| | Journal (article/letter/editorial) | GEOLOGICAL EXCURSION TO THE MINING AREAS OF SOUTH AFRICA by Aberra Mogessie, Christoph Hauzenberger...State, South Africa 1. Preface Almost a year ago Aberra Mogessie planned to organize a field excursion...(where we had organized past excursions) and South Africa. Having discussed the matter with Christoph...to organize a field excursion to the geologically interesting mining areas of South Africa. We contacted...from the University of Free State, South Africa to help us with the local organization especially to get | | | Journal (article/letter/editorial) | Springer-Verlag 1995 Economic potential of the Rooiberg Group: volcanic rocks in the floor and roof of...Department, Pretoria University, Hillcrest 0002, South Africa Received: 17 May 1994/Accepted: 9 December 1994...1994 Abstract. Volcanic rocks of the Rooiberg G r o u p are preserved in the floor and roof of the marie...Rustenburg Layered Suite of the Bushveld Complex. Field and geochemical characteristics of these volcanic...major ore-forming events are identified in the Rooiberg Group. The first phase was accompanied by volcanic | | | Journal (article/letter/editorial) | unconformity in the Transvaal succession of South Africa Eric. S. Cheneya'l and David Twist b'2 aDepartment...University, P.O. Box 524, Johannesburg, 2000, South Africa blnstitute for Geological Research on the Bushveld...Complex, University of Pretoria, Pretoria, 0002, South Africa (Received August 29, 1988; accepted after revision...unconformity in the Transvaal succession of South Africa. Precambrian Res., 52:115-132. A previously...succession of the Kaapvaal province of southern Africa. The predominantly marine and siliciclastic rocks | | | Journal (article/letter/editorial) | mineralisation in granites of the Bushveld Complex, South Africa L. J. Robb, L. A. Freeman and R. A. Armstrong...mineralisation in granites of the Bushveld Complex, South Africa. Transactions of the Royal Society of Edinburgh:...mineralisation in granites of the Bushveld Complex, South Africa L. J. Robb, L. A. Freeman and R. A. Armstrong...mineralisation (typified by the endogranitic Zaaiplaats tin deposit) is related to incompatible trace element...deposits and the exogranitic, sediment-hosted Rooiberg mine) which is dominated by polymetallic sulphide | | | Journal (article/letter/editorial) | SnâFâ(REE) mineralization, Bushveld Igneous Complex, South Africa Litshedzani Mutele ,1,2 Alazar Billay,1 and...Bushveld granites of the Bushveld Igneous Complex, South Africa. The Lebowa Granite Suite, commonly known as...1980s, the Bushveld Igneous Complex (BIC) of South Africa used to 1 Council for Geoscience, 280 Pretoria...Pretoria Street, Silverton, Pretoria 0184, South Africa. 2 To whom correspondence should be addressed; e-mail:...was confined to six ââtin fields,ââ namely Mokopane, Olifants, Elands, Rooiberg, Modimolle and Moloto | | | Journal (article/letter/editorial) | University of the Witwatersrand, Johannesburg, 2050, South Africa Current address: Department of Geology, Rand...Box 524, Auckland Park, Johannesburg, 2006, South Africa e-mail: glgy13@na.rau.ac.za L.J. Robb EGRI-HAL...2050, South Africa e-mail: robblj@geosciences.wits.ac.za Š 2004 Geological Society of South Africa ABSTRACT...ABSTRACT Field mapping of a region in the central southeastern portion of the Bushveld Complex in an area...granophyres of the Rashoop Granophyre Suite, the Rooiberg Group and Transvaal Supergroup has identified | | | Journal (article/letter/editorial) | Pretoria 0001, Republicof SouthAfrica Abstract Fluorite-hematitemineralizationon the farms Kromdraai and...secondary impregnation and selective replacement of FLUORITE-HEMATITE mineralization occurs asso- the more...study of the genic province encompassesthe Vergenoeg mine pyroclasticrocksand the mineralization.He mapped...lithologicalsequence rock suite which also contains discreet fluorite and in detail. He found that the hematite invariably...depositin southern sive fluorite ore in the vicinity of the "Big North" Africa. He related the