 | | Journal (article/letter/editorial) | | Pilgrim's Rest goldfield, eastern Transvaal, South Africa Roger Tyler a,b Noel Tyler a a Bureau of Economic...The University of Witwatersrand, Johannesburg, South Africa Received 31 May 1993; revised version accepted...the Pilgrim's Rest goldfield. 1. Introduction South A f r i c a ' s status as the w o r l d ' s preeminent...Mountainland. The third and less well known source of South A f r i c a ' s gold is the stratiform g o l d -...deposits, the largest alluvial goldfield in Southern Africa. However, stratiform gold-silver ore bodies soon |  | de Waal, S., Schweitzer, J.-K., Graham, I., Gauert, C., Ripley, E. (2008) A Bushveld-related high-Ti igneous suite (HITIS) derived from an alkali to transitional basaltic magma, South Africa. South African Journal of Geology, 111 (2) 201-224 doi:10.2113/gssajg.111.2-3.201 | Journal (article/letter/editorial) | | from an alkali to transitional basaltic magma, South Africa Sybrand de Waal Centre for Research on Magmatic...Geology, University of Pretoria, Pretoria 0002, South Africa. Current address: PO Box 21167, Windhoek, Namibia...Geology, University of Pretoria, Pretoria, 0002 South Africa. Current address: Shango Solutions, HHK House...Geology, University of Pretoria, Pretoria 0002, South Africa. Current address: School of Biological, Earth...Environmental Sciences University of New South Wales Sydney, New South Wales, 2052 Australia e-mail: i.graham@unsw |  | | 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........................... 69 5.1 Overview of South African Occurrences ..............................LAYEREDSUITE,BUSHVELDCOMPLEX.... 111 MINERALOGY OF SOUTH AFRICA: TYPE-MINERAL SPECIES AND TYPE-MINERAL NAMES |  | Boer, R. H., Meyer, F. M., Robb, L. J., Graney, J. R., Vennemann, T. W., Kesler, S. E. (1995) Mesothermal-type mineralization in the Sabie-Pilgrim's Rest gold field, South Africa. Economic Geology, 90 (4) 860-876 doi:10.2113/gsecongeo.90.4.860 | Journal (article/letter/editorial) | | 860-876 Mesothermal-Type Mineralization in the Sabie-Pilgrim's RestGoldField,SouthAfrica R. H. BOER,...herea differentclass of mesothermal golddeposit at Sabie-Pilgrim's Restwhichis probably associated withtheBushveld...andtemperature estimates indicate that the ore fluidsof the Sabie-Pilgrim's Restgoldfield,whichoccurs withinthe EarlyProterozoic...golddeposits. However, a numberof features distinguish the Sabie-Pilgrim's Restoresfromtypicalmesothermal deposits:...cleargeneticlink.Characteristic features of the Sabie-Pilgrim's Restgoldfieldthatcorrespond to thosew |  | | Journal (article/letter/editorial) | | Central Rand Goldfield, Witwatersrand Basin, South Africa R.A. Stewart School of Geoscience, University...Johannesburg, south Africa CSIR: Division of Mining Technology, PO Box 91230, Auckland Park, 2006, South Africa...Shango Solutions, P.O. Box 2591, Cresta, 2118, South Africa email: richard@shango.co.za W.U. Reimold Impact...Private Bag 3, PO Wits, 2050, Johannesburg, South Africa email: reimoldw@geosciences.wits.ac.za E.G...Johannesburg, South Africa email: charlesworthg@geosciences.wits.ac.za © 2004 Geological Society of South Africa |  | | Journal (article/letter/editorial) | | in the northern limb of the Bushveld Complex, South Africa. It is considered to be richer in sulphides...are pyrite-rich shales, which we suggest contributed to the sulphur budget of the Platreef. Local variations...Platreef further away from the footwall, also indicate local rather than regional contamination processes. Platreef...base-metal sulphides within the Platreef are pyrrhotite, pyrite, pentlandite, and chalcopyrite. In this paper,...the Witwatersrand, Private Bag 3, Wits, 2050, South Africa; C. Harris (E-mail: charris@ geology.uct.ac |  | | Journal (article/letter/editorial) | | southern region of the Platreef, Bushveld Complex, South Africa D. Hutchinson and Judith A. Kinnaird In the...for