 | | Journal (article/letter/editorial) | | Upper Group 2 chromitite layer, Bushveld Complex, South Africa, on Karee Mine (Lonmin Platinum) J. Van der...Cawthornb,T b a Lonmin Platinum, Private Bag X508, Marikana 0284, South Africa School of Geosciences,...Witwatersrand, Private Bag X3, PO Wits, 2050, South Africa Received 10 December 2003; accepted 18 February...platiniferous UG2 chromitite in the Bushveld Complex, South Africa, are described. The layer of chromitite is underlain... The anorthosite, immediately underlying the chromitite, has a planar fabric visible in thin sections |  | | Journal (article/letter/editorial) | | Sarah-Jane Barnes Platinum-group elements in the Boulder Bed, western Bushveld Complex, South Africa Received:...Springer-Verlag 2002 Abstract Concentrations of platinum-group elements in samples from the Boulder Bed...such as the selvages of pure anorthosite and the chromitite stringers surrounding some of the boulders, bear...Keywords Platinum-group elements Æ Boulder Bed Æ Merensky Reef Æ Bushveld Complex Æ South Africa Editorial...Geology, University of Pretoria, Pretoria 0002, South Africa E-mail: wdmaier@scientia.up.ac.za S.-J. Barnes |  | Smith, William, Maier, Wolfgang, Barnes, Stephen, Moorhead, Gareth, Reid, David, Karykowski, Bartosz (2021) Element mapping the Merensky Reef of the Bushveld Complex. Geoscience Frontiers, 12 (3) 101101pp. doi:10.1016/j.gsf.2020.11.001 | Journal (article/letter/editorial) | | Victoria, Australia d University of Cape Town, South Africa e Fugro Germany Land GmbH, 12555 Berlin, Germany...supercooling and in situ growth. The local thickening of the Merensky chromitite layers within lP troughs in...Merensky reef; Bushveld Complex; Magmatic sulphide; Platinum-group elements; PGE; Anorthosite Journal Pre-proof...Reef of the Bushveld Complex, South Africa, hosts one of the largest platinum-group element (PGE) resources...and -p baddeleyite grains in layers of the Rustenburg Layered Suite are out of sequence. Moreover, |  | | Journal (article/letter/editorial) | | PYROXENITE ADJACENT TO THE UG2 CHROMITITE, BUSHVELD COMPLEX, SOUTH AFRICA R. Grant CAWTHORN§ and Caroline...University of the Witwatersrand, Wits 2050, South Africa Martin SLABBERT Geological Office, Lonplats...Marikana, 0284, South Africa Abstract Core from exploration boreholes at the Karee platinum mine of the western...western Bushveld Complex, in South Africa, became iron-stained and friable upon surface exposure. This...that are immediately above and below the UG2 chromitite layer and adjacent to the Merensky Reef. Chemical |  | | Journal (article/letter/editorial) | | Witwatersrand, Private Bag 3, WITS 2050, Johannesburg, South Africa e-mail: rais.latypov@wits.ac.za; sofia.chistyakova@wits...Pilanesberg Platinum Mines, Sedibelo Platinum Mines group company, Private Bag X11, Highveld, South Africa e-mail:...num.com; JWestraat@sedibeloplatinum.com © 2019 South African Journal of Geology. All rights reserved...impressive ~55 m high outcrop from the Pilanesberg Platinum Mine open pit, located in the NorthWestern Bushveld...the most abundant in the Bushveld Complex of South Africa. In this intrusion, they occur at the base of |  | | 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...Office 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) | | CHEMISTRY, PLATINUM GROUP ELEMENT AND PLATINUM GROUP MINERAL DISTRIBUTION IN THE UG-2 CHROMITITE: AN EXAMPLE...EXAMPLE FROM THE KAREE MINE, WESTERN BUSHVELD COMPLEX, SOUTH AFRICA Malte Junge,† Thomas Oberthür, and Frank...Germany Abstract The UG-2 chromitite of the Bushveld Complex in South Africa contains the world’s largest...largest resources of platinum group elements (PGEs). However, only limited work has been conducted on the...of chromite, and the distribution of PGEs and platinum group minerals (PGMs) within the UG-2. In the |  | | 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 |  | | Journal (article/letter/editorial) | | Johannesburg, South Africa, 2SRK Consulting, Northlands 2116, Johannesburg, South Africa and 3MMG Limited...Avenue, Oxford Corner, Rosebank, Johannesburg, South Africa Downloaded from http://petrology.oxfordjournals...sill-like injection of magma rich in sulphur and platinum-group elements (PGE) into pre-existing cumulates;...are lacking. The most telling observations are: local transgressions of