Commodities
PrimaryGold
SecondaryOsmium, Iridium, Platinum, Rhodium, Ruthenium, Silver
TertiaryUranium, Sulfur-Pyrite
Commodity typeM
Deposit
Model193: Quartz pebble conglomerate Au-U (BC name is Paleoplacer U-Au-PGE-Sn-Ti
Deposit sizeM
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, Sphalerite
Geology
Host rockQuartzite,Shale,Conglomerate,Volcanic Rock (Aphanitic) · 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 Faulting And Folding, And (Locally) Erosion And Redeposition Of Overlying Sediment, Gentle Dips Near Surface, Increasing To 80 Degrees (South) At Current Maximum Mining Depths. Folds And Faults Locally. Intrusive Dikes Penetrate And Dilute Minable Ore Horizons.
Tectonic settingPlatform
AlterationNone
Economic & production
Development statusProducer
First production1898
Discovery year1887
Identification
Deposit ID10079047
MRDS IDW027862
Alternate namesDurban Roodepoort Deep
RegionAF
Data scoreA
Coordinates-26.19661, 27.86812
References
MINERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA, FIFTH EDITION, HANDBOOK 7 ; 1976MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA; PELLETIER, R.A.; 1964BARLOW RAND LIMITED ANNUAL REPORTS; 1975 - 1977MERTIE, 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 INST. MIN. AND METALL., V. 73, NO. 6, P. 3-5.WAGNER, 1929, PLATINUM DEPOSITS AND MINES OF SOUTH AFRICA: STRUIK (PTY) LTD., CAPETOWN 1973, P. 32-40.PARK AND MACDIARMID, 1970, ORE DEPOSITSMINING JOURNAL, 1977, V. 288.IVOR JONES, ROY & COMPANY, INC., SOUTH AFRICAN GOLD SHARES: JOHANNESBURG, IVOR JONES, ROY & COMPANY, INC.MINING JOURNAL, 1975, QUARTERLY REVIEW OF SOUTH AFRICAN SHARES: MINING JOURNAL, V. 19, NO. 1, MAY 1975.CHAMBER OF MINES OF SOUTH AFRICA ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - 1984 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - 1985 ; CHAMBER OF MINES OF SOUTH AFRICA - ANALYSIS OF WORKING RESULTS - 1981 ; CHAMBER OF MINES-ANALYSIS OF WORKING RESULTS-1982 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - 1983 ; ANALYSIS OF WORKING RESULTS, CHAMBER OF MINES OF SOUTH AFRICA. JANUARY - DECEMBER 1979 ; ANALYSES OF WORKING RESULTS, CHAMBER OF MINES OF SOUTH AFRICA - 1980 ; ANALYSIS OF WORKING RESULTS, CHAMBER OF MINES OF SOUTH AFRICA. JANUARY - DECEMBER 1978