pyroclastic | | | Journal (article/letter/editorial) | THE GEOCHEMISTRY OF THE BUSHVELD POTGIETERSRUS TIN-FIELD GRANITES IN THE D.H. LENTHALL* and D.R. HUNTER...University of the Witwatersrand, Johannes burg (South Africa) Department of Geology and Mineralogy, University...University of Natal, Pietermaritzburg (South Africa) (Received and accepted May 3, 1977) ABSTRACT Lenthall...of the Bushveld granites in the Potgietersrus tin-field. Precambrian Res., 5 : 359--400. An area of 324...of the Bushveld granites in the Potgietersrus tin-field. Two hundred and sixty nine samples were collected | | | Journal (article/letter/editorial) | tectonics, magmatism, and mineralisation of the South African Precambrian shield is discussed. A geosynclinal...five times as long as the post-Precambrian. The South African shield appears highly suitable for investigations...preserved and well exposed. The Precambrian in southern Africa comprises a more or less continuous suite ofmetasediments...of more than 35,000 m. Furthermore, in southern Africa the earth's history, at least in outline, appears...mineralisation. There is hardly anywhere else in Africa an orogenic zone to which this applies. Recent | | | Journal (article/letter/editorial) | University of Natal , Pietermaritzburg, 3200, South Africa d U.S. Geological Survey , Box 25046, Mail...University of Natal, Pietermaritzburg 3200, South Africa AND ROY KNIGHT Downloaded by [ECU Libraries]...200,000 km 3 of intermediate to acid volcanics (Rooiberg Felsite), mafic and ultramafic magmas intruded...Klipkloof granites. The Nebo Granite intruded the Rooiberg Felsite as sheets up to 4 km thick above the RLS...Sm-Nd isotope ratios for samples of: Nebo Granite; Rooiberg Felsite; granophyre and granophyric granite; Makhutso | | Goff, B. H., Weinberg, R., Groves, D. I., Vielreicher, N. M., Fourie, P. J. (2004) The giant Vergenoeg fluorite deposit in a magnetite?fluorite?fayalite REE pipe: a hydrothermally-altered carbonatite-related pegmatoid?. Mineralogy and Petrology, 80 (3) 173-199 doi:10.1007/s00710-003-0012-6 | Journal (article/letter/editorial) | 1007/s00710-003-0012-6 The giant Vergenoeg fluorite deposit in a magnetiteâfluoriteâfayalite REE pipe: a hydrothermally-altered...Australia 2 Vergenoeg Mine, Farm Kromdraai, Rust De Winter, SA, Pienaarâs River, South Africa Received February...world-class Paleoproterozoic Vergenoeg fluorite deposit in South Africa is hosted in a breccia pipe comprising...magnetite, fluorite and siderite. The adjacent A-type Bushveld granites also have associated fluorite deposits...deposits containing fluorite with similar REE patterns, fluid inclusion and Sr isotope compositions to those | | | Journal (article/letter/editorial) | G. CAWTHORN 413 Rb-Sr and Nd-Sm isotopes in fluorite related to the granites of the Bushveld Complex...the Witwatersrand, Private Bag 3, Wits 2050 South Africa email: kinnairdj@geosciences.wits.ac.za F.J...the Witwatersrand, Private Bag 3, Wits 2050 South Africa email: krugerj@geosciences.wits.ac.za R.G....Wits 2050 South Africa cawthorng@geosciences.wits.ac.za Š 2004 Geological Society of South Africa ABSTRACT...30 000km2. The granite suite and the overlying Rooiberg Group felsic volcanics are near coeval with the | | | Journal (article/letter/editorial) | deposits of the Campbellrand and Malmani Subgroups, South Africa A review J.E.J. Martini 1, P.G. Eriksson 2,...0001, South Africa 2 Department of Geology, University of Pretoria, Pretoria 0002, South Africa Received:...with the deposits of the Mississippi Valley. These South African deposits are of special interest since they...Location ....----. BOTSWANA ',~South Africa 9 r-] zeerust mineralized field (Fig. 4) 1 26~ , LEGEND Qu~ema~...Qu~ema~ Permian .... 