 | | Journal (article/letter/editorial) | | Author(s) 2018 Abstract The Flatreef is a world-class platinum-group element (PGE) deposit recently discovered...sedimentary xenoliths and, in places, several chromite seams or stringers. This is overlain by a ~ 100-m-thick...Bushveld Complex, we correlate the Flatreef and its chromite bearing footwall rocks with the Upper Critical...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 |  | | Journal (article/letter/editorial) | | MERENSKY REEF AT NORTHAM PLATINUM MINE, ZWARTKLIP FACIES, WESTERN BUSHVELD COMPLEX, SOUTH AFRICA DAMIAN S. SMITH§...SMITH§ Northam Platinum Mine, P.O. Box 441, Thabazimbi, 1380, South Africa IAN J. BASSON AND DAVID L...of Cape Town, Private Bag, Rondebosch, 7701, South Africa ABSTRACT The Normal Reef Subfacies of the Swartklip...the Rustenburg Layered Suite, exposed on Northam Platinum mine, displays lateral and vertical variations...in its inter-chromitite lithologies, content in platinum-group elements and grade, and the mode of sulfide |  | | Journal (article/letter/editorial) | | University, Private Bag X1, Matieland 7601, South Africa; ianbasson@tect.co.za (I.J.B.); jmiller@sun...Williams Avenue, Paardevlei, Somerset West 7130, South Africa Correspondence: benstoch@tect.co.za Received:...Complex (BC) is the world’s largest source of platinum group metals. Extensive studies on the complex...complex have focused on its geochemistry, magma and platinum group mineral genesis, mineral characterization...(BC) represents the world’s largest source of platinum group metals (PGM), which are critical for multiple |  | | 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; |  | Roberts, M. D., Reid, D. L., Miller, J. A., Basson, I. J., Roberts, M., Smith, D. (2007) The Merensky Cyclic Unit and its impact on footwall cumulates below Normal and Regional Pothole reef types in the Western Bushveld Complex. Mineralium Deposita, 42 (3) 271-292 doi:10.1007/s00126-006-0111-5 | Journal (article/letter/editorial) | | lithologies. In the Regional Pothole Reef at the Northam Platinum Mine, several economic reef types are identified...Sciences, University of Cape Town, Rondebosch 7701, South Africa J. A. Miller (*) Department of Geology, University...Stellenbosch, Private Bag X1, Matieland 7602, South Africa e-mail: jmiller@sun.ac.za M. Roberts 140 North...CA, USA D. Smith Northam Platinum Mine, P.O. Box 441, Thabazimbi 1380, South Africa Present address:...le Havre, Monte Sereno, Somerset West 7130, South Africa late layering, in particular, to the footwall |  | 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...showing the localities mentioned in the text. TML Thabazimbi–Murchison lineament, CRF Crocodile River fault...and Northam platinum mines, 2 Union platinum mine, 3 Impala platinum mines, 4 Rustenburg platinum mine...Western platinum and Karee mines, 6 Crocodile River mine, 7 Messina platinum mine, 8 Atok platinum mine |  | | Journal (article/letter/editorial) | | PLATINIFEROUS MERENSKY REEF, BUSHVELD COMPLEX, SOUTH AFRICA, BY THE U-Pb ZIRCON CHEMICAL ABRASION ID-TIMS...V6T-1Z4, Canada Abstract The Bushveld Complex, South Africa, is the world’s largest layered intrusion and...host to the majority of the known resources of platinum group elements, chromium, and vanadium. Despite...orthopyroxenite from the PGE-rich Merensky reef, West mine (Townlands shaft), Rustenburg section. Low U (21–105...mainly as inclusions within or overgrowths on chromite, especially in the chromitite stringers that bound |  | | 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) | | Burgersfort in the northeast, to Rustenburg and Northam in the west and an outlier of the Lower and Lower...Mineralogical Services, P.O. Box 432, Florida 1710, South Africa E-mail: fjk@moruominerals.co.za overlies but...but also onlaps the floor-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...granophyric liquid which forced the precipitation of chromite (Kruger 1999; Kinnaird et al. 2002). Therefore |  | | Journal (article/letter/editorial) | | DOI : 