the MR by younger potholes; widespread...concordant with the sloping sides of potholes; chromitite seams of the MR lining vertical to overhanging |  | Steenekamp, J.M.A., van der Westhuizen, W.A., Bateman, M.D., Jacobson, L., Nel, L. (2018) A Pleistocene Thrust Fault in Anorthosite of the Rustenburg Layered Suite near Mooinooi, North West Province, South Africa: Neotectonic Implications. South African Journal of Geology, 121 (4) 421-430 doi:10.25131/sajg.121.0033 | Journal (article/letter/editorial) | | Anorthosite of the Rustenburg Layered Suite near Mooinooi, North West Province, South Africa: Neotectonic Implications...Steenekamp P.O. Box 2986, Lichtenburg, 2740 South Africa e-mail: sbrietput@gmail.com W.A. van der Westhuizen...Free State, P.O. Box 339, Bloemfontein 9300 South Africa e-mail: willemvdw1950@gmail.com M.D. Bateman...Free State, P.O. Box 339, Bloemfontein 9300 South Africa e-mail: lj.heritage@gmail.com; nel.leon@vodamail...co.za © 2018 December Geological Society of South Africa Abstract The 2.056 Ma Bushveld Complex (BC) |  | Maier, W. D., Barnes, S.-J., Groves, D. I. (2013) The Bushveld Complex, South Africa: formation of platinum–palladium, chrome- and vanadium-rich layers via hydrodynamic sorting of a mobilized cumulate slurry in a large, relatively slowly cooling, subsiding magma chamber. Mineralium Deposita, 48 (1) 1-56 doi:10.1007/s00126-012-0436-1 | Journal (article/letter/editorial) | | ARTICLE The Bushveld Complex, South Africa: formation of platinum– palladium, chrome- and vanadium-rich...October 2012 # Springer-Verlag 2012 Abstract Platinum-group element (PGE) deposits in the Bushveld Complex...Northam platinum mines, 2 Union platinum mine, 3 Impala platinum mines, 4 Rustenburg platinum mine, 5 Western...Western platinum and Karee mines, 6 Crocodile River mine, 7 Messina platinum mine, 8 Atok platinum mine...mine, 9 Maandagshoek section with Modikwa platinum mine, 10 Mineral Range and Sheba’s Ridge deposit, 11 Rooipoort |  | | Journal (article/letter/editorial) | | of layered chromitite, pyroxenite, norite and 11 anorthosite overlying the UG2 chromitite in the Upper...eastern Bushveld 12 Complex at the Smokey Hills platinum mine. Layers show very strong medium to large scale... Layered intrusion, Bushveld Complex, South Africa, Chromitite 24 1. Introduction 25 The petrogenesis...adjacent intrusive anorthosite at Smokey Hills platinum mine 50 on the farm Maandagshoek in the eastern...discovery site of platinum in the Bushveld Complex 56 (Merensky, 1926). Platinum nuggets were found |  | | Journal (article/letter/editorial) | | University of the Witwatersrand, P.O. Wits 2050, South Africa e-mail: Grant.cawthorn@wits.ac.za; rais.latypov@wits...University of the Witwatersrand, P.O. Wits 2050, South Africa Geological Office, Marikana Mining Operations...0284, South Africa e-mail: Andiswe.vuthuza@lonmin.com © 2018 September Geological Society of South Africa...on Marikana Mining Operations platinum mines property, near Rustenburg, as well as other samples from...upward. The composition of the proposed liquid SOUTH AFRICAN JOURNAL OF GEOLOGY 2018 • VOLUME 121.3 PAGE |  | | Journal (article/letter/editorial) | | The Merensky Cyclic Unit, Bushveld Complex, South Africa: Reality or Myth? Emma J. Hunt 1, * 1 2 * ...Witwatersrand, Private Bag 3, Johannesburg 2050, South Africa; rais.latypov@wits.ac.za (R.L.); horvath1@lsu...study indicates that the bulk of the platinum-bearing chromitite-feldspathic orthopyroxenite developed...in situ. Processes of gravitational settling and local remobilisation of crystals cannot be discounted...occurrences described in the Bushveld Complex, South Africa (Figure 1). This displays laterally persistent |  | | Journal (article/letter/editorial) | | Laurite from the Merensky Reef, Bushveld Complex, South Africa: “Hydrothermal” 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 |  | Junge, Malte, Wirth, Richard, Oberthür, 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 world’s largest resources of platinum-group elements (PGEs)...ore bodies, namely the Merensky Reef, the UG-2 chromitite, and the Platreef. In these ores, the PGEs are...