 | | 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) | | hortonolitedunites, and dunite-bronzitites from the Onverwacht,Mooihoek,and Driekoppipesrevealedthe presenceof... mineralsof the pipes. the three dunRe pipes,Onverwacht,Mooihoek,and The unique geologicalpositionof...the Introduction ton Pt were encountered at Onverwacht and annual productionfrom the three pipeswason...pipeswason the order of 15,000 ozs. Driekop was the last mine to ceaseoperationsin 1961. The disappearanceof these...connection"implied magmaticassociation, it also, The pipesof Onverwacht,Mooihoek,and Driekop and even better, fits the |  | Otto, A., Dziggel, A., Kisters, A. F. M., Meyer, F. M. (2007) The New Consort Gold Mine, Barberton greenstone belt, South Africa: orogenic gold mineralization in a condensed metamorphic profile. Mineralium Deposita, 42 (7) 715-735 doi:10.1007/s00126-007-0135-5 | Journal (article/letter/editorial) | | ARTICLE The New Consort Gold Mine, Barberton greenstone belt, South Africa: orogenic gold mineralization...Consort Gold Mine in the Palaeo- to Mesoarchaean Barberton greenstone belt, South Africa is one of the...ultramafic volcanic rocks of the c. 3,280 Ma Onverwacht Group and the mainly metasedimentary rocks of...facies grades (600– 700°C, 6–8 kbar) in the basal Onverwacht Group. Detailed structural and petrological investigations...Private Bag X1, Matieland, 7602 Stellenbosch, South Africa mineralization can be distinguished. Loellingite |  | | Journal (article/letter/editorial) | | pyroxene from a diopside-augite to a member of the hedenbergite-clinoferrosilite solid solution series.2 Hypersthene...clinoenstatite, clinoferrosilite, diopside and hedenbergite: Min. Mag., vol 25, PP. 15-22, 1938' 18 OLIVINES...to [001].,This olivine is comparable with the Onverwacht hortonolite? from the Bushveld Complex in which...7 Wagner, P. A., Platinum Deposits and Mines of South /,J:rica:Lontlon, pp. 55-59, 1929. EWagner, P. A...equilibrium with a monoclinic pyroxene of the hedenbergite-clinoferrosilite solid solution series, close |  | DZIGGEL, A., KNIPFER, S., KISTERS, A.F.M., MEYER, F.M. (2006) P-T and structural evolution during exhumation of high-T, medium-P basement rocks in the Barberton Mountain Land, South Africa. Journal of Metamorphic Geology, 24 (7) 535-551 doi:10.1111/j.1525-1314.2006.00653.x | Journal (article/letter/editorial) | | basement rocks in the Barberton Mountain Land, South Africa A . D Z I G G E L ,1 S . K N I P F E R ,1 A...Stellenbosch, Private Bag X1, Matieland 7602, South Africa ABSTRACT The P–T evolution of amphibolite...Paleo to MesoArchean Barberton greenstone belt, South Africa, has been reconstructed via detailed structural...c. 3550–3100 Ma Barberton greenstone belt in South Africa is generally considered to be a remnant of an...shows location of the greenstone belt in southern Africa. Terrane is flanked by high-grade gneisses and |  | Kato, Daichi, Aoki, Kazumasa, Komiya, Tsuyoshi, Yamamoto, Shinji, Sawaki, Yusuke, Asanuma, Hisashi, Sato, Tomohiko, Tsuchiya, Yuta, Shozugawa, Katsumi, Matsuo, Motoyuki, Windley, Brian F. (2018) Constraints on the P–T conditions of high-pressure metamorphic rocks from the Inyoni shear zone in the mid-Archean Barberton Greenstone Belt, South Africa. Precambrian Research, 315. 