Description
R. H. Krahmann, Leopold Reinecke & Carlton Jones
Commodities
PrimaryGold
SecondarySilver, Ruthenium, Rhodium, Iridium, Osmium, Platinum, PGE, Uranium
Commodity typeM
Deposit
Model193: Quartz pebble conglomerate Au-U (BC name is Paleoplacer U-Au-PGE-Sn-Ti
Deposit sizeL
WorkingsUnderground
Orebody formTABULAR/BLANKET
Ore controlGentle Uplift Of Continental Mass; Erosion; Peneplanation; Folding; Faulting; Volcanicity; Dike Injection And Build - Up Of Younger Sediments
Materials
Ore mineralsChalcopyrite, Galena, Gold, Pyrite, Pyrrhotite, Sperrylite, Sphalerite
Geology
Host rockQuartzite,Shale,Conglomerate,Volcanic Rock (Aphanitic) · Transvaal System-Dolomite;Witwatersrand System (Upper Division)-Quartzites, Shales, Grits, Conglomerates, And Carbon Granules
Associated rockVolcanic Rock (Aphanitic) · Ventersdorp System-Lava
StructureUnique Continuity Of Gold - Bearing Horizons Over Extended Area, Though Well Marked By Folding, Faulting And (Locally) Erosion And Redepositon Of Overlying Sediments. The Ventersdorp Contact Reef Unconformably Overlies The Carbon Leader Reef, Gentle Dip Regionally, With Folds And Faults Locally. Intrusive Dikes Penetrate And Dilute Minable Ore Horizons. Overlying Lavas And Dolomites Are Massive.
Tectonic settingPlatform
AlterationNone
Economic & production
Development statusProducer
First production1962
Discovery year1930
Identification
Deposit ID10071446
MRDS IDW014843
Alternate namesWestern Deep Levels
RegionAF
Data scoreA
Coordinates-26.41327, 27.41813
References
ANGLO AMERICAN CORPORATION OF SOUTH AFRICA LIMITED; ANNUAL REPORTS: 1974 & 1975SOUTH AFRICAN GOLD SHARES; IVOR JONES, ROY AND CO., INC., JOHANNESBURG; 1975MINERAL RESOURCES OF SOUTH - CENTRAL AFRICA; PELLETIER, R. A.; 1964GOLD IN THE TRANSVAAL (MINES OF THE ANGLO AMERICAN CORPORATION GROUP); 1961MERTIE, 1969, ECONOMIC GEOLOGY OF PLATINUM METALS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 630, P. 45-48.COUSINS, 1973, PLATINOIDS IN THE WITWATERSRAND SYSTEM: JOURNAL OF SOUTH AFRICA INSTITUTE OF MINING AND METALLURGY, V. 73, NO. 6, P. 3-5.WAGNER, 1929, PLATINUM DEPOSITS AND MINES OF SOUTH AFRICA: STRUIK (PTY) LTD., CAPETOWN 1973, P. 32-40.FEATHER, 1976, MINERALOGY OF PLATINUM-GROUP MINERALS IN THE WITWATERSRAND: ECONOMIC GEOLOGY, V. 71, NO. 7, P. 1419.MINING JOURNAL, 1977, V. 288.MINING JOURNAL, 1975, MINING JOURNAL, V. 19, NO. 1, MAY 1975.CHAMBER OF MINES OF SOUTH AFRICA ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS-1982 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - 1983 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - 1984 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - 1985 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS-1986 ; ANALYSIS OF WORKING RESULTS, CHAMBER OF MINES OF SOUTH AFRICA; JANUARY - DECEMBER 1979 ; ANALYSES OF WORKING RESULTS, CHAMBER OF MINES OF SOUTH AFRICA - 1980 ; CHAMBER OF MINES OF SOUTH AFRICA - ANALYSIS OF WORKING RESULTS - 1981 ; ANALYSIS OF WORKING RESULTS, CHAMBER OF MINES OF SOUTH AFRICA; JANUARY - DECEMBER 1978 ; ANALYSIS OF WORKING RESULTS, CHAMBER OF MINES OF SOUTH AFRICA, JANUARY-DECEMBER 1977