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| 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 |
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| 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 ........... |
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| 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 ........................... |
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| 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; |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| ‘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 |
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| 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 .................... |
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| 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 |
 | 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 |
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| 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 |
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| commonly,but not everywhere, contains the nickel, copper, and platinum-group minerals. The pegmatoid showsevidence...and 30 m), whereasmassbalancerequires that the platinum-groupelement, Ni, and Cu mineralization be derived...BushyeldComplex, well known for its platinum-groupelement, nickel, 95 8 MERENSKY CYCLIC UNIT 959 ...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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| Petrology (2000) 68: 213±222 The recovery of platinum-group elements from the UG-2 chromitite, Bushveld...Mintek, Randburg, South Africa Department of Geology, University of Pretoria, South Africa With 6 Figures...accepted April 2, 1999 Summary The behaviour of platinum-group elements (PGE) during milling and ¯otation...the UG-2 chromitite occur primarily in discrete platinum-group mineral phases, varying from sulphide assemblages...sulpharsenide phases. The mode of occurrence of platinum-group minerals ranges from being predominantly |
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| 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 |
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| | 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...Lucrative project awaits government approval. Nickel: No longer a forgotten battery metal The metal... 58 Large FLSmidth Liquid energy Kamoa copper mine to benefit from hydropower. COMMODITY FOCUS: BASE |
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| VARIATION OF CHROMITE CHEMISTRY, PLATINUM GROUP ELEMENT AND PLATINUM GROUP MINERAL DISTRIBUTION IN THE...CHROMITITE: AN EXAMPLE FROM THE KAREE MINE, WESTERN BUSHVELD COMPLEX, SOUTH AFRICA Malte Junge,† Thomas Oberthür...Bushveld Complex in South Africa contains the world’s largest resources of platinum group elements (PGEs)...of chromite, and the distribution of PGEs and platinum group minerals (PGMs) within the UG-2. In the...the sequence of the UG-2 chromitite at the Karee mine in the western Bushveld Complex was studied in detail |
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| Geology, University of Pretoria, Pretoria 0002, South Africa. e-mail: mierkle@postino.up.ac.za; wiebke.grote@up...ac, za © 2008 September Geological Society of South Africa ABSTRACT Gold-rich alloys with variable ¡imounrs...Bushveld Complex is not only a major source of platinum-group elements (PGE), it also contains gold which...investigation of such grains from Rustenbutg Platinum Mine (Kingston and El-Dosuky, 1982) revealed that...Such inclusions are not restricted to Rustenburg Platinum Mine and can be observed in coarse metallic |
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| through the UG-2 chromitite layer were analyzed for platinum-group elements. The results, when plotted againstheight...It is arguedthat these resultsreveal that the platinum-groupmineralscrystallizedvery early in UG-œ layer-type...exampleis not sufficientto disclaimthe possibilitythat platinum-groupelements can also behave like incompatibleelements...Naldrett and Cabri (1976) postulateda model in which platinum-group elements were incorporated in the melts...collected in sulfide dropletsto form a sulfide-and platinum-richzone. Campbell and Naldrett (1979) and Campbell |
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| 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 |
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| Sciences, University of Pretoria, Pretoria, South Africa With 6 Figures Received October 1, 1998; revised...most important platinum group minerals because of their high proportions in the platinum group ores of...providing us with synthetic standards, to Zeiss South Africa for assisting us with microscope facilities...FA, Hey MH (1932) Determination of minerals in platinum concentrates from the Transvaal by X-ray methods...Merensky Reef at the Western Platinum Mine, near Marikana, South Africa. Econ Geol 71: 1299±307 Cabri |
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| desulfurization in the Merensky Reef at Rustenburg (western Bushveld Complex, South Africa) ALEXANDER KAWOHL1,* AND...Sciences, University of Cape Town, Rondebosch 7700, South Africa [Received 30 July 2015; Accepted 4 November...Merensky Reef from Frank Shaft No.1 at Rustenburg Platinum Mine revealed the presence of a Pt-Fe-alloy...bismuthotellurides (10 vol.%), electrum (9 vol.%) and platinum group element- (PGE-) sulfides and stannides (2...Y WO R D S : Merensky Reef, Bushveld Complex, platinum-group minerals, troilite, isoferroplatinum, Pt-Fe-alloy |
