| | Journal (article/letter/editorial) | PLATINUM-GROUP MINERALS FROM THE BUSHVELD COMPLEX, SOUTH AFRICA T. OBERTHĂR Bundesanstalt fĂŒr Geowissenschaften...ac.at © 2014 December Geological Society of South Africa ABSTRACT The present work provides an initial...Complex, and from eluvial concentrations at the Onverwacht platiniferous pipe. During a field campaign,...transport. The eluvial material collected at Onverwacht contained ca. 150 PGM grains with sizes mainly...previously from the Onverwacht pipe proper, including the type locality minerals genkinite, irarsite and platarsite | | | 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........................... 69 5.1 Overview of South African Occurrences ..............................LAYEREDSUITE,BUSHVELDCOMPLEX.... 111 MINERALOGY OF SOUTH AFRICA: TYPE-MINERAL SPECIES AND TYPE-MINERAL NAMES | | 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) | RIVERS DRAINING THE EASTERN BUSHVELD COMPLEX, SOUTH AFRICA THOMAS OBERTHĂR§, FRANK MELCHER, LOTHAR GAST...placer, Maandagshoek, eastern Bushveld Complex, South Africa. SOMMAIRE Lors de nos campagnes de terrain...between 2 and 3 km wide and runs approximately northâsouth, subparallel to the layering of the Mafic Phase...underlain by the Critical Zone. Between the Atok mine and Steelpoort (Fig. 2), the layered sequence dips 10â15°...Maandagshoek (Fig. 2). Accordingly, both a north- and a south-flowing Moopetsi River are present. In the area | | | Journal (article/letter/editorial) | concentrates originating from the Driekop platinum mine, South Africa, collected and first described by E. F. Stumpfl...Pd)(Sb, Bi), unnamed (Pt, Cu)3(Sb, Bi, Sn)4, genkinite, sobolevskite, as well as unnamed Cu â Pt compound...rustenburgite ± stumpflite, (Pt, Pd)(Bi, Sb) or genkinite. Textures are indicative of exsolution from a...interpretation of Rudashvesky et al. (1992) for the Onverwacht and Mooihoek pipes: a high-temperature magmatic...1974, 1975). Stumpflite (Johan & Picot 1972) and genkinite (Cabri et al. 1977 c) had been identified by Stumpfl | | | Journal (article/letter/editorial) | FROM THE ONVERWACHT AND TWEEFONTEIN ULTRAMAFIC PIPES, EASTERN BUSHVELD COMPLEX, SOUTH AFRICA FEDERICA...Witwatersrand, PO Wits 2050, South Africa ABSTRACT The ultramafic pipes of Onverwacht and Tweefontein, in the...the eastern part of the Bushveld Complex, in South Africa, contain small xenoliths of chromitite that...Complex, Republic of South Africa. SOMMAIRE Les pipes ultramafiques de Onverwacht et Tweefontein, dans...The Merensky Reef in the Bushveld Complex, in South Africa, was discovered at about the same time (1924) | | | 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...are emplaced in the Upper Critical zone, the Onverwacht and Twyfelaar pipes occur in the Lower Critical...evaluation and mining of the Driekop, Mooihoek and Onverwacht pipes, which are among the oldest platinum mines...comparatively deep-rooted, stock-like bodies. At Onverwacht and Twyfelaar, the stocks are rimmed by irregular | | | Report (issue) | Genkinite (Pt, Pd)4Sb3 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Tetragonal. Point...161(2) Z=8 X-ray Powder Pattern: Onverwacht mine, South Africa. 2.265 (100), 3.020 (90), 1.934 (60)...3.41 38.96 Total 100.64 99.47 (1) Onverwacht mine, South Africa; by electron microprobe, corresponds...mertieite-II, PtâFe alloy, chromite (Onverwacht mine, South Africa); osmium, PtâPdâCu alloy, hollingworthite...Distribution: In South Africa, in the Merensky Reef, Bushveld complex, Transvaal, at the Onverwacht [TL] and | | | Report (issue) | 790(1) Z=4 X-ray Powder Pattern: Onverwacht mine, South Africa; all reflections broad. 