 | | Book | | LEGACY OF THE MINE LEGACY OF THE MINE LEGACY OF THE MINE ILAN GODFREY JACANA CONTENTS The...The Long (and Dark) Shadow of Mining in South Africa 10 The Photographs 7 Extended Captions 131 ...went Noe rani ese talicim'y z i Palabora Copper Mine, Phalaborwa, Limpopo, 2013. = SS > a 7 =i...Ose The Long (and Dark) Shadow of Mining in South Africa Sakhela Buhlungu For nearly 150 years the mining...mining industry has been the catalyst for South Africa’s economic development and therefore the country’s |  | | Journal (article/letter/editorial) | | Western Platinmn mine differs in many respectsfrom the reef at its type locality at Rustenburg,30 km to the...the west. The reef averages 4 m thick and consistsof major porphyritic melanorite and minor pegmatitic...pegmatiticmelanoriteenclosingtwo thin chromitite bands. Platinum-groupmineralization occursmainly in the vicinity...vicinity of the upper chromitite seam, whereas at Rustenburg, where the reef is very thin and consistsof pegmatitic...between the two localities. The proportionsof the platinum-groupminerals are different from those at all |  | | Report (issue) | | Recent Strikes in South Africa’s Platinum-Group Metal Mines—Effects Upon World Platinum-Group Metal Supplies...Recent strikes in South Africa’s platinum-group metal mines—Effects upon world platinum-group metal supplies...secured from the copyright owner. Contents South African Platinum-Group Metal Producers ................................... 1 Underlying Problems in the Platinum-Group Metal Industry ...........................the (A) distribution and (B) geology of South Africa's platinum-group metal (PGM) deposits ........... |  | | 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 ........................... |  | | Journal (article/letter/editorial) | | EconomicGeology Vol. 81, 1986, pp. 1067-1079 Platinum-Group Element-Chromitite Associations in the Bushveld...Bushveld Complexareevaluated. Chondrite-normalized platinum-group elementplotsof these datashowthat trendsfor...formationof chromitite layersandtheir associated platinum-group elementmineralization were very uniformover...particularlayer are only evidenton a regionalscale. The platinum-group mineralsof the middlegroupof chromititelayersin...1982) havebeen quotedmorefreely. PlatinumHIGH platinum-groupelement concentrationsare a groupelementdatafor |  | | 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) | | the Witwatersrand, Private Bag 3, WITS 2050 South Africa ABSTR ACT The Main Zone of the Bushveld Complex...of surface and core samples from the Brits and Marikana areas, together with mineral compositional data...the Upper Zone. K EY WORDS : Bushveld Complex, South Africa, Main Zone, magma addition, geochemical trends...plagioclase. Introduction THE Bushveld Complex in South Africa is the world’s largest layered intrusion. The...dimension-stone quarries occur in the Main Zone of the Rustenburg Layered Suite P. A. M. NEX ETAL. (the ma |  | | 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 2055–2060 Ma Bushveld Complex in South Africa |  | | Journal (article/letter/editorial) | | ADJACENT TO THE UG2 CHROMITITE, BUSHVELD COMPLEX, SOUTH AFRICA R. Grant CAWTHORN§ and Caroline LUVHIMBE¶ School...Wits 2050, South Africa Martin SLABBERT Geological Office, Lonplats, Private Bag X508, Marikana, 0284, South...South Africa Abstract Core from exploration boreholes at the Karee platinum mine of the western Bushveld...Bushveld Complex, in South Africa, became iron-stained and friable upon surface exposure. This alteration...Complex, South Africa. Sommaire Des carottes provenant de forages d’exploration à la mine de platine |  | | 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) | | 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 |  | | Journal (article/letter/editorial) | | EconomicGeology Vol 77, 1982,pp. 1848-11366 The Platinum-GroupChemistryand Mineralogyof the UG-2 Chromitite...concentrationsof the platinum-groupelementsin Bushveldmagmas. More than6,000grainsof platinum-group mineralswere...chalcopyrite,pyrrhotite,and pyrite. Variation in the platinum-groupmineral assemblages can be explainedby variationsin...andthechemicalvariationsin platinum-groupelementsplusgoldcontents PRODUCTION of platinum-groupelements(PGE) in...layercontains justover50 percentof the plati- ingthe platinum-group mineralogyof the UG-2 layer num-group elementresources |  | | Journal (article/letter/editorial) | | Muskoxintrusion and other layered intrusions,in Harthe platinum-groupelementlevelsin both the reef graves,R. B...Petrology,v. 21, p. 685-719. onlyhavearisenif the platinum-groupmetalsstored --1986, Conventionin aid of... 1183-1225. pile below. Naldrett,A. J., 1981, Platinum-group elementdeposits:Canadian Inst. Mining Metall...Ballhaus,C. G., and Stumpfi,E.G., 1986, Sulfideand platinum ECON. GEOL., v. 81, p. 1105-1117. mineralizationin...BushveldComplexes: Evidencefor transportof the platinum-groupelementsby C1- Vermaak,C. F., 1976, The |  | | Journal (article/letter/editorial) | | University of the Witwatersrand, P.O. Wits 2050, South Africa e-mail: Grant.cawthorn@wits.ac.za; rais.latypov@wits...Wits 2050, South Africa Geological Office, Marikana Mining Operations, Private Bag X508, Marikana 0284, South...South Africa e-mail: Andiswe.vuthuza@lonmin.com © 2018 September Geological Society of South Africa Abstract...in an open pit on Marikana Mining Operations platinum mines property, near Rustenburg, as well as other...upward. The composition of the proposed liquid SOUTH AFRICAN JOURNAL OF GEOLOGY 2018 • VOLUME 121.3 PAGE |  | | 