1-18 doi:10.1016/j.precamres.2018.06.018 | Journal (article/letter/editorial) | | in the mid-Archean Barberton Greenstone Belt, South Africa Daichi Kato, Kazumasa Aoki, Tsuyoshi Komiya...in the mid-Archean Barberton Greenstone Belt, South Africa, Precambrian Research (2018), doi: https://doi...in the mid-Archean Barberton Greenstone Belt, South Africa Daichi Kato1, Kazumasa Aoki1*, Tsuyoshi Komiya2...mid-Archean Barberton Greenstone Belt (BGB), South Africa were examined with petrological and thermodynamic...Greenland; Labrador, Canada; and Barberton, South Africa, are generally considered to be higher than |  | | Book | | APPRECIATION R. M. Shackleton THE STRUCTURAL FRAMEWORK OF AFRICA Xi 1 T. N. Clifford ARCHAEAN VULCANICITY AND...KIBARIDE AND KATANGIDE OROGENIC BELTS OF CENTRAL AFRICA 97 L. Cahen OROGENIC AND POST-OROGENIC PLUTONISM...SOUTHERN AFRICA 157 O. Von Knorring LATE PALAEOZOIC TO RECENT IGNEOUS ACTIVITY IN WEST AFRICA AND ITS...CONTENTS 12 VULCANICITY AND RirT TECTONICS IN EAST AFRICA B. C. King 13 TECTONIC AND MAGMATIC EVOLUTION...OF DYKES AND RELATED IRRUPTIVE ROCKS IN EASTERN AFRICA 337 \ J. R. Vail 17 GEOCHEMICAL VARIATIONS IN |  | | Journal (article/letter/editorial) | | diamonds from the Klipspringer kimberlites, South Africa K.J. Westerlund Department of Geological Sciences...of Cape Town, Private Bag, Rondebosch 7701, South Africa e-mail: kjw@geology.uct.ac.za J.J. Gurney Department...Rondebosch 7701, South Africa e-mail: jjg@geology.uct.ac.za © 2004 Geological Society of South Africa ABSTRACT...positive and negative S isotope excursions of their SOUTH AFRICAN JOURNAL OF GEOLOGY, 2004, VOLUME 107, PAGE...Klipspringer kimberlites are located south of the southern margin of the Limpopo mobile belt and close to the |  | | Book | | Archaean Geology of the Kaapvaal Craton, Southern Africa Regional Geology Reviews Series editors Roland... Nelson Mandela University, Port Elizabeth, South Africa François M. Roure, Rueil-Malmaison, France ...Archaean Geology of the Kaapvaal Craton, Southern Africa 123 Editors Alfred Kröner Institut für Geowissenschaften...Geology University of Johannesburg Auckland Park, South Africa ISSN 2364-6438 ISSN 2364-6446 (electronic)...continued interest. The Kaapvaal Craton of Southern Africa is featuring prominently in early Earth studies |  | Dziggel, A, Stevens, G, Poujol, M, Anhaeusser, C.R, Armstrong, R.A (2002) Metamorphism of the granite–greenstone terrane south of the Barberton greenstone belt, South Africa: an insight into the tectono-thermal evolution of the ‘lower’ portions of the Onverwacht Group. Precambrian Research, 114 (3) 221-247 doi:10.1016/s0301-9268(01)00225-x | Journal (article/letter/editorial) | | granite–greenstone terrane south of the Barberton greenstone belt, South Africa: an insight into the tectono-thermal...tectono-thermal evolution of the ‘lower’ portions of the Onverwacht Group A. Dziggel a,*, G. Stevens b, M. Poujol...Witwatersrand, Pri6ate Bag 3, PO Wits 2050 Johannesburg, South Africa b Department of Geology, Uni6ersity of Stellenbosch...Stellenbosch, Matieland, 7602 Stellenbosch, South Africa c Economic Geology Research Institute/Hugh Allsopp...Laboratory, Pri6ate Bag 3, PO Wits 2050 Johannesburg, South Africa d Research School of Earth Science, Australian |  | | Journal (article/letter/editorial) | | den Berg S. Whitfield M. Wilson M. J. U.S.A. SOUTH AFRICA Erlank A. J. Vogel J. C. SPAIN Albaiges J. SWEDEN...ex~~rnent~ study of Nb and Ta pa~itioning between Z-rich mine& silicate liquids at high pressure and temperature...RENEEH. BREWSTER: Geochemistry and evolution of the South Platte gmnitepegmatite system, Jefferson County...unite-satire system: Hamey Peak Granite, Black Hills, South Dakota 473 J. R. ROCKHOLD, P. I. NABELEK and M...Peak satellite pluton of the Hamey Peak Granite, South Dakota: The role of boron 4x7 MAMORUMURATAand TETSUMARU |  | | Journal (article/letter/editorial) | | than 2.8 Ga are very limited. Such data from the Onverwacht, Sebakwian, Warrawoona and Holenarasipur groups...high-alumina rocks have been reported from the Onverwacht group of Barberton Mountainland and a few high-grade...conglomerate (Talya) Meta-ultramafites and metabasites Hedenbergite--hypersthene--grunerite--actinolite--magnetite--quartz...L o w e r O n v e r w a c b t Group, S o u t h Africa (Viljoen and Viljoen, 1969); (4) S e b a k w i...O U P High,alumina sediments are best exposed south of the Hemavatl River (Fig. 1). They are medium- |  | | Journal (issue) | | Twenty-three, Number Three ® Articles Gold in South Africa ..............................................Cairncross & C. R. Anhaeusser Minerals of the Linwood mine, Scott County, Iowa ............. 