1.746 (100)...2 10.7 Total 99.98 100.2 98.9 (1) Onverwacht mine, South Africa; by electron microprobe, corresponding...)ÎŁ=0.98 As1.15 S0.86 . (3) Western Platinum mine, South Africa; by electron microprobe, corresponding to...mertieite-II, genkinite, PtâFeâCuâNi alloys, bornite, chromite. Distribution: From the Onverwacht [TL], Driekop...Merensky Reef, Bushveld complex, Transvaal, South Africa. At Fox Gulch, Goodnews Bay, Alaska, USA. From | | | Report (issue) | = 12 X-ray Powder Pattern: Tweefontein Farm, South Africa. 2.236 (100), 2.194 (100),1.279 (50),1.228 (50)...100.9 100.00 Total 100.5 (1) Tweefontein Farm, South Africa; by electron microprobe, corresponding to (Pd4...mertieite-II, sperrylite, Pt-Fe-Cu-Ni alloys, genkinite, platarsite, chromite, chalcopyrite, pentlandite...Alaska. In Transvaal, South Africa, from Tweefontein Farm, Potgietersrust district, and from the Elephant...Elephant Winze, near Rietfontein; at the Onverwacht and Driekop mines. From the Department of Choco, Cauca | | | Report (issue) | 112(9) X-ray Powder Pattern: Tweefontein Farm, South Africa. 2.236 (100), 2.194 (100), 1.279 (50), 1.228...100.5 100.9 100.00 (1) Tweefontein Farm, South Africa; by electron microprobe, corresponding to (Pd4...mertieite-II, sperrylite, PtâFeâCuâNi alloys, genkinite, platarsite, chromite, chalcopyrite, pentlandite...Distribution: In Transvaal, South Africa, from Tweefontein Farm, Potgietersrus district [TL], and from the Elephant...Elephant Winze, near Rietfontein; at the Onverwacht and Driekop mines, all on the Merensky Reef, Bushveld | | | Journal (article/letter/editorial) | University of the 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...1412, South Africa PETER MELLOWSHIP Impala Platinum Mines, PO Box 5683, Rustenburg, 0300, South Africa...and eastern limbs of the Bushveld Complex, in South Africa. Grades for the mined reef interval are uniform...km of strike length, at 5â7 g/t, except for Union mine, where it is currently 8 g/t. The relative proportions | | | Journal (article/letter/editorial) | University] at 17:41 09 June 2016 TaEnaleh, Norilâsk District, Siberia, Russia U ntil a few years ago, the...fact, this find and a historical locality in South Africa for which specimens are not available represented...layered intrusive bodies such as the Bushveld (South Africa) and Stillwater (Montana) Complexes. In addition...Great Eastern mine, Clark County, Nevada. It is an ore mineral in the active Pt-Pd mine and related occurrences...collected at the Vermilion mine in what is now the famous Sudbury district, Ontario, Canada. He named | | | Report (issue) | (Sb2.46 As0.54 )ÎŁ=3.00 . (2) Tweefontein Farm, South Africa; by electron microprobe, corresponding to (Pd7...)ÎŁ=8.02 (Sb2.67 As0.30 Sn0.03 )ÎŁ=3.00 . (3) Oktyabr mine, Russia; by electron microprobe, corresponding to...above massive cubaniteâmooihoekite ore (Oktyabr mine, Russia). Association: Gold, sperrylite, laurite...laurite, platarsite, ruthenarsenite, mertieite-I, genkinite, PtâIrâOs alloys, PtâFe alloy, stibiopalladinite...and at the Onverwacht mine, in the Merensky Reef, Bushveld complex, Transvaal, South Africa. From the | | | Journal (article/letter/editorial) | 155 THE PRINCIPAL GEOLOGICAL FEATURES OF THE ONVERWACHT PLATINIFEROUS DUNITE PIPE, EASTERN LIMB OF THE...Geology, Rhodes University, Grahamstown 6140, South Africa e-mail: rnscoon@iafrica.com A.A. MITCHELL Department...Durban 4000, South Africa e-mail: mitchaa@mweb.co.za © 2010 June Geological Society of South Africa ABSTRACT...ABSTRACT The Onverwacht pipe, situated on the leasehold of Eastern Chrome mines in the eastern limb of the...as it is the site of the oldest platinum mine in South Africa. The central part of the pipe consists of | | Barkov, A. Y., Martin, R. F., Fleet, M. E., Nixon, G. T., Levson, V. M. (2008) New data on associations of platinum-group minerals in placer deposits of British Columbia, Canada. Mineralogy and Petrology, 92 (1) 9-29 doi:10.1007/s00710-007-0192-6 | Journal (article/letter/editorial) | ĂŸ Pd ĂŸ Rh):(Sb ĂŸ As) ÂŒ 1.2â1.25], related to genkinite. This antimonide may exhibit a minor solid solution...solution 10 A. Y. Barkov et al. extending from genkinite toward stumpflite. In addition, 20 grains of diopside...exsolution-induced lamellae of a Pt-Pd-Sb phase, probably genkinite (ââPt-Pd-Sbââ), which are ââcrystallographicallyââ...Pt-Pd-Sb phase (ââPt-Pd-Sbââ), corresponding to genkinite in composition, are hosted by isoferroplatinum...cuprorhodsite-malanite, Te-rich isomertieite, and genkinite from British Columbia, Canada No. Cu Fe Ni | | McDonald, A. M., Cabri, L. J., Stanley, C. J., Rudashevsky, N. S., Poirier, G., Mungall, J. E., Ross, K. C., Durham, B. R., Rudashevsky, V. N. (2005) Ungavaite, Pd4Sb3, a new intermetallic mineral species from the Mesamax Northwest deposit, Ungava region, QuĂ©bec, Canada: Description and genetic implications. The Canadian Mineralogist, 43 (5) 1735-1744 doi:10.2113/gscanmin.43.5.1735 | Journal (article/letter/editorial) | Pd4Sb3. The mineral is the Pd-dominant analogue of genkinite. It is tetragonal, crystallizing in one of the...minĂ©ral serait lâanalogue Ă dominance de Pd de la genkinite. La ungavaĂŻte est tĂ©tragonale, et cristallise...contained within it, and currently hosts one operating mine, the Raglan deposit (Falconbridge Ltd.). As part...eastern margin of the Raglan South trend, specifically within the South trend. Generally, sulfide ores...Ungavaite is considered to be isostructural with genkinite, (Pt,Pd)4Sb3 (Cabri et al. 1977), based on similarities | | | Journal (article/letter/editorial) | Applied Geology, University of Natal, Durban, South Africa With 4 Figures Received February 2, 1996; accepted...14 0.50 0.87 19.97 - 12 6 Froodite Gaotaiite Genkinite Geversite Hollingworthite [36.10] 0.14 27.98...thanks the Foundation for Research Development (South Africa) for continued support. We would like to express...Marchukova 1D (1959) Applications of the method of local X-ray spectrographic analysis to the study of minerals...Pinch WW (1977a) Platinum group minerals from Onverwacht. I. Pt-Fe-Cu-Ni alloys. Can Mineral 15:380-384 | | Kojonen, K. K., McDonald, A. M., Stanley, C. J., Johanson, B. (2011) Törnroosite, Pd11As2Te2, a new mineral species related to isomertieite from Miessijoki, Finnish Lapland, Finland. The Canadian Mineralogist, 49 (6) 1643-1651 doi:10.3749/canmin.49.6.1643 | Journal (article/letter/editorial) | platiniferous dunite pipes of Driekop, Mooihoek and Onverwacht. In this study, the chemical compositions of...reflect contributions of PGM from the Mooihoek, Onverwacht and Driekop pipes, with abundant PtâFe alloys...platarsite, genkinite, sperrylite, stibiopalladinite, rutharsenite, and mertieite II from the Onverwacht pipe...pipe. From the Mooihoek and Onverwacht pipes, Rudashevsky et al. (1992) have reported about 15 PGM, including...reported, the authors included Pd11As2Te2 from the South Sopcha pluton. Unfortunately, no analytical data | | | Journal (article/letter/editorial) | species genkinite was described in his honor in 1977 [Platinum-group minerals from Onverwacht. III. Genkinite | | | Journal (article/letter/editorial) | isoferroplatinum, (Pt,Pd)3(Fe,Cu) (Cabri and Feather, 1975); genkinite, (Pt,Pd)4Sb3 (Cabri et al., 1977); atokite, (Pd... (1977) Platinum-group minerals from Onverwacht. III. Genkinite, (Pt,Pd)4Sb3, a new mineral. The Canadian...bismuthotellurides in the Merensky Reef at Rustenburg platinum mine in the Western Bushveld. Mineralogical Magazine...