Commodities
PrimaryGold
SecondarySilver, PGE, Iridium, Ruthenium, Platinum, Rhodium, Osmium
TertiaryCobalt, Uranium
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; Volcancity; And Build-Up Of Younger Sediments. Gold Values Range Erratically From High To Low.
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Pyrrhotite, Sphalerite, Uraninite
Geology
Host rockQuartzite,Shale,Conglomerate,Volcanic Rock (Aphanitic) · Transvaal System-Dolomite;Witwatersrand System (Upper Division)-Quartzities, 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 Redeposition Of Overlying Sediments, Gentle Dip Regionally, With Folds And Faults Locally. Overlying Lavas And Dolomites Are Massive.
Tectonic settingPlatform
AlterationNone
Economic & production
Development statusProducer
First production1940
Identification
Deposit ID10089662
MRDS IDW027856
RegionAF
Data scoreA
Coordinates-26.51326, 28.43478
References
MINERAL RESOURCES OF SOUTH - CENTRAL AFRICA; PELLETIER, R.A.; 1964MINERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA; FIFTH EDITION, HANDBOOK 7 ; 1976WAGNER, 1929, PLATINUM DEPOSITS AND MINES OF SOUTH AFRICA: STRUIK (PTY) LTD., CAPETOWN 1973, P. 33.MERTIE, 1969, ECONOMIC GEOLOGY OF PLATINUM METALS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 630, P. 45-48.QUIRING, 1962, PLATINMETALLE: STUTTGART, ENKE, P. 101.WITWATERSRAND NIGEL LIMITED, (N.D.), ANNUAL REPORT, WITWATERSRAND NIGEL LIMITED.MINING JOURNAL, 1977, QUARTERLY REVIEW OF SOUTH AFRICAN GOLD SHARES: MINING JOURNAL, V. 19, NO. 1.WITWATERSRAND WIGEL ANNUAL REPORTS ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - 1984 ; WITWATERSRAND NIGEL ANNUAL REPORT-1985 ; WITWATERSRAND NIGEL ANNUAL REPORT-1986 ; ANALYSES OF WORKING RESULTS, CHAMBER OF MINES OF SOUTH AFRICA - 1980 ; CHAMBER OF MINES OF SOUTH AFRICA - ANALYSIS OF WORKING RESULTS - 1981 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - 1983 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS-1982 ; ANALYSIS OF WORKING RESULTS, CHAMBER OF MINES OF SOUTH AFRICA, JANUARY - DECEMBER 1979 ; ANALYSIS OF WORKING RESULTS, CHAMBER OF MINES OF SOUTH AFRICA. JANUARY - DECEMBER 1978