 | | 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) | | restricted to a belt that runs from Steelpoort and Burgersfort in the northeast, to Rustenburg and Northam in...Mineralogical Services, P.O. Box 432, Florida 1710, South Africa E-mail: fjk@moruominerals.co.za overlies but...but also onlaps the ļ¬oor-rocks to the south of the Steelpoort area . The source of the magmas also appears...appears to have been towards the south as the MG chromitite layers degrade and thin northward whereas the...Critical Zone, and onlaps the ļ¬oor-rocks to the south, and the north where it is also the basal zone in |  | | Journal (article/letter/editorial) | | Province: The Rooiberg Group, Kaapvaal Craton, South Africa Nils Lenhardt ā , Patrick G. Eriksson Department...Geology, University of Pretoria, Pretoria 0002, South Africa a r t i c l e i n f o Article history: Received...volcanism Large Igneous Province Rooiberg Group South Africa Volcanic evolution a b s t r a c t The volcanic...deposited on the stable Kaapvaal Craton in northern South Africa. Although the Rooiberg Group is stratigraphically...Suite; 2058.9 Ā± 0.8 Ma, Buick et al., 2001), the Lebowa Granite (2054 Ā± 2 Ma; Walraven and Hattingh, 1993) |  | | Journal (article/letter/editorial) | | Complex, South Africa R.N. Scoon Department of Geology, Rhodes University, Grahamstown 6140, South Africa...Geology, Rhodes University, Grahamstown 6140, South Africa Department of Earth, Environmental and Planetary...Operations South Africa, Rustenburg, South Africa Ā© 2017 June Geological Society of South Africa Abstract...Abstract The 2055 Ma Bushveld Complex, South Africa, is well known for the occurrence of discordant bodies...core-zone of massive Fe-Ti oxides was the last SOUTH AFRICAN JOURNAL OF GEOLOGY 2017 ā¢ VOLUME 120.2 PAGE |  | 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) | | Mafic-Ultramafic Rocks of the Bushveld Complex, South Africa Judith A Kinnaird,1,2,ā 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...are lacking, except in one core from the extreme south of the project. There are two PGE-Cu-Ni-Au mineralized...northosite sequence and the Upper zone. In the south, the T zone is ~30 m thick but increases northward |  | | Journal (article/letter/editorial) | | Shango Solutions, P.O. Box 2591, Cresta 2118, South Africa the ferroan lavas indicate formation by fractional...originally comprised a melt sheet at least 350 km northāsouth by more than 650 km eastāwest. Overlying the RLS...Rooiberg Group, the Rashoop Granophyre Suite, and Lebowa Granite Suite. The occurrences of these rocks are...km3 (Twist and French 1983), while that of the Lebowa granites is &205,000 km3 (Hill et al. 1996). Together...(1997), who pointed to the synchronicity of the Lebowa Granite Suite with the Rooiberg rhyolites and Rashoop |  | | Journal (article/letter/editorial) | | Pretoria, Pretoria 0002, South Africa 2 CSIR, P.O. Box 395, Pretoria 0001, South Africa Received: 6 May 1994/Accepted:...lavas of the Rooiberg Group and granites of the Lebowa Granite Suite) have shown evidence of open-system...magmas which formed the sheeted granite of the Lebowa Granite Suite (LGS). Several isotopic studies on...Current address: P.O. Box 363, Kleinsee 8282, South Africa Stratigraphic relationships between the Rooiberg...Group can represent the volcanic equivalent of the Lebowa Granites. Significant compositional differences |  | GĆ¼nther, 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) | | Rooiberg lavas, Bushveld Large Igneous Province, South Africa T. GĆ¼nther1 Ā· K. M. Haase1 Ā· R. Klemd1 Ā· C...2013). The Bushveld Magmatic Province (BMP) in South Africa is composed of the Earthās largest layered intrusion...by the layered mafic-/ultramafic intrusion. The local separation of different units from the Rooiberg...Bushveld Magmatic Province (BMP) in northern South Africa (Fig. 1) encompasses an estimated volume of...and Cawthorn 1996). The RLS is overlain by the Lebowa Granite Suite (LGS), a large sheet-like granitic |  | Rajesh, H.M., Chisonga, B.C., Shindo, K., Beukes, N.J., Armstrong, R.A. (2013) Petrographic, geochemical and SHRIMP UāPb titanite age characterization of the Thabazimbi mafic sills: Extended time frame and a unifying petrogenetic model for the Bushveld Large Igneous Province. Precambrian Research, 230. 79-102 doi:10.1016/j.precamres.2013.02.002 | Journal (article/letter/editorial) | | 2006, South Africa CAE Mining Africa, 9 Fricker Road, Illovo Boulevard, Illovo 2196, South Africa c Research...modiļ¬ed from the 1:1,000,000 geology map of South Africa, including information from Bisschoff (1972)...