231 by P. L. Garvin...and this must have introduced him to many other local mineral collectors and possibilities for further...of this typically natrolite covered material for local dealers as well as himself. He used much of this...in the still open underground workings of the Gem mine. He encountered an open pocket containing well formed |  | | Report (issue) | | Magnesiosussexite, a new mineral from a Michigan iron mine, isomorphous sussexite and camsellite: Am. Mineralogist...Hedge Ca-amphibole paragenesis in the Shirataki district, central Shikoku, Japan PO Setar eee ie ee ae...earth’s surface. Specifically: Column 1. The Onverwacht lavas are the basal exposed sequence in...in the Barberton Mountain land of southeastern Africa. They consist of pillow and nonpillow lavas overlain...of the link between the Antarctic Peninsula and South America, appears to be in an early stage of island |  | | Journal (article/letter/editorial) | | Alkaline Intrusive Rocks from Bitterfontein, South Africa J.R. McIver Department of Geology, University...University of the Witwatersrand, Johannesburg, South Africa Abstract. Cretaceous alkaline intrusive rocks present...intrusives occurring in a broad zone parallel to the south western African coastal regions. This paper presents...(Jansen 1960) from the area around Bitterfontein, South Africa (Fig. 1). These rocks are spatially associated...zone parallel to the western coasts of South and South West Africa (Fig. 1). The alkaline suite includes |  | | Journal (volume) | | The 3 .5 Ga Barberton Greenstone Succession, South Africa: Implications for Modelling the Evolution of...Metallogeny of the Northeastern Kibaran Belt, Central Africa: W. Pohl ........................................................ 251 Mineralized Pegmatites in Africa : 0. von Knorring and E. Condliffe .. 253 Nigerian...in the Western Mediterranean Compared with West Africa : B. Bonin, B. Platevoet and Y. Vialette .... ...Post - Hercynian Tectonics in Northern and Western Africa: R. Guiraud, Y. Bellion, J. Benkheli l an d C. | | | Journal (issue) | | Mowry Place Tucson, AZ 85741 Articles Gold in South Africa ..............................................Cairncross & C. R. Anhaeusser Minerals of the Linwood mine, Scott County,Iowa ..................... 231 by...and this must have introduced him to many other local mineral collectors and pos sibilities for further...of this typically natrolite covered material for local dealers as well as himself. He used much of this...in the still open underground workings of the Gem mine. He encountered an open pocket containing well formed |  | | Journal (article/letter/editorial) | | Australia), the Mendon formation (3.29 Ga, South Africa) and the Dresser formation (3.48 Ga, Australia)...Gunflint iron formation is located in the Thunder Bay district of northwestern Ontario in Canada. This formation...formation (3.29 Ga, South Africa) The Mendon formation is a member of the Onverwacht group, which belongs...Barberton Greenstone belt, located in South Africa. The Onverwacht Group has been dated by U–Pb on zircons...O and Si of 3/1 in cherts from the Onverwacht group (South Africa). The close to 1/1 range found at micrometer |  | | Book (edition) | | Meta/lurgical and Mineralogical Society o/ South Africa Journal of Chemical Phy ics Journal cif the...and Proceedings of the Royal Socief) 1 of Ne,v South Wales JPSJ Journal of rhe Physical Society of...Cand CSPG Pennskiye gubemskiye wdomo.sti (Perm district ga=elle) Pl,ilosopl,ical Maga=ine Periodico de...Abernathyitc, K[(UO 2 )(AsO,)](HP) 3, tet., Fumerole No. 2 mine, Temple Mountain. on the southeast flank of the...104(3). 