 | | Report (issue) | | _______ _ Sudbury district _______________________ ~ Discovery and present mining _______ _ General geology...lacers-------------------------------Tulameen district __________________ _ Other placers ______________________...ores ____________ _ Placers of the Witwatersrand district __ History and production _____________ _ General...---------------N oril'sk district ____________ -----_---- _____ _ Petsamo district ___________________________...Placers-------------------------------Goodnews Bay district _____________ _ ~ining and production _________ |  | | Journal (article/letter/editorial) | | University of the Witwatersrand, Private Bag X3 Wits, Johannesburg 2050, South Africa Centre for Nuclear Safety...839981@students.wits.ac.za Abstract: The history of gold mining in the Witwatersrand Basin has led to exponential...concentration; annual effective dose; cancer risk; gold mining; West Rand; South Africa min12111370 Academic...Witwatersrand Basin has a long history of gold mining dating back to the first discovery of gold in 1886...development of many cities and towns, including Johannesburg, Krugersdorp, Randfontein, Roodepoort, Carletonville |  | | Journal (article/letter/editorial) | | iIk'~/~'- /JJHB ? s JOHANNESBURG N WEL~K / E::S]CentralRand Group 0 l 100 km AREA\ ~/~TS~_;I Carletonville...1991). In the Carletonville area alone the Middelvlei Reef covers an area of more than 500 km 2. However...Rand and Central Rand Goldfields are considered the area would represent thousands of square kilometres....respect to Carletonville and the location of the study area on West Driefontein. 1970; Hirdes and Saager, 1983)...which supported much of the early mining in the Johannesburg area. Unfortunately for miners in the Carletonville |  | | Book (volume) | | DR. RICHARD Professor of Geology and Freiberg Mining BECK Economic Geology Academy Translated and...Institution of Mining Engineers (England) Member American ; Member Institute of Mining and Metallurgy;...Washington Academy of Science, etc., etc. Institute of Mining Engineers; WITH 272 FIGURES AND A MAP FIRST...ENGINEERING AND MINING JOURNAL 1905 Copyright, 1905, by THE ENGINEERING AND MINING JOURNAL EPIGENETIC...' This Kupferschiefer is cases. lean in this district, carrying only 1.4% of copper, and no silver, |  | | Journal (issue) | | the Department of Geology at the University of Johannesburg. ... Read on page 19 Journal presentations:... S. Dohnt photo. In recent years, serious new mining operations for specimens have very rarely been...and legal limitations render commercial specimen mining so problematic that very few companies decide to...and specimen mining company Collectors Edge, the mine was reopened for specimen mining in 2013. The last...short article we would like to preview this new mining venture which hopefully will provide top quality |  | | Book | | Inflation by Veins and Dikes at Grass Valley, California / 210 Econ. Geology 36:143,163-174 (1941) Contents...52-54 10-4 KNOPF, A.: The Mother Lode System of California / 281 Us. Geol. Survey Prof Paper 157, 1929,...Conglomerates of the Witwatersrand / 373 Inst. Mining and Metallurgy Trans. 25:261-291 (1916) 14-5 LIEBENBERG...of the Pay-Streak in Placer Deposits / 465 Inst. Mining and Metallurgy Trans. 21:593-613 (1912) 15-2 LINDGREN...The Tertiary gravels of the Sierra Nevada of California, U.S. Geol. Survey Prof Paper 7], 1911, pp. 65-76 |  | | Book (edition) | | magnitude of South African mineral deposits and local mining operations, the Economic Geology Section of the...Grange as co-ordinator, and the South, African mining industry; statutory bodies, namely the Atomic Energy...Transport and Export Facilities, and Taxation of Mining Profits. I am greatly indebted to the above organisations...due to the Secretary for Mines, the Government Mining Engineer, the Director of the Minerals Bureau,...description of uses and properties, information about mining methods, metallurgy and mineral economics falls |  | | Journal (volume) | | bo ok t* All D H^r \j iVi"- The) Mining Magazine PUBLISHED AT SALISBURY HOUSE. LONDON....refer to notices of articles under the heading Mining Digest.' italics ; ' PAGE 11.5 (m.rf.) ......Antimony Ores of Victoria 66 Antimony Smelting in California Report .... 239 Arizona Copper Co.'s Flotation... Developments at 63, 185 241 Report. Barraniia Mining and Exploratou Report. 