(2006) and Rasmussen et al. (2007) to the south and south-west of the Bushveld Complex proper, Zeh et...Inset is a TM742 (as RGB) compilation for southern Africa showing the location of Bushveld large igneous...055ā2.053 Ga Rashoop granophyre suite and 2.054 Ga Lebowa granite suite; Coertze et al., 1978; Walraven, |  | | Journal (article/letter/editorial) | | plg+cpx+pig+role opx+ cpx+plg mtā¢e pig+ cpx + pig mt._ā¢e Lebowa Granite Suite opx * cpx+p{c] Merensky Reef ...rocksisparticularlywell exposedin the areabetween Stoffbergand Burgersfort(Fig. 1). The plethoraof marginal rocks and genetically...exceeds 600 m diameter and is 70 to 100 m thick. Burgersfort(Fig. 1). Its centeris occupiedby layered Both...olivine, easterncontactof the complex,northof Burgersfort orthopyroxene, andthe bulk rockare in equilibrium...Gorton, unpub. data). All maximum development in the south (Buchanan, peridotite sills have considerablygreater |  | | Journal (article/letter/editorial) | | ZONE OF THE BUSHVELD COMPLEX AT ROOSSENEKAL, SOUTH AFRICA: GEOCHEMICAL STRATIGRAPHY AND EVIDENCE OF MULTIPLE...Geology, Rhodes University, Grahamstown 6140, South Africa e-mail: rnscoon@iafrica.com A.A. MITCHELL School...4000, South Africa e-mail: mitchaa@mweb.co.za Ā© 2012 December Geological Society of South Africa ABSTRACT...in the eastern limb of the Bushveld Complex, South Africa, provides complete coverage of what is probably...of magma. Introduction The Bushveld Complex, South Africa, which has been dated at 2.055 Ga (Scoates and |  | Buchanan, P., Reimold, W., Koeberl, C., Kruger, F. (2002) Geochemistry of intermediate to siliceous volcanic rocks of the Rooiberg Group, Bushveld Magmatic Province, South Africa. Contributions to Mineralogy and Petrology, 144 (2) 131-143 doi:10.1007/s00410-002-0386-1 | Journal (article/letter/editorial) | | Rooiberg Group, Bushveld Magmatic Province, South Africa Received: 3 December 2001 / Accepted: 4 June...Witwatersrand, Private Bag 3, WITS 2050 Johannesburg, South Africa E-mail: buchanan@nipr.ac.jp C. Koeberl Institute...University of the Witwatersrand, Johannesburg, South Africa Present address: P.C. Buchanan Antarctic Meteorite...al. 1995), is located in the eastern part of South Africa (Fig. 1) and represents a voluminous (6-km...ultramaļ¬c phase of the intrusive Bushveld Complex. The Lebowa Granite Suite, the granitic phase of the Bushveld |  | 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) | | Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of...Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of...prepared by I. Goldberg of the Minerals Bureau of South Africa (retired) and by E.C.I. Hammerbeck, L.S. Labuschagne... and C. Rossouw of the Geological Survey of South Africa (GSSA). It was edited by David M. Sutphin and...------------------6. Proportions of total world mine production of vanadium accounted for by countries |  | | Journal (article/letter/editorial) | | University of Pretoria, Pretoria, 0002 Republic of South Africa E-mail: sadw@scientia.up.ac.za R.A. Armstrong...vicinity of Marble Hall, Mpumalanga Province, South Africa. A mesocratic variety gives a 207Pb/206Pb SHRIMP...the town of Marble Hall, Mpumalanga Province, South Africa. The diorite, showing a major-element composition...Layered Suite (RLS), predates the Nebo granite of the Lebowa Granite Suite (LGS) (De Waal, 1963). Consequently...medium- to coarse-grained red Nebo Granite of the Lebowa Granite Suite (Snyman, 1958; De Waal, 1963; 1969; |  | | Journal (article/letter/editorial) | | rhyolites and basalts from Southern Lebombo, South Africa: Implications for evolution of the Northern...SAEES, University of KwaZulu-Natal, Durban, South Africa 2 Planetary Sciences Division, Physical Research...Karoo Continental Flood Basalt (CFB), southern Africa, formed during a period of major crustal extension...SAEES, University of KwaZulu-Natal, Durban 4000, South Africa. Email: misras@ukzn.ac.za; misrasaumitra@ gmail...Funding information National Research Foundation, South Africa, Grant/Award Numbers: 91089, 120805 parent |  | | Book | | born hills appear parallel to Mahagiri range due to mine-waste dumping. Unpaved roads serve the movement...The sky is gloomy throughout the day due to the mine and road dust. Social evils, crime, alcoholism,...education, counseling, and training. Making stringent mine-safety rules is not the solutionāit has to be implemented...Bushveld chromiteāplatinum group metals (PGMs), South Africa, Sudbury nickelācopper, Canada, and a few new...occurrences/deposits/mines of six continents: Africa, North America, South America, Asia, Oceania (including Australia) |  | | Journal (article/letter/editorial) | | knoper@gmail.com Ā© 2005 Geological Society of South Africa ABSTRACT We present a large database of geophysical...of the Northern Lobe of the Bushveld Complex, South Africa. Magnetic susceptibilty readings were taken...attributed to the relative paucity in Bushveld of augite, which has a high fractionating power for Ca/Na...intrusion, and is the worldās largest repository of SOUTH AFRICAN JOURNAL OF GEOLOGY, 2005, VOLUME 108 PAGE...2054 Ā± 2 Ma, the age of crosscutting granitoids (Lebowa Suite, Walraven and Hattingh, 1993). The most precisely |  | Humbert, F., Elburg, M.A., Agangi, A., Belyanin, G., Akoh, J., Smith, A.J.B., Chou, Y-M., Beukes, N.J. (2020) A ~1.4 Ga alkaline mafic sill from the Carletonville area: connection to the Pilanesberg Alkaline Province?. South African Journal of Geology, 123 (4). 