10.3749/canmin.51.1.143 NANOMETER-SIZED PLATINUM-GROUP MINERALS (PGM) IN BASE METAL SULFIDES: NEW...MERENSKY REEF PGE ORE DEPOSIT, BUSHVELD COMPLEX, SOUTH AFRICA Richard WIRTH§ Helmholtz Centre Potsdam, GFZ... University of Cape Town, Rondebosch, 7701, South Africa Anja SCHREIBER Helmholtz Centre Potsdam, GFZ...electron microscopy (FIB/HRTEM) investigation of platinum group element-rich (PGE) samples from the Merensky...Complex in South Africa. Chromitites and pegmatitic melanorite from the Northam and Rustenburg platinum mines |  | | Journal (article/letter/editorial) | | Zone, Rustenburg Layered Suite, Northam Platinum Mine, South Africa D. L. R EID* AND I. J. BASSON ...of Cape Town, Private Bag Rondebosch, 7700, South Africa ABSTR ACT Discordant veins, pipes and occasionally...they replace the Merensky Reef footwall at Northam Platinum Mine, situated in the Swartklip Facies of the...Rustenberg Layered Suite, Bushveld Complex, South Africa. Introduction THE presence of iron-rich ultrama...fact, the rst discovery of economic levels of platinum group elements (PGE) was a Mg-rich dunite pipe |  | | Journal (article/letter/editorial) | | Merensky Reef, Bushveld Complex, Republic of South Africa Alan E. Boudreau Received: 14 September 2007...pegmatoidal unit with a base that is enriched in chromite and platinum-group element-bearing sulfides overlying... preferential re-precipitation of sulfide and chromite and concentration of the PGE at this boundary...assemblage. Keywords Bushveld Complex Merensky Reef Platinum group elements Geochemical modeling Introduction...platiniferous Merensky Reef of the Bushveld Complex, South Africa, has been the subject of a number of papers |  | | Book | | metals and their history Properties of metals Platinum Palladium Rhodium Iridium Ruthenium Osmium Historical...Pharmaceuticals Sensors 6 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 Platinum group metal pricing Evolution of the pricing system...Consignment stocks and sales 7 7.1 7.2 7.3 7.4 Platinum group metal trading International exchanges Metal...people, if asked, would be able to name the six platinum group metals. Even fewer could describe their...are an essential part of modern life. Comprising platinum, palladium, rhodium, iridium, ruthenium and osmium |  | | Journal (article/letter/editorial) | | minerals Article PGE Production in Southern Africa, Part II: Environmental Aspects Benedikt Buchspies... 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, 6E PGE = Pt + Pd + Rh +...water use of primary PGE production in Southern Africa, where most of today’s supply originates from....mining industry. Keywords: mining; platinum group metals (PGE); South Africa; Zimbabwe; environmental assessment; |  | | Journal (article/letter/editorial) | | 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...significantly from the area around Rustenburg, to the south. The total thickness of ultramafic lithologies is...for unconformities at the tops of these units. SOUTH AFRICAN JOURNAL OF GEOLOGY 2019 • VOLUME 122.2 PAGE |  | | 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 |  | | Report (issue) | | Platinum-Group Elements Chapter N of Critical Mineral Resources of the United States—Economic 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 |  | | Journal (article/letter/editorial) | | Multiple Merensky Reef of the Bushveld Complex, South Africa Sofya Chistyakova1 · Rais Latypov1 · Kirsten...containing the lion’s share of the world’s reserves of platinum group elements (PGE). It is commonly described...single, relatively thin layer (or package) of chromite- and sulphide-bearing orthopyroxenite hosted by...magma for the scavenging of PGE by sulphide and chromite growing within the sheet-like cavities of the...the MR potholes. Keywords Merensky Reef · Platinum group elements · Multiple emplacements · Thermal/chemical |  | | 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...Lydenburg Platinum Syndicate on 15th August 1924, the first occurrence of economic platinum mineralization...and Onverwacht pipes, which