295 Basset Mines 336 Basset...124 Report Broken Hill, British 309 Broken Hill, Mining Methods at 110 {m.d.) .... Balaghat Developments |  | | Journal (article/letter/editorial) | | geological models and creative human reasoning. As metal mining is an economic activity made possible by geological...preoccupation is also ubiquitous in geosciences and mining where it sometimes overlaps with classification...of numerical data. Organized and localized metal mining, as opposed to opportunity collecting of naturally...Starting from surface ore outcrop the highly selective mining soon progressed to shallow depth, resulting in...of mines and intensity of ACCEPTED MANUSCRIPT mining fluctuated with politics and economics of the day |  | | Journal (article/letter/editorial) | | and possibly west of the basin. In the East Rand area, where the basal Black Reef conglomerates were deposited...1. The mineralized Blanket Facies covers a large area of Consolidated Modderfontein Gold Mine (Fig. 1)...to the abundance of U-rich tailings in the Johannesburg area. For the sample weights dissolved and Pb contents...K-mica Magnetite Chlorite Rutile Sphalerite Chalcopyrite Pyrrhotite Gold "Nb mineral" Feldspar (Na,K)...oxygendeficient conditions, from an unknown provenance area into the depositional environment of the early Transvaal |  | | Journal (volume) | | are denoted by Asterisks I*); thelettei-sdii.rf.) Mining Digest." refer to notices of articles under the...America. Tin Smelting in 128 American I:., titute of Mining Engineers *172 (m.d.) Anaconda. Leaching Copper...287, 314, 321 Brakpan Area, New 120 Report .... Briseis Tin and General Mining 64 Briseis Tin Mines 259...Canada, Nickel in Canadian Forest Fires Canadian Mining Manual Cape Copper Company Cape Explosives Company...Rand 109 (m.d.) .... Companies, Organization of Mining (m.d.) 53 Compressed Air v. Horse Haulage •47 (m |  | | Journal (article/letter/editorial) | | 1991; Jones,1991; de Wit et al., 1245 acrossthe area (de Wit et al., 1992b). This resultedin 1992b)...Theserocksarepartof the Eersteling,Mothiba,and Mount Mar• area (Jones,1991). The conglomerates YsterbergFormations...zirDepositionand Deformationof the Gold-Bearing con,chalcopyrite, goldinclusions in pyrite,ilmenite, Uitkyk Sedimentsin...allogenicinfluenceon sedimentation with Mount Mar(•area(de Wit, 1991; Jones,1991; de Wit tectonicactivityinferredto...Like the upperWitwatersrand sediments in the Johannesburg area (Minter and Loen, 1991; Robbet al., 1992) |  | | Book | | LAUREL NAMENY 20191 Argonaut Drive Saratoga, California About the Author Richard M. Pearl, a graduate...international tension. Fluorescent minerals, another area of outstanding interest, are also given special...minerals is described, together with the methods of mining them. Italics emphasize essential scientific terms...Ultra-Violet Products, Jnc., South Pasadena, California, and David E. Jensen, Head of the Geological...Heritage 2. PROSPECTING AND MINING . . . . .11 Prospecting Mining Milling, Smelting, Refining |  | | Book | | Our Mineral Heritage PROSPECTING AND MINING Prospecting Mining Milling, Smelting, Refining How To IDENTIFYMINERALS...international tension. Fluorescent minerals, another area of outstanding interest, are also given special...minerals is described, together with the methods of mining them. Italics emphasize essential scientific terms...mineral is shown to consist of a single uniform area when viewed under a microscope. This is unlike the...mineral, but one which is abundant enough in ~ given area so that it may be regarded as a prominent part of |  | | Journal (volume) | | TRAIN^SACTIOIS OF THE American Institute of Mining Engineers. VoL. OoXTAIXIX(i THE XXXVIL IAi'EU^^...available for publication by the American Institute of Mining Engineers. These papers have been published 3....By Frederick T. Williams, Cost-Accounts of Gold-Mining Operations. By Thomas H. Sheldon, A Eefcrence-Scbeme...Goldfield Mining-District, Nevada. By John B. Hasting.s and Charles P. Bericey, The Mojave Mining District...District of California. By Charles E. W. Bateson, Notes on Southern Nevada and Tiiyo County, California. By H |  | | Journal (volume) | | metasedimentary rocks of the Northern Pohjanmaa schist area , Finland . M. Honkamo .... . ........ ... ... ...stratigraphy and exogenic evolution of the Peräpohja area, Finland. V. Perttunen . ... . ... . . . .. ......origin of scapolite in the Central Lapland schist area, Northern Finland; preliminary results . P . Tuisku...Witwatersrand and Ortega units suggest severe source area weathering , wh ich would account for the low feldspar...are a function of provenance, intensity of source area weathering, depositional environment and diagenesis |
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