the Ni–Cu–PGE mineralisation in Platreef, South Africa 1 Map showing the location of the drill cores...controlled by the local footwall geometry. On Macalacaskop, Turfspruit and Rietfontein, the Platreef and...Zone dips from 20° to almost 60° close to surface. Local changes in dip-direction are most noticeable at...the property. The footwall on Turfspruit and Rietfontein consists exclusively of Duitschland Formation |  | | 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 © 2004 Geological Society of South Africa ABSTRACT... Located in the central northeast region of South Africa, north of Pretoria (Figure 1), the Complex is...deposits, such as the now-defunct Zaaiplaats Tin Mine near Potgietersrus in the northern limb of the Complex |  | Sharman, E. R., Penniston-Dorland, S. C., Kinnaird, J. A., Nex, P. A. M., Brown, M., Wing, B. A. (2013) Primary origin of marginal Ni-Cu-(PGE) mineralization in layered intrusions: 33S evidence from The Platreef, Bushveld, South Africa. Economic Geology, 108 (2) 365-377 doi:10.2113/econgeo.108.2.365 | Journal (article/letter/editorial) | | INTRUSIONS: Δ33S EVIDENCE FROM THE PLATREEF, BUSHVELD, SOUTH AFRICA E. R. SHARMAN,1,† S. C. PENNISTON-DORLAND,2... Johannesburg, South Africa 4 Umbono Financial Services, Johannesburg, South Africa Abstract The margins...of the northern limb of the Bushveld Complex, South Africa. Our multiple sulfur isotope measurements demonstrate...Platreef, it does not reflect sulfur inputs from the local footwall. Nonlocal crustal sulfur isotope anomalies...Mungall, 2002; Kerr and Leitch, 2005). However, the local geologic setting strongly influences our understanding |  | | Journal (article/letter/editorial) | | platinum deposit, Mookgophong, Limpopo Province, South Africa P. Armitage*1, I. McDonald2 and M. Tredoux3...Mookgophong (Naboomspruit) District of the Limpopo Province in South Africa and is dominated by a gently...merge with the Planknek–Ysterberg Fault system, south of Mokopane (Potgietersrus). The Welgevonden Fault...Free State , PO Box 3440, Bloemfontein 9300, South Africa *Corresponding author, email peba@totalise.co...is located on the farms Welgevonden 353KR and Rietfontein 513KR, some 15 km west of the town of Mookgophong |  | | Journal (article/letter/editorial) | | low-latitude Makganyene glaciation in southern Africa from the Great Oxidation (GO), as recorded by the...also suggest a younger age for the GO in southern Africa (~2.3 Ga) compared with North America (~2.4 Ga)...globally, all three are represented in southern Africa, and the second was a circa 2.40 Ga snowball Earth...low-latitude Makganyene glaciation of southern Africa (Gevers and Beetz, 1940; Visser, 1971; De Villiers...years later on the Kaapvaal craton of southern Africa (Bekker et al., 2001, 2010; Hannah et al., 2004; |  | | Journal (article/letter/editorial) | | Timeball Hill Formation,Transvaal Supergroup, South Africa. L.L. Coetzee, N.J. Beukes and J. Gutzmer Paleoproterozoic...Johannesburg, P.O. Box 524, Auckland Park 2006, South Africa e-mail: llc@rau.ac.za; njb@rau.ac.za; jg@rau...tohoku.ac.jp © 2006 March Geological Society of South Africa ABSTRACT Closely spaced samples of carbonaceous...Paleoproterozoic Transvaal Supergroup of southern Africa hosts a very widespread continental-marine glacial...sedimentary unit, known as the Makganyene and Rietfontein diamictite, in the Griqualand West and Transvaal |  | Kinnaird, Judith A., Hutchinson, D., Schurmann, L., Nex, P. A. M., de Lange, Renee (2005) Petrology and mineralisation of the southern Platreef: northern limb of the Bushveld Complex, South Africa. Mineralium Deposita, 40 (5) 576-597 doi:10.1007/s00126-005-0023-9 | Journal (article/letter/editorial) | | Platreef: northern limb of the Bushveld Complex, South Africa Received: 17 June 2004 / Accepted: 9 August...Springer-Verlag 2005 Abstract The Platreef, the putative local analogue of the Merensky Reef, forms the