 | | 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) | | 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) | | mineralogy and mineral associations of platinum group elements and gold in the Platreef at Zwartfontein, Akanani...Akanani Project, Northern Bushveld Complex, South Africa Frits van der Merwe & Fanus Viljoen & Mike Knoper...Abstract The mineralogy of the platinum-group elements (PGE), and gold, in the Platreef of the Bushveld...for the in-situ examination of platinum group minerals (PGM). PGM and gold minerals encountered include...2006, South Africa e-mail: fanusv@uj.ac.za Introduction The 2055–2060 Ma Bushveld Complex in South Africa |  | | 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) | | 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) | | 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...NilS), an unnamedPt-Pb-Cu sulfide,vysotskite(PdS), gold,and electrum(Au, Ag) aswell asintermetalloids suchasPt-Fe...chalcopyrite,pyrrhotite,and pyrite. Variation in the platinum-groupmineral assemblages can be explainedby variationsin...andthechemicalvariationsin platinum-groupelementsplusgoldcontents PRODUCTION of platinum-groupelements(PGE) in |  | | 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) | | 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) | | 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 (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) | | 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) | | REVIEW Witwatersrand gold: discovery matters G. N. Phillips* Descriptions of the Witwatersrand goídfields...1930s and 1940s, the Witwatersrand dominated world gold peaking at 1000 t Au production in 1970. There has...has averaged 20 t of gold per year since 1994; at this rate, Witwatersrand gold mining will end in mid-2022...the world's great goldfields is that, where much gold has been discovered, there remains opportunity for...Keywords: Discovery, Exploration, Witwatersrand, Gold, Multiple working hypothesis, Mindset Introduction |  | | 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) | | 77, 1982, pp• 1867-1884 A Contributionon the Platinum-GroupMineralogy of the MerenskyReef at the Ru...variations,and possible parageneticposi- tionsof the platinum-group minerals(PGM)in samples of MerenskyReefpyroxenite...normalreef faciesin the centralsectionof the Rustenburg mine are described and discussed. The studyindicatesthat...reflectanceand hardnessdata are presented.The platinum-groupmineralsare an intimate part of the crystallization...conformsto the known geochemicalcharacter of the platinum-groupelements,especiallywith regardto the fractionationof |  | 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 |  | | Report (issue) | | DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY REVIEW OF PLATINUM-GROUP METAL GEOCHEMISTRY AND THE MAJOR OCCURRENCES................ 1 Geologic occurrences of the platinum-group metals ....... 2 ................ 2............... 3 Platinum deposits in South Africa ............. 3 Major platinum deposits in Russia...Russia ............. 5 Platinum deposits in Canada ................ 6 Platinum deposits in Columbia .................. 6 Platinum occurrences in other parts of the world ..... 7 .................... |  | | Journal (article/letter/editorial) | | andsperrylitewith platinum-iron alloyand minorPt-Pd bismuthotellurides and pipesby platinum-iron alloy,sperrylite...sulfidesin the earlier stagesand to form independent platinum-group mineralsin the later stagesof the magmaticcycle...silicatenickelinto sulfidenickel,but alsoin theextraction of platinum-group elements from•silicates, oxides, andsulfides...andeconomically significant platinum-group minerals. Hydrothermal copper-platinum oresnotspatially related...Uralsplacers area casein point;and(3) alteration of platinum-group element alloys in placersis a widespread |  | | Journal (article/letter/editorial) | | 177 Compositional and textural peculiarities of gold-rich alloys from the Merensky Reef Roland Merkle...Geology, University of Pretoria, Pretoria 0002, South Africa. e-mail: mierkle@postino.up.ac.za; wiebke.grote@up...2008 September Geological Society of South Africa ABSTRACT Gold-rich alloys with variable ¡imounrs of...minerals. Textures and assemblages imply that these gold grains and their inclusions formed from Huids through...not only a major source of platinum-group elements (PGE), it also contains gold which is recovered as a |  | | 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 (article/letter/editorial) | | chromitite layer, Bushveld Complex, South Africa, on Karee Mine (Lonmin Platinum) J. Van der Merwea, R.G. Cawthornb...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...sources given by Eales and Cawthorn, 1996). All the platinum mines (Merensky and UG2 Reefs) are denoted by |  | Naldrett, Anthony J., Gasparrini, E. C., Barnes, Stephen J., Von Gruenewaldt, G., Sharpe, M. R. (1986) The upper critical zone of the Bushveld Complex and the origin of merensky-type ores. Economic Geology, 81 (5) 1105-1117 doi:10.2113/gsecongeo.81.5.1105 | Journal (article/letter/editorial) | | SouthAfrica E. C. GASPARRINI, MinmetScientific,6651 North CampbellAvenue,No. 102, Tucson,Arizona 85718 S...hydrothermalor magmaticfluidsto enrichthe sulfidesin platinum-groupelements.There are no featuresin the rocksto...10sthatappeartoapplyin thecaseofmostmagmatic that platinum-groupelement partitioningincreases ores.The secondis...all magmaticsulfidedeposits. been enriched in platinum-groupelementssubseIn this paper, we report new...ET AL. GeologicSettingof the MerenskyReef The platinum-group elementconcentrations of the Merenskyreef |  | | Journal (issue) | | | 2021 www.miningreview.com MINING IN CENTRAL AFRICA 20 YEARS OF REAGENT EXCELLENCE P4 THE DRC'S MOVERS...MINING IN CENTRAL AFRICA Issue 3 | 2021 www.miningreview.com 16 MINING IN CENTRAL AFRICA 20 YEARS OF REAGENT...REAGENT EXCELLENCE MINING REVIEW AFRICA | ISSUE 3 – 2021 P4 THE DRC'S MOVERS AND THE SHAKERS P16 COMMODITY... 58 Large FLSmidth Liquid energy Kamoa copper mine to benefit from hydropower. COMMODITY FOCUS: BASE...as it starts and fully commits to expanding its mine portfolio. THE MINING VALUE CHAIN: STEP 3: Process |
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