 | | 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...reason of the great diversity and magnitude of South African mineral deposits and local mining operations...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; |  | | Report (issue) | | views of the famous Mesoarchean Witwatersrand Supergroup in South Africa that contains Earthâs largest...Atmospheric Evolution 6. The sedimentary setting of Witwatersrand placer mineral deposits in an Archean atmosphere.........................105 W.E.L. Minter 7. Witwatersrand gold-pyrite-uraninite deposits do not support...glacier-associated sediments of the Neoproterozoic of south China: Oceanic anoxia or sulfate limitation? .....4-billion-year-old biogenic pyrites from Barberton, South Africa: Sulfur isotope evidence: Science, v. 262, p |  | | Book | | Corporation of South Africa, the Chair of Economic Geology at Rhodes University, South Africa, and since...appointments at the Astrobiology Centre, University of New South Wales, Sydney, and the China University of Geosciences...which has included work in Europe, southern Africa, South East Asia, New Zealand, the southwest Pacific...Felsic Phase of the Bushveld Igneous Complex, South Africa . . . . . . . . . . . 4.3.6 The Sn-W Deposits.... . . . . . . . 4.4.4 Sabie-Pilgrimâs Rest, South Africa . . . . . . . . . . . . . . . . . 4.4.5 Capricorn |  | | Book | | and uranium is an important by-product of many South African gold ores. The properties of a mineral govern...occur along a 2400 km belt from Queensland to New South Wales. Most have quartz fillings and some are mineralized...copper-bearing breccia pipes of Messina in South Africa (Jacobsen & McCarthy 1976). Fig. 2.6. Plan...mining areas of the beach sand deposits of Crowdy South Wales, Australia. (After Winward 1975.) 15 concordant...is won from Precambrian deposits of this type in South Ne Fig. 2.14. \ Distribution of pay-streaks |  | | Book (edition) | | critical in the USA, but in the Republic of South Africa (RSA), a major source of all three, they are...and uranium is an important by-product of many South African gold ores. Among industrial minerals the...develop the 450+ Mt eu-U-Au Roxby Downs Project in South Australia, Western Mining Corporation and British...Australia, along a 2400 km belt from Queensland to New South Wales, there are hundreds ofpipes in and close to...the copper-bearing breccia pipes of Messina in South Africa (Jacobsen & McCarthy 1976). Mantos and pipes |  | | Book | | LE CONGLOMERATE AND QUARTZITE TYPE 335 The Witwatersrand / 336 14-1 GREGORY,J. W: The Origin of Gold...14-4 MELLOR, E. T.: The Conglomerates of the Witwatersrand / 373 Inst. Mining and Metallurgy Trans. 25:261-291...Origin of Gold and Radioactive Minerals in the Witwatersrand System, the Dominion Reef, the Ventersdorp Contact...Contact Reef and the Black Reef / 404 Geol. Soc. South Africa Trans. 58:218-222 (1955) 14-6 PRETORIUS, D.... A.: The Depositional Environment of the Witwatersrand Goldfields: A Chronological Review of the Speculations |  | | Book | | Eastern Goldfields, Western. Australia Barberton, South Africa Eastern Goldfields, Western Australia Manitoba... Large layered complexes Bushveld Complex, South Africa Stillwater Complex, USA Great Dyke, Zimbabwe...Skaergaard, Greenland 4. Kimberlites Kimberly, South Africa B, Intrusions in cratonic areas Diamond C...Bushveld, South Africa Great Dyke, Zimbabwe Sudbury, canada Bushveld, South Africa Bushveld, South Africa...Australia Pechanga, Russia Diamond Kimberly, South Africa Yakutia, Russia Kimber lites Carbonatite complexes |  | | Book (edition) | | Meredith (eds) Geology and minerals resources of West Africa J.B. Wright The inaccessible Earth G. C. Brown...example, the common black flint from the Chalk of the South of England). This condition is very common among...on to the equatorial plane by joining it to the 'south pole' (bottom point) of the enclosing sphere , or...between the vertical line joining the north and south ' poles' of the sphere and the pole to a particular...resolves light into components vibrating in a north-south direction. The two componen_ts interfere on leaving |  | | Book | | water resources in and around Johannesburg (South Africa). . . . . . . . . . . . . . . . Frank Winde...of the underground mine workings of the old Witwatersrand gold/uranium mining areas: acid mine drainage...the mining footprint? Case studies within the Witwatersrand goldïŹelds . . . . . . . . . . . . . . . . ....project in the Wonderfonteinspruit Catchment, South Africa . . . . . . . . . Lindsay Fyffe, Henk Coetzee...intensive exploration, when the Geological Survey of South Africa examined the Rössing area for the occurrence |  | | Book | | images' of each other Left: Cerussite from South- West Africa, forming multiple intergrowths Far left:...platinum deposits of the famous Merensky Reef in South Africa occur in accumulations of this kind. Phenocrysts...been found in such areas as the chalk downs of southÂŹ ern and eastern England. Modem man still uses rocks...average figure. For instance, in the Witwatersrand goldfield of South Africa, gold exists in a concentration...the rich copper, lead and zinc deposits of South-West Africa has concentration factors of a thousand times |  | | Book (edition) | | of Geology and Mineralogy University of the Witwatersrand University of California University of Oxford...variation in volcanic rocks from Tristan da Cunha, South Atlantic. Note the steady rise of silica and alkalis...(named after the diamond 200 mining area of South Africa). The nodules are mainly olivine-rich and contain...the metamorphism. However, Barrow's zones of the south-eastern Highlands represent a specific geological...of the Scottish The rocks Highlands. to the south-east of the Highland Boundary Fault are unmetamorphosed |  | | Book | | in the Precambrian of South Africa and Ghana. It is important in South Africa as the | source of the...the gold in the Witwatersrand goldfield, where the inâm dividual beds of banket are referred to as âreefsâ... A stratigraphic stage name for the top of the South African Middle > Karroo. Beaumont, Elie de (1798â1874)...la (1796-1855). English geologist whose work in south-west England was the first in the world to be governmentsupported...maximum in the Middle " Ordovician, whereas further south, in the Southern Uplands, it iS Calllovian ââââ |  | | Book | | talc vug in 1997, is 1.7 cm long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals...Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely characterized...sharp, snow-white, earthy rosettes of tabular "illite" pseudocrystals to 2 cm which are pseudomorphs...which they called the Bentley Lake Road occurrence, south of Bancroft. Sharp, flattened rhombohedral ilmenite...Girardville, itself 40 km northwest of Lac Saint-Jean in south-central Quebec, very large and sharp ilmenite Cl) |
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