floor to... University of the Witwatersrand, Wits2050, South Africa E-mail: kinnairdj@geosciences.wits.ac.za L....Platinum Ltd, 2 First Avenue, Mokopane 0600, South Africa are typically quartzites and hornfelsed banded...with lesser pentlandite and chalcopyrite, minor pyrite and traces of a wide compositional range of sulphides |  | | 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 ‘handbook 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; |  | | Report (chapter) | | 2015 Development of the Witwatersrand Basin, South Africa M I K E R C O W A R D 1, R I C H A R D M. S...developed on already consolidated continental crust south of the Limpopo plate margin. It is a flexural basin...mountain belts. The Witwatersrand basin in South Africa (Figs 1 & 2) is important in the study of Early...Graham, this volume) or the sub-andean basins of South America. This paper aims to provide a stratigraphic...Imperial College and Gencor Mineral Resources of South Africa. New field mapping has been carried out in all |  | | Journal (article/letter/editorial) | | GEOLOGICAL EXCURSION TO THE MINING AREAS OF SOUTH AFRICA by Aberra Mogessie, Christoph Hauzenberger...Department of Geology, University of the Free State, South Africa 1. Preface Almost a year ago Aberra Mogessie...(where we had organized past excursions) and South Africa. Having discussed the matter with Christoph...areas of South Africa. We contacted Christoph Gauert from the University of Free State, South Africa to help...help us with the local organization especially to get permission from the different mining companies to |  | | Journal (article/letter/editorial) | | in origin, with contamination by assimilation of local floor rocks considered an ore-modifying process...contaminated with country-rock S. Assimilation of pyrite-bearing shales in the Turfspruit area has locally...country-rock sulfides upgraded the S content on a strictly local scale, and hydrothermal leaching introduced S from...sulfates into later stage sulfides, again on a local scale. South of Zwartfontein, it is proposed that the...complex, located in the northeastern part of South Africa (Fig. 1). The Complex holds around 75 percent |  | | Book | | collaboration. Much of my fieldwork in southern Africa has been carried out with the cooperation and assistance...7.3 2.8 2.9 Africa . . . . . . . . . . . . . . . . . . . . . . . . . . . . West Africa . . . . . . .... . . . . Central Africa. . . . . . . . . . . . . . . . . . . . . . . East Africa. . . . . . . . . .... . . . . . . . . . . . . . . . Southern Africa . . . . . . . . . . . . . . . . . . . . . U.S.S.R. . ...America. . . . . . . . . . . . . . . . . . . . .. South America. . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | Western Cape, Private Bag X17, Bellville, 7535, South Africa e-mail: 2807100@myuwc.ac.za D.I. Cole Council... 7535, South Africa e-mail: dcole@geoscience.org.za © 2019 Geological Society of South Africa. All rights...the southernmost part of the Kalahari Basin in South Africa. It is Early Permian (Artinskian to early Kungurian)...southernmost part of the Kalahari Basin within South Africa (Figure 1). The formation consists predominantly...Karoo System. The name was formally accepted by the South African Committee for Stratigraphy (SACS) in 1980 |  | Cairncross, Bruce, Windisch, Wolfgang, Smit, Henk, Fraser, Allan, Gutzmer, Jens (2008) The Vergenoeg: Gauteng Province, South Africa Fluorite Mine. Rocks & Minerals, 83 (5) 410-421 doi:10.3200/rmin.83.5.410-421 | Journal (article/letter/editorial) | | E G GAUTENG PROVINCE, SOUTH AFRICA T FLUORITE MINE he Vergenoeg fluorite mine is located in the Gauteng...Gauteng Province of South Africa, approximately 80 kilometers northeast of Pretoria. The mine is somewhat of...koechlinite has been discovered. In addition, the mine has produced spectacular botryoidal and stalactitic...fluorite mine is located approximately 140 kilometers