are among the oldest platinum mines in the World, and review the comprehensive...Discordant ultramafic bodies in the Bushveld Complex, South Africa, are probably both more abundant and considerably |  | | Book | | ‘Whatever our ideological departure points, How South Africa Works illuminates the importance of debate in...SIPHO PITYANA, Chairperson, AngloGold Ashanti ‘South Africa 20 years after transition is a complex and multidimension-...have changed the dynamics of the “new South Africa’. How South Africa Works helps to understand the evolving...between South Africa’s potential and its performance has never been as stark. How South Africa Works is...is an urgent call to all South African leaders to revisit yesterday's assumptions and to abandon the |  | Stribrny, B., Wellmer, F. -W., Burgath, K. -P., Oberthür, T., Tarkian, M., Pfeiffer, T. (2000) Unconventional PGE occurrences and PGE mineralization in the Great Dyke: metallogenic and economic aspects. Mineralium Deposita, 35 (2) 260-280 doi:10.1007/s001260050019 | Journal (article/letter/editorial) | | September 1998 / Accepted: 7 December 1999 Abstract Platinum group elements (PGE) are strategic materials because...sul®dic part and distinct dierences between the platinum group mineral (PGM) assemblages of the MSZ and...redistributions should be kept in mind during planning and mine operation. Investigations of unconventional PGE...PGE-producing deposits in the world. Introduction Platinum group elements (PGE) were selected as strategic...stringent environmental standards. In 1997 the world platinum supply amounted to 154.5 t (Johnson Matthey 1998 |  | | Journal (article/letter/editorial) | | 4000, South Africa AND ROGER N. SCOON Postnet Suite 291, Private Bag X31, Knysna 6570, South Africa...may be described as a wide-reef facies, in which platinum group element (PGE) mineralization is largely...orthopyroxenite, bounded top and bottom by thin chromite stringers. The wide-reef Merensky reef facies...feldspathic orthopyroxenite is developed below the lower chromite stringer, and a second pegmatoidal orthopyroxenite...developed several centimeters above the upper chromite stringer. In contrast to most occurrences in the |  | Karykowski, Bartosz T, Yang, Sheng-Hong, Maier, Wolfgang D, Lahaye, Yann, Lissenberg, C Johan, O’Brien, Hugh (2017) In situ Sr Isotope Compositions of Plagioclase from a Complete Stratigraphic Profile of the Bushveld Complex, South Africa: Evidence for Extensive Magma Mixing and Percolation. Journal of Petrology, 58 (11) 2285-2308 doi:10.1093/petrology/egy008 | Journal (article/letter/editorial) | | stratigraphic profile of the Bushveld Complex, South Africa: Evidence for extensive magma mixing and percolation...limb cuts across the Transvaal Supergroup from south to north. The floor rocks in the southern portion...norite and a pyroxenite with variable amounts of chromite. The in situ Sr isotope composition Downloaded...these samples could potentially be attributed to a local disturbance of the Sr isotope composition of plagioclase...magma (∼ 0.7091), but this could be explained by local contamination of the magma by the granitic footwall |  | 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...range of diverse processes. Textures exhibited by chromite grains at the base of the reef are consistent...consistent with supercooling and in situ growth. The local thickening of the Merensky chromitite layers within...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 |  | | Report (issue) | | INrr~~Rl()R • IJ Rl◄:1\ lJ lT () I◄~ l\11 N l◄:s AFRICA *Algiers Tunis • NISIA Tripoli Cairo* ALGERIA...Windhoek* Gaborone * Pretoria * Mbabane REPUBLIC OF SOUTH AFRIC1' \ Maputo * LESOTHO MAURITIUS (J Port... MINERALS YEARBOOK MINERAL INDUSTRIES OF r, AFRICA U.S. DEPARTMENT OF THE INTERIOR BUREAU OF MINES...reports and one world overview: Mineral Industries of Africa, Mineral Industries of Asia and the Pacific, Mineral...137 Sierra Leone . . . . . . . . . . . . . 141 South Africa . . . . . . . . . . . . . 145 Sudan . . . . |
|