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 |  | | Journal (article/letter/editorial) | | pp 1385-1394 The Platinum-GroupMineralogyof the MerenskyReef at the Impala Platinum Mines, Bophuthatswana...Abstract The platinum-group mineralogyof the MerenskyReefat the Impalaplatinummines,South Africa, hasbeen...followedup by the identificationand analysisof platinum-groupmineralsby electronmicroprobe. The mostabundantbasemetal...chalcopyrite. The relativevolumetricabundances of the platinum-groupmineralswere determinedto be asfollows:coopetite(44%)...MerenskyReef. Observedtexturesincludethe markedtendencyof platinum-groupmineralsto occurwith chalcopyrite, the exsolution |  | | Journal (article/letter/editorial) | | Canadian Mineralogist Vol. 40, pp. 481-497 (2002) PLATINUM-GROUP MINERALS IN CHROMITITE XENOLITHS FROM THE...ULTRAMAFIC PIPES, EASTERN BUSHVELD COMPLEX, SOUTH AFRICA FEDERICA ZACCARINI§ Via B. Ramazzini 15, I-41100...University of the Witwatersrand, PO Wits 2050, South Africa ABSTRACT The ultramafic pipes of Onverwacht...the eastern part of the Bushveld Complex, in South Africa, contain small xenoliths of chromitite that...intersected during the emplacement of the pipes. Platinum-group minerals in the chromitite xenoliths consist |  | | 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...stricto. The study indicates that the bulk of the platinum-bearing chromitite-feldspathic orthopyroxenite...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) | | WOLF MAIER AND SARAH-JANE BARNES 159 Platinum-group elements in the UG1 and UG2 chromitites, and the...Bastard reef, at Impala platinum mine, western Bushveld Complex, South Africa: Evidence for late magmatic...sjbarnes@uqac.ca © 2008 September Geological Society of South Africa ABSTRACT We have examined the UG1 and UG2 chromitites...to the Pseudoreef, in drill core at Impala platinum mine. The UG2 consists of a 66 cm main seam and,...walls on the farm Reinkoyalskraal 278JQ, Impala platinum mines, western Bushveld Complex (Figure 1). In |  | | Journal (article/letter/editorial) | | techniques due to the small grain size of most platinum-group minerals. Ni contents also have to be considered...Æ Pt-Pd-Ni-S Æ Miscibility gap Æ Bushveld Æ South Africa Introduction A large number of quantitative...Geology, University of Pretoria, 0002, Pretoria , South Africa E-mail: rmerkle@postino.up.ac.za A compilation...2002). In many beneficiation-oriented studies on platinum ores in the Bushveld Complex, quantifying the...techniques. However, the small grain sizes of platinum-group minerals frequently exclude this option |  | | Journal (article/letter/editorial) | | Mineralogy an(] Petrology © by Springer-Verlag 1990 Platinum Group Element Distribution in the Lower and Middle...of Geology, Rhodes University, Grahamstown, South Africa With 11 Figures Received August 3, 1989; accepted...the Bushveld Igneous Complex (BIC) as source for platinum-group elements (PGE's) no complete study of mineralized... NG2 and NG3, drilled at Union Section, Rustenburg Platinum Mines, on the farms Nooitgedacht and Zwartklip...(1962) mapped and described the geology of the BIC north of the B i ~ Layered RocksI BIC 100 KM 6 KM |  | 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) | | THE MERENSKY REEF, BUSHVELD LAYERED COMPLEX, SOUTH AFRICA ANDREI Y. BARKOV§ AND ROBERT F. MARTIN Department...in chalcopyrite, in a spatial association with platinum-group minerals, in a sulfide-poor (≤5 vol.% of...the Merensky Reef, Bushveld layered complex, South Africa. This seems to be the first reported occurrence...compound in mafic-ultramafic rocks. The associated platinum-group minerals are members of the braggite series...hydrothermal alteration. Keywords: Cl-rich phase, platinum-group minerals, stannosulfide of Pt, Merensky |  | | Journal (article/letter/editorial) | | 77, 1982, pp. 1:328-1:347 RegionalTrendsin the Platinum-GroupMineralogyof the Critical Zone of the BushveldComplex...volume distribution,and mode of occurrence of the platinum-groupmineralsresidingin the MerenskyReef, the...unexploredareascan perhapsnow be predicted.The platinum-group mineralsof the UG-2 and overlyingMerenskylayers...in differentiatingthe oresin the vicinity (north and south) of the PilansbergAlkaline Complexfrom thoseof...westernBushveld)and hasled to an overall conceptrelating platinum-groupmineral types to postulatedcentersof increasedvolatile |  | | Journal (issue) | | for ESG Mine Closure The roadmap to rehabilitation Closing the loop Striving for zero mine waste ISSN.......................24 PROJECT Relocating Matla Mine 1.................................................44 DIGITAL TRANSFORMATION Mining reimagined for local sector...............................................35 Transforming and redefining mining in South Africa............................................36...environmental harm it causes. Where possible, many mine operations are working towards reducing the carbon |  | | Journal (article/letter/editorial) | | not everywhere, contains the nickel, copper, and platinum-group minerals. The pegmatoid showsevidence of...and 30 m), whereasmassbalancerequires that the platinum-groupelement, Ni, and Cu mineralization be derived...Mereriskycyclicunit of the BushyeldComplex, well known for its platinum-groupelement, nickel, 95 8 MERENSKY CYCLIC...ure presentedhere for the studysectionin the Rustenburg Platinummine may be applicableto mostof Rocknames:For...hand specimenclassificationis needed associated platinum-groupelement,Ni, andCu min- which does not need |
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