northeast of Johannesburg, South Africa. Access...Access to the mine is easy via a paved road that leads off from the national N1 Highway, but visits to the |  | Robb, L. J., Charlesworth, E. G., Drennan, G. R., Gibson, R. L., Tongu, E. L. (1997) Tectono‐metamorphic setting and paragenetic sequence of Au‐U mineralisation in the Archaean Witwatersrand Basin, South Africa. Australian Journal of Earth Sciences, 44 (3) 353-371 doi:10.1080/08120099708728317 | Journal (article/letter/editorial) | | mineralisation in the Archaean Witwatersrand Basin, South Africa a a a a L. J. Robb , E. G. Charlesworth...Witwatersrand, Private Bag 3, Wits 2050, Republic of South Africa Version of record first published: 09 May 2007...mineralisation in the Archaean Witwatersrand Basin, South Africa, Australian Journal of Earth Sciences: An International...mineralisation in the Archaean Witwatersrand Basin, South Africa L. J. ROBB, E. G. CHARLESWORTH, G. R. DRENNAN...Witwatersrand, Private Bag 3, Wits 2050, Republic of South Africa. The Witwatersrand Basin is a structural remnant |  | | Journal (article/letter/editorial) | | of early Proterozoic age, Transvaal Sequence, South Africa J. E. J. Martini Division Mineral Resources...Geological Survey,Private Bag X112, Pretoria 000l, South Africa Abstract. An early Proterozoic palaeosol, developed...transgressive marine sedimentary sequence, contains pyrite which is auriferous in places. The mineralization...Potchefstroom basin, Pretoria environs, and the south-eastern Transvaal, the palaeosol was only slightly...Hematite-chumosite oolites-pisoliles 0 D0 £uhedra~ pyrite ,-..--...-'--~ N Rooihoogt¢ Fm" - ~ ~ Ironstone |  | Boni, M., Terracciano, R., Evans, N. J., Laukamp, C., Schneider, J., Bechstadt, T. (2007) Genesis of Vanadium Ores in the Otavi Mountainland, Namibia. Economic Geology, 102 (3) 441-469 doi:10.2113/gsecongeo.102.3.441 | Journal (article/letter/editorial) | | also fairly widespread in other areas of southern Africa (e.g., Zambia, Angola). Here we describe the geologic...also widespread in several other areas of southern Africa, such as Zambia (Pelletier, 1930; Taylor, 1954;...the Quaternary. Since the last producing vanadium mine was abandoned in 1978, very little geologic and...Harasib 3 Wolkenhauben Gross Otavi V-mine/occurrence Rietfontein road major normal faults major thrusts...Proterozoic rocks towards the north, east, and south of the Otavi Mountainland, and also the deeply eroded |  | Aird, Hannah M., Ferguson, Katherine M., Lehrer, Malia L., Boudreau, Alan E. (2017) A study of the trace sulfide mineral assemblages in the Stillwater Complex, Montana, USA. Mineralium Deposita, 52 (3) 361-382 doi:10.1007/s00126-016-0664-x | Journal (article/letter/editorial) | | of pyrrhotite, chalcopyrite, pentlandite, and ±pyrite. Excluding vein assemblages and those affected...can be affected by apparent S loss in the form of pyrite being converted to magnetite and chalcopyrite to...trend from pentlandite-rich to pyrrhotite-rich to pyrite-rich assemblages is observed in the footwall rocks... USA, and the Bushveld Complex, Republic of South Africa, contain the richest sulfide-hosted deposits...the East Boulder Mine (from N-I to N-II), 29 drill core samples from the Stillwater Mine (from GN-I to OB-I) |  | | Journal (article/letter/editorial) | | GEOLOGICAL LITERATURE OF THE SOUTH AFRICAN REPUBLIC., most characteristic features of South Topograpky.-The African...western mesas. Along the coast, especially on the south and east, is a belt of country of a generally lower...geology of the southern portion of Africa, but not directly upon the South African republic, may be mentioned...COHEN(Neu. Jahrb., 1887). The only geological map of South Africa is one made by E. J. Dunn, as Geologist of the... andpublished in 1887. This covers most of the South African republic, but has no topographic base, and |
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