3,~ ~ "------ Waterberg, Olifantshoek Groups and younger Proterozoic (<1.9 Ga) | | | Journal (article/letter/editorial) | matrix-matched reference material: Examples from worldwide tin deposits spanning the Proterozoic to the Tertiary...matrixmatched reference material: Examples from worldwide tin deposits spanning the Proterozoic to the Tertiary...matrix-matched reference material: Examples from worldwide tin deposits spanning the Proterozoic to the Tertiary...Abstract. Cassiterite (SnO2), a main ore mineral in tin deposits, is suitable for UâPb isotopic dating CR...cassiterite from tin deposits in Bolivia, Brazil, China, Russia, Saudi Arabia, South Africa, IP Spain, | | van den Kerkhof, Alfons M., Sosa, Graciela M., OberthĂźr, Thomas, Melcher, Frank, Fusswinkel, Tobias, Kronz, Andreas, Simon, Klaus, Dunkl, IstvĂĄn (2018) The hydrothermal Waterberg platinum deposit, Mookgophong (Naboomspruit), South Africa. Part II: Quartz chemistry, fluid inclusions and geochronology. Mineralogical Magazine, 82 (3) 751-778 doi:10.1180/mgm.2018.80 | Journal (article/letter/editorial) | The Hydrothermal Waterberg Platinum Deposit, Mookgophong (Naboomspruit), South Africa â Part II â Quartz...historic Waterberg Platinum deposit, ca. 15 km WNW of Mookgophong (formerly Naboomspruit), Limpopo Province...Province, South Africa, is a rare fault-bound hydrothermal vein-type quartz-hematite-platinum-group mineralization...complex during Kibaran tectonic movements along the Thabazimbi-Murchison Lineament. Felsic fragments containing...salinity and moderate acidity. 2 KEYWORDS: Waterberg Platinum Deposit, quartz-hematite-PGE mineralization | | | Book (edition) | OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH AFRICA...Second World War, and partly as a result of it, South Africa experienced vast industrial expansion. This...official âhandbook on the mineral resources of South Africa, it has become necessary to revise, or rather...great diversity and magnitude of South African mineral deposits and local mining operations, the Economic...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; | | | Journal (article/letter/editorial) | the Transvaal Sequence and Bushveld Complex, South Africa P.G. Eriksson 1, P.J. Hattingh 1, and W. Altermann...Geology, Universityof Pretoria, Pretoria 0002, South Africa 2 Institut ffir Allgemeine und Angewandte Geologic...asbestos, andalusite, gold, fluorine, lead, zinc and tin ores, and the latter some of the World's major occurrences...An uppermost predominantly volcanic succession (Rooiberg Group-Loskop Formation) is restricted to the Transvaal...have controlled Pretoria Group sedimentation, Rooiberg volcanism and the intrusion of the mafic rocks | | | Journal (article/letter/editorial) | 527-557 THE ROOIBERG AND LEEUWPOORT TRANSVAAL, A. LEUBE PART II. PETROLOGY, AND SOUTH TIN MINES, ... AFRICA E. F. STUMPFL MINERALOGY AND GEOCHEMISTRY PAGE Petrology,mineralog-y and geochemistry............................................. 531 B-Mine (Nieuwpoort) ....................................................................... 556 THE ROOIBERG MINES The Country Rocks The hypothetical possibility...acceptable. In Figure 19, the composition field of the Rooiberg"quartzites"is projecteduponPettijohn's (27 | | GĂźnther, T., Haase, K. M., Klemd, R., Teschner, C. (2018) Mantle sources and magma evolution of the Rooiberg lavas, Bushveld Large Igneous Province, South Africa. Contributions to Mineralogy and Petrology, 173 (6) doi:10.1007/s00410-018-1477-y | Journal (article/letter/editorial) | magma evolution of the Rooiberg lavas, Bushveld Large Igneous Province, South Africa T. GĂźnther1 ¡ K. M...ratios for basaltic to rhyolitic lavas from the Rooiberg continental large igneous province (LIP). The...The formation of the Paleoproterozoic Rooiberg Group is contemporaneous with and spatially related to the...mantle-normalized trace element patterns of the Rooiberg rocks show an enrichment of large ion lithophile...Ta, P, Ti and a positive Pb anomaly. Unaltered Rooiberg lavas have negative ÎľNdi (â 5.2 to â 9.4) and | | Graupner, Torsten, MĂźhlbach, Caroline, Schwarz-Schampera, Ulrich, Henjes-Kunst, Friedhelm, Melcher, Frank, Terblanche, Hennie (2015) Mineralogy of high-field-strength elements (Y, Nb, REE) in the world-class Vergenoeg fluorite deposit, South Africa. Ore Geology Reviews, 64. 