 | | Journal (article/letter/editorial) | | JanuaryFebruary: Rhodochrosite, N’Chwaning mine, Hotazel, South Africa. Martin Zinn specimens, Erica and Harold Van...“Alaskaite,” Colorado, 307 Albite, California, 160; Witwatersrand, 395 Allanite-(Ce), California, 162 Allophane...Colorado, 308; New Mexico, 385; Utah, 244; Witwatersrand, 395 Barite from the Cedar Creek Anticline,...from the Carletonville Gold Mines, Witwatersrand Goldfield, South Africa, 390-99 Calcite, Colorado, 309;...253; Michigan, 342; Missouri, 227; Utah, 244; Witwatersrand, 398 California, tourmaline, 156-68 Carl Bentley |  | | Journal (article/letter/editorial) | | and Gold in the Basal Reef of the Witwatersrand System, South Africa R. SAAGER D e p a r t m e n t of...o l o g y , University of the Witwatersrand, Johannesburg, South Africa Ag/Au ratios of individual gold...horizon of the Upper Witwatersrand System in the Orange Free State Goldfield (South Africa) are discussed....in streams which eventually drained into the Witwatersrand basin. Further redistribution of the silver...homogenized during the metamorphic period of the Witwatersrand System, when pseudohydrothermal transport and |  | | Journal (issue) | | Twenty-three, Number Three ® Articles Gold in South Africa ..............................................Record, ,·olume 23 , Ma.,·-June. 1992 GOLD IN SOUTH AFRICA Bruce Cairncross Department of Geology Rand...Afrikaans University P.O. Box 524 Johannesburg 2000 South Africa Carl R. Anhaeusser Economic Geology Research...the Witwatersrand P.O. Wits 2050 Johannesburg South Africa Gold has been mined in South Africa for over...has been won from conglomerate reefs of the Witwatersrand goldfields, where production from individual |  | | Journal (article/letter/editorial) | | inclusions of freibergite, argentite, polybasite, proustite, pyrargyrite and stephanite. Barite and sulfides...The geology of the Rosas -Terreseo area, ~ulcls, South Sardinia. Leidse Geol. Med. 35:117-208 (1966) Salvadori...the centenary of the discovery of the Witwatersrand Goldfield. Persons wishing to attend the congress...Box 395, Pretoria, Republic of South Africa 0001 International South European Symposium on Exploration | | | Journal (issue) | | Mowry Place Tucson, AZ 85741 Articles Gold in South Africa ..............................................Afrikaans University P.O. Box 524 Johannesburg 2000 South Africa Carl R. Anhaeusser Economic Geology Research...O. Wits 2050 Johannesburg South Africa Gold has been mined in South Africa fo r over a century. Most...has been won from conglomerate reefs o f the Witwatersrand goldfields, where production from individual...INTRODUCTION Gold was mined in pre-European times in South Africa by the indigenous tribes. Most of the gold was |  | | Journal (issue) | | Tourmaline with Cleavelandite N Chwaning I Mine, South Africa Stak Nala, Pakistan 10.0 x 6.0 x 3.6cm 4.4 x...Arrows point to a large mineralized pocket in the south end of the Auglaize quarry’s eastern highwall (2018)...southeast of the original quarry entrance (on the south side of the current access road), occasional exposures...contrast, current blasting, now mainly along the south wall, tends to The Mineralogical Record, volume...pocket was found near the overburden slope on the south side of the entry road near the right turn into |  | | 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 | | 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...cinnabar, stibnite, native silver, pyrargyrite and proustite. Gangue minerals include quartz, often in the...been found in such areas as the chalk downs of south¬ 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 |  | | Book | | CONGLOMERATES OF THE WITWATERSRAND.......... F. H. Hatch.. Development of the Witwatersrand .....°-......-..........0-+.0+-Stratigraphy of the Witwatersrand: The Witwatersrand system............... “ga sida ee...ascitic 2 < sic suis dive eels ne « ects North-South No. 7 Vein; 90-Ft. Level; 12 Inches Wide; Kerr Lake...se)sv30 4 obs) cis saree Ideal Section of Bendigo Goldfield, Showing the Three Main Lodes..... Secon smo niCwan...Opposite Section by F. H. Hatch Across the Witwatersrand Beds.............. Double Outerop of the Main |  | | 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 (edition) | | mining companies took him to the Far East, South and East Africa, North America, and most of the countries...fields, chiefly from the Congo Republic, Ghana, South Africa, and Sierra Leone. For the five-year period...000; 1,600,000; South Africa, 2,900,000; Sierra Angola, 1,300,000; South West Africa, 920,000; Tanganyika...metric carats. (b) by value: South West Africa, £16,500,000 sterling ; South Africa, £16,100,000; Congo Republic... 45 Congo Republic South Africa Sierra Leone Angola YJ), south West Africa WY, Tanganyika Y, Ivory |  | | Book | | talc vug in 1997, is 1.7 cm long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals...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)...the town of Amsteg, subordinate drainages running south to Val Caverdiras; ilmenite rose-bearing clefts...western flank of the Tschingelstock, a few kilometers south of the uppermost Maderanertal and near the Brunnital |  | | 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 |  | | Journal (volume) | | Explosives on Rand 310 Africa, South, Educational Probleins in 1.58 Africa, South, Output of Metals and...227 Anaconda, Flotation Tests at 67 Anaconda in South America {m.d.) .... 228 Anaconda. Remodelled Concentrator...Shareholders Hill Proprietarv's Shell Steel . Hill South Hill South Developments Hill Strike Broomassie • Studies...Diamond Market, Recovery in Diamond Mining in South Africa 303, 308 Draper and Goodchild {m.d.) .... 350...350 Diamond, Origin of 4 Diamond Production in South Africa 185 Diamonds, Export Tax on Diamonds in Rand |  | Fuerstenau, Maruice C., Palmer, Bruce R. - Eds. (1983) Gold, Silver, Uranium, and Coal - Geology, Mining, Extraction and the Environment. The American Institute of Mining, Metallurgical and Petroleum Engineers, Inc., New York. | Book | | Metallurgical Engineering South Dakota School of Mines and Technology Rapid City, South Dakota Bruce R. Palmer...Professor of Metallurgy South Dakota School of Mines and Technology Rapid City, South Dakota Published by...Uranium, and Coal” was convened in Rapid City, South Dakota on September 18-20, 1980. The Black Hills...assistance with the photographic work. Rapid City, South Dakota October 1, 1982 Maurice C. Fuerstenau Bruce...Chairman M.C. Fuerstenau South Dakota School of Mines and Technology Rapid City, South Dakota GS =4 Pieteay* |  | | Journal (volume) | | Operations of Consolidated Gold Fields of South 881 Africa 747 American Mining Congress Editorial. 752...mine-rescue contest. . . . Fires in mines of the South-West . . 114 263 Editorial. ... Editorial....of Mankind, book review 823 Benjamin White. . Goldfield . . . . . . . . . . . . . . . ...metallurgy Hines, P. R History of mine-fires in the South-West at Trail. .155, Charles A. Mitke. Hoisting...Chuquicamata Editorial .... Pires .155, Fires in the South-West. .Charles A. Mitke Locomotive headlight with |
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