(1974) Vincentite, a new palladium mineral from South-East Borneo. Mineralogical Magazine, 39, 525 527 | | | Journal (article/letter/editorial) | Mineralization in Hortonolitic Dunites of the Mooihoek and Onverwacht Pipes, Bushveld Complex N. S. Rudashevsky 1,...platiniferous hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex, show the following PGM... in den Horthonolit-Duniten der Mooihoek und Onverwacht Pipes, Bushveld-Komplex Minerale der Platingruppe...Platin-fiihrenden Hortonolith-Duniten der Mooihoek und Onverwacht-Pipes, Bushveld-Komplex, fiihren die folgenden...Mineralization in Hortonolitic Dunites of the Mooihoek and Onverwacht Pipes 39 metasomatischer Beeinflussung bei | | | Journal (article/letter/editorial) | into Placers: Case Studies Bushveld Complex, South Africa, and Great Dyke, Zimbabwe Thomas OberthĂŒr Bundesanstalt...weathering cycle in the Bushveld Complex of South Africa and the Great Dyke of Zimbabwe. Samples were...PGM and Archean age (e.g., Bushveld Complex, South Africa; the Great Dyke, Zimbabwe; the Stillwater grains...âneoformationâ a the Bushveld Complex in South Africa, of the Sudbury district in Canada, and later Norilsk in...the farm Maandagshoek, then eastern Transvaal, South Africa, led to the discovery of the largest PGE deposits | | | Journal (article/letter/editorial) | 2Vo. 25.0,28.1, 6.1-12.0;640 The name is for the mine. Type material is preservedat the changesat 620...long) on ludwigiteand magnetiteskarnsin the iron mine of Brosso,Provinceof Torino, Piedmont,Italy. The...MINERAL The nameis for the district,Canavese, in which the villageand mine of Brossooccur. Type materialis... zonedpegmatitesin the Tanco mine,BernicLake,Manitoba,and the Hugo mine,Keystone,SouthDakota.It occursassmallgrains...3}and n{180}.It occursin veinsof the Bambollita mine near Moctezuma,Sonora, Mexico, associated with electrum | | | Journal (article/letter/editorial) | platelets from Tsumeb, S.W. Africa, and earthy aggregates from the Clara mine, Oberwolfach, Schwarzwald...Liversidge, Description of the minerals of New South Wales (Sydney), p. 1 I6. Syn. of ilvaite. Not the...with krsterite from the Tanco mine, Bernic Lake, Manitoba, and the Hugo mine, Keystone, Pennington Co.,...N'changa, Zambia, from Bisbee, Arizona, and from M'sesa mine, Kambove, Katanga, are hexagonal, a 6"67I, c 9"I83...iron formation in the Vredefort structures, S. Africa, contains a clinopyroxene of composition (Fe1.48Mgo | | | Report (issue) | Pt/e Stillwaterite Pd8As3 Osmiridium Oslr Genkinite (Pt,Pd,Rh)4 Sb3 Potarite PdHg lsomertie ite...proportions of individual PGE within a deposit or a district. processes are also known but these are of relative...to Iiquids not able to be mixed together. 5 www. Mine ra Is UK. corn w Platinum . Iii -~ ~ . , ...âą âą Munn ~ Munn\ A i.11Ti A ~ Kam bald a District r t S'al Rad o. .. D~~e) ~--· eld Complex...worked out Merensky Reef, Bushveld Complex, South Africa; Great Dyke, Zimbabwe; J-M Reef, Stillwater |
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