326-328 □ Achavnlitc, FcSe, hex .. Cacheuta Mine. Ccrro de Cacheuta. Sierra de Cacheuta. Mcndoza |  | | Journal (article/letter/editorial) | | forms part of the Barberton greenstone belt in South Africa. These rocks have high levels of MgO (over 9%)...the Hays River region); they also were found in Africa in the Hartley greenstone belt in Southern Rhodesia...the greenstone-belt rocks in Canada, Australia, Africa, and the USSR, including those around the Pechenga...line bounds the Bol'shiye Sal'nyye tundras to the south and east, and this runs roughly along the boundary...from the diopside- hedenbergite series that contains 10 mol. % of the hedenbergite component (10-25% by |  | | Book | | Stellenbosch, Private Bag X 01, Matieland 7602, South Africa V.C. BENNETT Research School of Earth Sciences...KwaZulu-Natal, Private Bag X 54001, 4000 Durban, South Africa (hofmann@ukzn.ac.za) K. HORIE Department of...Stellenbosch, Private Bag X 01, Matieland 7602, South Africa (kisters@sun.ac.za) T. KOMIYA Department of...Stellenbosch, Private Bag X 01, Matieland 7602, South Africa (jfmoyen@wanadoo.fr) P.A. MUELLER Department...Stellenbosch, Private Bag X 01, Matieland 7602, South Africa R.K. STEVENSON GÉOTOP-UQÀM-McGill and Département |  | | Book | | Stellenbosch, Private Bag X 01, Matieland 7602, South Africa V.C. BENNETT Research School of Earth Sciences...KwaZulu-Natal, Private Bag X 54001, 4000 Durban, South Africa (hofmann@ukzn.ac.za) K. HORIE Department of...Stellenbosch, Private Bag X 01, Matieland 7602, South Africa (kisters@sun.ac.za) T. KOMIYA Department of...Stellenbosch, Private Bag X 01, Matieland 7602, South Africa (jfmoyen@wanadoo.fr) P.A. MUELLER Department...Stellenbosch, Private Bag X 01, Matieland 7602, South Africa R.K. STEVENSON GÉOTOP-UQÀM-McGill and Département |  | | Book (edition) | | deposit and as ore mineral in another (e.g., hedenbergite), b) its meaning may shift over time - sphalerite... Garnet lamellar Siderite polysynthetic Hedenbergite contact twins spinel law Anhydrite Galaxite... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co., New South Wales, Australia;...vein in jasper (red internal reflections); Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey |  | | Book | | Southern Idaho, northern Utah and Nevada Black Hills, South Dakota Southern Wyoming and northern Colorado Stillwater...basic rocks of Africa HS. SMITH 16.4 Introduction Distribution of Archaean rocks in Africa North and West...West Africa 16.3.1 Uweinat Inlier 16.3.2 Reguibat Rise 16.3.3 Guinea Rise 16.3.4 Greenstone belts of Sierra...Sierra Leone Equatorial Africa 16.4.1 Zaire granite—greenstone terrane 16.4.2 Tanzania granite—greenstone...Greenstone belts of Equatorial Africa CONTENTS 16.5 Southern Africa 16.5.1 Zimbabwe 16.5.2 Kaapvaal |  | | Book | | revised edition) 2 2 . N. DEKUN MINERAL ECONOMICS OF AFRICA 2 3 . B.L GULSON LEAD ISOTOPES IN MINERAL EXPLORATION...never be spoken. " P. A. WAGNER, The platinum South Africa deposits so be alluring prophesied and mines...converters to be fitted to new cars. At present, South Africa and the USSR are the sources of most of the...world's newly mined PGE, with virtually all the South African production derived from the Bushveld Complex...magmatic sulphides as potent collectors of PGE. The South African producers are relatively well placed t o |
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