597-614 doi:10.25131/sajg.123.0039 | Journal (article/letter/editorial) | | Box 524, Auckland Park 2006, Johannesburg, South Africa Shenzhen Key Laboratory of Marine Archaea Geo-Omics... Box 524, Auckland Park 2006, Johannesburg, South Africa e-mail: marlinae@uj.ac.za A. Agangi DSI-NRF... Box 524, Auckland Park 2006, Johannesburg, South Africa Department of Earth Resource Science, Akita... Box 524, Auckland Park 2006, Johannesburg, South Africa e-mail: gabelyanin@uj.ac.za; julieta@uj.ac.za;...Johannesburg, South Africa e-mail: nbeukes@uj.ac.za Ā© 2020 Geological Society of South Africa. All rights |  | | 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 |  | | Journal (article/letter/editorial) | | Rustenburg Layered Suite, Northam Platinum Mine, South Africa D. L. R EID* AND I. J. BASSON Department...of Cape Town, Private Bag Rondebosch, 7700, South Africa ABSTR ACT Discordant veins, pipes and occasionally...replace the Merensky Reef footwall at Northam Platinum Mine, situated in the Swartklip Facies of the western...Rustenberg Layered Suite, Bushveld Complex, South Africa. Introduction THE presence of iron-rich ultramaĀ...Platinum Mine (Fig. 1). Geological setting This report follows the local geological community in South Africa |  | | Journal (article/letter/editorial) | | Reef at Rustenburg (western Bushveld Complex, South Africa) ALEXANDER KAWOHL1,* AND HARTWIG E. FRIMMEL1...Sciences, University of Cape Town, Rondebosch 7700, South Africa [Received 30 July 2015; Accepted 4 November...Reef from Frank Shaft No.1 at Rustenburg Platinum Mine revealed the presence of a Pt-Fe-alloy, probably...platinum-group element (PGE)-Ni-Cu ore body in South Africaās world famous Bushveld Igneous Complex averages...Bushveld Complex, the PGM assemblages are, even at a local scale, highly variable. Information about the precious |  | | Book | | 1. Mafic dyke swarms in the Kaapvaal Craton, South Africa 189 3.4.2. The Mackenzie dyke swarm, Canada...controls of intracontinental alkaline magmatism in Africa 194 3.5.2. The Damaraland alkaline province, Namibia...intraplate magmatism around the Vredefort Dome, South Africa 6.3.4. Metamorphism and fluid generation; metamorphogenic...Bushveld lgneous Complex, South Africa 8.2.3. Molopo Farms Complex, South Africa and Botswana 8.3 Magmatic...ofthe Damara and Irumide orogens, Soutbwestern Africa, and the Mid Continent Rift System, USA 9.3.1. |  | Yudovskaya, M. A., Kinnaird, J. A., Udachina, L. V., Distler, V. V., Kuzāmin, D. V. (2014) Role of magmatic and fluid concentrating in formation of platinum mineralization in the Lower Zone and Platreef as follows from composition of phlogopite, cumulus silicates, and sulfide melt, the northern limb of Bushveld Complex. Geology of Ore Deposits, 56 (6) 451-478 doi:10.1134/s1075701514060063 | Journal (article/letter/editorial) | | the Witwatersrand, 2050 Wits, Johannesburg, South Africa c Sobolev Institute of Geology and Mineralogy...forming its roof, the Rustenburg Layered Suite, the Lebowa Granite Suite, and the Rashoop Granophyre Suite...(1) Waterberg Group; (2) alkaline intrusion; (3) Lebowa Granite; (4) Rashoop Granophyre; (5) Rustenburg...distinct correlation between PGE and sulfides, and the local ization of reefs at the bases of cyclic units,...increases in the opposite direction, toward the south and the west (Fig. 1). One of the thickest sections |  | | Journal (article/letter/editorial) | | intrusions, such as the Bushveld Complex of South Africa and the Stillwater Complex of Montana (USA)...Butcher 1990; Mathez et al. 1994) of Lebowa Platinum Mines. The Atok mine is in the northeast corner of the...the Mercnsky reef as exposed on a wall in the Atok mine. In this wall and elsewhere chromitite typically...collected underground during detailed mapping of mine stope faces or recovered from logged drill core...compositions could have other causes as well, for example, local variations in the proportions of melt and vapor |
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