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 |  | | Journal (article/letter/editorial) | | Author(s) 2018 Abstract The Flatreef is a world-class platinum-group element (PGE) deposit recently discovered...Critical Zone, notably the interval between the UG2 chromitite and the Bastard Reef as found elsewhere in the...correlative. The ultramafic rocks below the main chromitite seam (UG2 correlative) in the Flatreef footwall...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 world’s largest layered intrusion and |  | Veksler, Ilya V, Sedunova, Alena P, Darin, Andrey V, Anosova, Maria O, Reid, David L, Kaufmann, Felix E D, Hecht, Lutz, Trumbull, Robert B (2018) Chemical and Textural Re-equilibration in the UG2 Chromitite Layer of the Bushveld Complex, South Africa. Journal of Petrology, 59 (6) 1193-1216 doi:10.1093/petrology/egy058 | Journal (article/letter/editorial) | | re-equilibration in the UG2 chromitite layer of the Bushveld Complex, South Africa Ilya V. Veksler1, 2, 3*...of Cape Town, Private Bag Rondebosch, 7700, South Africa 7- Museum für Naturkunde Berlin, Invalidenstrasse...platiniferous UG2 chromitite layer in the western and eastern limbs of the Bushveld Complex, South Africa. Analytical...was also performed at different levels in the chromitite layer and in adjacent silicate rocks. The results...extensive coarsening of that mineral within the main chromitite seam, which has erased any textural evidence |  | | Journal (article/letter/editorial) | | ORIGINAL PAPER Orthopyroxene oikocrysts in the MG1 chromitite layer of the Bushveld Complex: implications for...mineral textures of the MG 1 chromitite of the Bushveld Complex, South Africa, were observed; one characterised...oikocrysts, and the other by coarse-grained granular chromitite with only minor amounts of interstitial material...suggest that the oikocryst core zones in the MG1 chromitite layer formed by peritectic replacement of olivine...grain growth resulted in the surrounding granular chromitite. Keywords Oikocryst · Bushveld Complex · Layered |  | | 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) | | distribution in the chromitite layers at Eastern Chrome Mine, Eastern Bushveld Complex, South Africa: A descriptive...Free State, P.O. Box 339, Bloemfontein 9300, South Africa Institut für Mineralogie, Leibniz Universität...Free State, P.O. Box 339, Bloemfontein 9300, South Africa Dezernat für 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 |  | Osbahr, Inga, Oberthür, Thomas, Klemd, Reiner, Josties, Anja (2014) Platinum-group element distribution in base-metal sulfides of the UG2 chromitite, Bushveld Complex, South Africa—a reconnaissance study. Mineralium Deposita, 49 (6) 655-665 doi:10.1007/s00126-014-0538-z | Journal (article/letter/editorial) | | LETTER Platinum-group element distribution in base-metal sulfides of the UG2 chromitite, Bushveld...Bushveld Complex, South Africa—a reconnaissance study Inga Osbahr & Thomas Oberthür & Reiner Klemd & Anja Josties...Heidelberg 2014 Abstract Two drill cores of the UG2 chromitite from the eastern and western Bushveld Complex...reveal that pentlandite carries distinctly elevated platinum-group element (PGE) contents. In contrast, pyrrhotite...Germany 50 %), Ir (2 to 17 %), and Ru (1–39 %). Platinum-group mineral (PGM) investigations support these |  | | Journal (article/letter/editorial) | | angle. We determined the mush thickness in the Rustenburg Layered Suite of the Bushveld Complex at clinopyroxene-in...rigid mush at the bases of both magnetitite and chromitite layers overlying anorthosite. Mush thickness...the Witwatersrand, PO Wits, Johannesburg 2050, South Africa 3 Department of Geology, University of Pretoria...Pretoria, Private Bag X20, Hatfield, Pretoria 0028, South Africa and the way it forms during solidification...the stratigraphy of the Bushveld Complex of South Africa, and demonstrate that the floor mush was only |  | | 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 |  | | Journal (article/letter/editorial) | | Time Scale of a Chromitite–(Ortho)pyroxenite Cumulate Section, Bushveld, South Africa Shahrzad Manoochehri1*...and 2Modikwa Platinum Mine, 292KT Onverwacht Hill, Steelport Region, Mpumalanga South Africa *Corresponding...Upper Critical Zone of the Bushveld Complex (South Africa) has been studied. The cumulates in the studied...contact to UG2, 07 m UG2 chromitite, 68 m pyroxenite, 024 m UG3 chromitite, 20 m plagioclase-rich pyroxenite...silicate cumulate units, and 040–046 in the chromitite layers. The stratigraphic distribution of six |
|
