatial association with platinum-group minerals, in a sulfide-poor (â€5 vol.% of...enstatite orthocumulate of the Merensky Reef, Bushveld layered complex, South Africa. This seems to be the first...compound in mafic-ultramafic rocks. The associated platinum-group minerals are members of the braggite series...Keywords: Cl-rich phase, platinum-group minerals, stannosulfide of Pt, Merensky Reef, Bushveld complex, mafic-ultramafic |  | | Journal (article/letter/editorial) | | Rustenburg Layered Suite in the Swartklip Sector, north-western Bushveld Complex, on the farm Wilgerspruit...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...Rustenburg Layered Suite (RLS) in the Swartklip Sector, north-western Bushveld Complex, is considerably attenuated |  | | 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 is...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 |  | | Journal (article/letter/editorial) | | Bi, Sn and Sb during the formation of platinum-group-element reef deposits: examples from the Bushveld...Bi, Sn and Sb during the formation of platinum-group-element reef deposits: examples from the Bushveld...Bi, Sn and Sb during the formation of platinum-group-element reef deposits: examples from the Bushveld... G7H 2B1, Canada Abstract The distribution of platinum-group element (PGE) and Te, As, Bi, Sb and Sn...reported. The samples are from: the Merensky Reef (Bushveld), the J-M Reef (Stillwater), Picket Pin deposit |  | | 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 |  | Yudovskaya, M., Belousova, E., Kinnaird, J., Dubinina, E., Grobler, D.F., Pearson, N. (2017) Re-Os and S isotope evidence for the origin of Platreef mineralization (Bushveld Complex) Geochimica et Cosmochimica Acta, 214. 282-307 doi:10.1016/j.gca.2017.07.029 | Journal (article/letter/editorial) | | University of the Witwatersrand, Wits 2050, South Africa Institute of Geology of Ore deposits, Petrography...Exploration & Geology, Ivanplats (Pty) Ltd, Mokopane, South Africa * Corresponding author email: marina.yudovskaya@wits...Abstract â The Bushveld Complex contains the largest platinum-group element (PGE) deposits of the world that...Re-Os isotope and elemental LA MC-ICPMS data on platinum-group minerals (PGM) from the mineralized reefs...Complex and a role of superimposed processes at the reef formation. We analyzed laurite (RuS2), hollingworthite |  | | Journal (article/letter/editorial) | | fluid features of massive sulphide deposits in South China: Implications for genetic modellingâLian-Xing...WenyuDongchuang gold deposits in the Xiaoqinling Mt. Area, West Henan, ChinaâJ. Xu, Y. Xie, N. Jiang, and F. Bie...Modelling of an MVT deposit: Touissit-Bou Beker district (eastern Morocco)âS. Makhoukhi, J.M. Schmitt,...(±As, Au) ore deposits of the EnguialĂšs-Leucamp district, La ChĂątaigneraie, French Massif CentralâC. Lerouge...zinc mineralization in the Mascot-Jefferson City district of eastern Tennessee: A preliminary analysisâD |
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