583-601 doi:10.1016/j.oregeorev.2014.02.012 | Journal (article/letter/editorial) | in the world-class Vergenoeg ďŹuorite deposit, South Africa Torsten Graupner a,â, Caroline MĂźhlbach b, Ulrich...Germany Vergenoeg Mining Company (PTY) LTD., South Africa d Chair of Geology and Economic Geology, University...Vergenoeg ďŹuorite deposit in the Bushveld Complex in South Africa is hosted by a volcanic pipe-like body. The...in the world-class Vergenoeg ďŹuorite deposit, South Africa, Ore Geol. Rev. (2014), http://dx.doi.org/10...samples The Vergenoeg mine is located in the Kaapvaal Craton in southern Africa. Its host rocks form the | | | Journal (article/letter/editorial) | of the Mineralizing Fluids at the ZaaiplaatsTin Mine, PotgietersrusDistrict G. VON GRUENEWALDT Institute...where crystallizationof tourmaline, cassiterite,fluorite, and other typical pipe mineralstook place. Introduction...Taylor, P. THE close genetic relationshipbetween tin miner- Pollard, and co-workers.In effect, therefore...deposits of which the undergroundexploration. Rooiberg-Leeuwpoortdepositsare the best known Geologic...of the Mineralization examples. The Zaaiplaats tin mine is situated within the Three different types of | | Duane, Michael J., Kruger, F. Johan, Roberts, Peter J., Smith, Craig B. (1991) Pb and Sr isotope and origin of Proterozoic base metal (fluorite) and gold deposits, Transvaal Sequence, South Africa. Economic Geology, 86 (7) 1491-1505 doi:10.2113/gsecongeo.86.7.1491 | Journal (article/letter/editorial) | Sr Isotope and Origin of Proterozoic BaseMetal (Fluorite) and Gold Deposits,TransvaalSequence,SouthAfrica...the isotopicdata of the Au depositsindicatemore local derivationof the mineralizingfluids.Thesedeposi...TransvaalSequencehave sociatedwith the Witkop zinc district (see Crocker been known sincethe mid-nineteenthcentury...BushveldComplex [⢠-â˘v uatown Younger cover Waterberg/Olifantshoek Pretoria/Griquatown ChuniespoortJGhaap...Bushveldmagmaticprovince 2.06 Unconformity 2.10 2.22 Rooiberg felsites Possible indication of subduction Unconformity | | | Journal (article/letter/editorial) | Valley-type (MVT) deposits, Transvaal Supergroup, South Africa Stephen E. Kesler a,â, Martin Reich a,b , Marlon...NeoarcheanâPaleoproterozoic Transvaal basin in South Africa, which were deposited before the 2.4 to 2.0...Sphalerite in ZnâPb MVT deposits (Bushy Park) and fluorite in Fâ(ZnâPb) MVT deposits (Zeerust) are dominated...daughter minerals (L + V + D) is present in Zeerust fluorite and probably reflects contributions from the Bushveld...MVT; Precambrian; Fluid inclusion; Basinal brine; Fluorite 1. Introduction Earth's oldest clearly recognizable | | | Report (issue) | ASSISTANCE OF THE SCIENTTFIC AND TECHNICAL STAFF TIN ORES BY G. M. DAVIES, M.Sc. (LoND.), F.G.S. Scientinc... CONTENTS CHAPTER I TIN ORES : T THE ORES R OCCURRENCE, CHARACTERS AND USES PAOB OF TIN-WORLD'S PRODUCTION...PRODUCTION OF TIN ORE-VALUATION OF TIN ORE-THE PRICE OF TIN -THE PROPERTIES OF TIN-THE USES OF TIN⢠SECONDARY...SECONDARY TIN ⢠⢠⢠⢠⢠I CHAPTER II SOURCES OF SUPPLY OF TIN ORES {a) BRITISH EMPIRE : Europe : United...Settlements . 29 Africa: Gold Coast, Nigeria, N yasaland, Rhodesia, Union of South Africa, Swaziland 47 | | Kinnaird, Judith A, Yudovskaya, Marina, McCreesh, Matthew, Huthmann, Florian, Botha, Thys J. (2017) The Waterberg Platinum Group Element Deposit: Atypical Mineralization in Mafic-Ultramafic Rocks of the Bushveld Complex, South Africa. Economic Geology, 112 (6) 1367-1394 doi:10.5382/econgeo.2017.4513 | Journal (article/letter/editorial) | Economic Geology, v. 112, pp. 1367â1394 The Waterberg Platinum Group Element Deposit: Atypical Mineralization...Mafic-Ultramafic Rocks of the Bushveld Complex, South Africa Judith A Kinnaird,1,2,â Marina Yudovskaya,1...University of the Witwatersrand, 2050 Wits, South Africa 2 Centre of Excellence for Integrated Mineral...University of the Witwatersrand, 2050 Wits, South Africa 3 Institute of Geology of Ore Deposits, Petrography...osite sequence, and an Upper zone. Overlying Waterberg red beds were deposited between ~2.05 and ~1.93 |
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