 | | 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 ........... |  | | 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 |  | | 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) | | 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 |  | | 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) | | 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 |  | | 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) | | 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 |  | | Journal (article/letter/editorial) | | OF THE PLATINUM-GROUP MINERALS IN A CROSS-SECTION THROUGH THE MERENSKY REEF AT IMPALA PLATINUM: IMPLICATIONS...University of Pretoria, Pretoria 0002, Republic of South Africa PETER C. FISHER School of Earth, Ocean and...composition of platinum-group minerals in samples from a section of the Merensky Reef at Impala Platinum, on the...Reinkoyalskraal, in the western Bushveld Complex, South Africa, has shown that melanorite, leuconorite and...exsolution texture within the base-metal sulfides. Rhodium, present as the unnamed Cu–Pt–Rh sulfide, is associated |  | | 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) | | 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 |  | | 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 |  | Oberthür, Thomas, Junge, Malte, Rudashevsky, Nikolay, de Meyer, Eveline, Gutter, Paul (2016) Platinum-group minerals in the LG and MG chromitites of the eastern Bushveld Complex, South Africa. Mineralium Deposita, 51 (1) 71-87 doi:10.1007/s00126-015-0593-0 | Journal (article/letter/editorial) | | ARTICLE Platinum-group minerals in the LG and MG chromitites of the eastern Bushveld Complex, South Africa...of the Bushveld Complex in South Africa contain vast resources of platinum-group elements (PGE); however...mineralogical nature, assemblages, and proportions of platinum-group minerals (PGM) is essentially missing. In...(compared to the LG-6) or regionally in the chromitites south of the Steelpoort lineament. Editorial handling:...Russia 3 Sylvania Platinum Ltd., P.O. Box 976, Florida Hills 1716, South Africa Introduction The 2 |  | Page, Norman J, Von Gruenewaldt, Gerhard, Haffty, Joseph, Aruscavage, Philip J. (1982) Comparison of platinum, palladium, and rhodium distributions in some layered intrusions with special reference to the late differentiates (upper zone) of the Bushveld Complex, South Africa. Economic Geology, 77 (6) 1405-1418 doi:10.2113/gsecongeo.77.6.1405 | Journal (article/letter/editorial) | | 77, 1982,pp 1405-1418 Comparisonof Platinum, Palladium, and Rhodium Distributionsin Some Layered Intrusionswith...decreasingpatternswithin each unit. Analyses of platinum,palladium,and rhodiumfor 69 rocksfrom the mainandupperzones...these intervals.The concentration levelsof the platinum-group metalsappearto be directlyrelated to the...distribution, concen- on the distributionof the platinum-groupelements tration,andresidence of theplatinum-group...pipesindicatesa strongaffinity of theseeleMost platinum-groupelement analytic data have ments, first, |  | | Journal (article/letter/editorial) | | H.F.J. THEART AND C.D. DE NOOY 287 The Platinum Group Minerals in two parts of the Massive Sulphide...Sulphide Body of the Uitkomst Complex, Mpumalanga, South Africa H.F.J. Theart Department of Earth Sciences,... University of Pretoria, Pretoria, South Africa E-mail: htheart@postino.up.ac.za C.D. de Nooy Anglovaal...1212, Florida, 1710, South Africa E-mail: dorritn@avmin.co.za ABSTRACT Platinum Group Elements (dominated...of the Uitkomst Complex, Mpumalanga Province, South Africa. Mineralogical investigations were conducted |  | | Journal (article/letter/editorial) | | 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 |  | | Journal (article/letter/editorial) | | 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 |  | | Journal (article/letter/editorial) | | the UG-2 layer. The calculatedconcentrationof platinum-groupmetalsin the sulfidephasein the UG-2 chromititelayer...this magmabatch was slightly more enriched in the platinum-groupelementsin order to producethe increased...preexistingsulfides in the UG-2 chromitite layer collected platinum-groupelementsfrom upward-migrating, highly fr...chromitite layers into the northwest of Steelpoort in South Lebowa, cluding the UG-2 chromitite layer (Wagner...sof the Merensky trenchesand the slump in the platinum market in Reef and the UG-2 chromitite layer occur |  | | Journal (article/letter/editorial) | | formation—a key to understanding processes of platinum enrichment J. A. Kinnaird, F. J. Kruger, P. A...Bushveld Complex hosts a number of substantial platinum-group element (PGE)-bearing chromitite layers...of the platinum-bearing Merensky Reef. Until 1982 only the Merensky Reef was mined for platinum, although...Until 1982 only the Merensky Reef was mined for platinum in the Bushveld Complex, although it has long...long been known that chromitites also host platinum-group elements (PGE).28 All the chromitites are enriched |  | | 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...chromite crystallization and consequent sulfide and platinum group mineral (PGM) precipitation resulting from...of the eastern limb of the Bushveld Complex, South Africa (Fig. 1). The original discovery of the Merensky...eastern limb is due to the fact that concentrated platinum exploration and mining only commenced here in |  | | Journal (article/letter/editorial) | | Studies, Carleton University, Ottawa, Canada Platinum-Group Minerals and Other Solid Inclusions in Chromite...25, 1983 ; accepted November 21, 1983 Summary Platinum-group mineral, silicate and other solid and fluid...mafisch-ultramafischen Komplexe anzuwenden ist. Introduction Platinum-group minerals (PGM), silicate (e.g., olivine...One hypothesis requires that chromite accept the platinum-group elements (PGE) into structural sites during...and Compositions of Solid Inclusions in Chromite Platinum-group mineral and silicate inclusions (olivine |  | | Journal (article/letter/editorial) | | Geology, University of Pretoria, Pretoria, 0002 South Africa Abstract The compositions of coexisting and...g. Genkin and Evstigneeva, 1.986). Amongst the platinum-group minerals (PGM) in the UG-2 and the Merensky...probably the most important minerals in ores of the platinum- group elements (PGE). They are also the most...suggests a possible substitution of Co for Pt. Rhodium correlates positively with Pt (r = 0.4336) and...higher affinity for cooperite than for braggite. Rhodium was detected only three times in braggite, and |  | | Journal (article/letter/editorial) | | EconomicGeology Vol. 85, 1990, pp. 1777-1789 Platinum-GroupElement Behaviorin the Lower Part of the...Pretoria0002, SouthAfrica Abstract Analyticaldatafor the platinum-group elements(PGE)andgoldon 17 samples froms...detected in only two sulfide-minlargestdepositsof platinum-groupelements(PGE)in eralized samplesfrom below...Roossenekal,by the AngloAmericanCorporationof South Africa throughthe sequencefrom magnetitelayer 5 to...whichisfrequentlyattributedto inclusions of discrete platinum-group minerals in the chromite (e.g., McLaren |  | | Journal (issue) | | Editor-in-Chief Karen McBeth . . . Managing Editor, North Ammca Hoo1 Kong: . . . . . . . . . . . . . . . ...$48-50/mt heard in the fourth quarter of 1998, while local traders have been heard offering at a higher $46-47/mt...another company official srud. 11\Ve closed one mine last year and now we have shut another, as prices...of New Mexico, which includes the Questa primary mine, and a lanthanides operation in Mountain Pass, California...alumina to expect from the Northern Urals bauxite mine, which is nearly depicted. SUAL hopes to develop |
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