Commodities
PrimaryGold
SecondaryPGE, Silver
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formTABULAR/BLANKET
Ore controlGentle Uplift Of Continental Mass; Erosion; Peneplanation; Folding; Faulting; Volcanicity; Dike Injection And Build-Up Of Younger Sediments.
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 Sediments., Steep Dips Near Surface, Decreasing To Less Than 15 Degrees At Depth Of 3,000 Meters. Folds And Faults Locally. Intrusive Dikes Penetrate And Dilute Minable Ore Horizons.
Tectonic settingPlatform
AlterationNone
Economic & production
Development statusProducer
First production1887
Discovery year1887
Identification
Deposit ID10079049
MRDS IDW027864
RegionAF
Data scoreB
Coordinates-26.22993, 28.01812
References
MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA; PELLETIER, R.A.; 1964MINERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA, FIFTH EDITION, HANDBOOK 7 ; 1976BARLOW RAND LIMITED ANNUAL REPORT; 1975CHAMBER OF MINES OF SOUTH AFRICA, 1951, MINING SURVEY: CHAMBER OF MINES OF SOUTH AFRICA, V. 3, NO. 4, SEPTEMBER 1951.ANALYSIS OF WORKING RESULTS; CHAMBER OF MINES OF SOUTH AFRICA; ANNUAL REPORTS 1976 , 1977