Mine detail: Venterspost Mine

Previously called ''

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Location

Lat / long: -26.29661, 27.63479

Resource(B)

Primary: Gold
Secondary: PGE, Platinum, Osmium, Iridium, Ruthenium, Rhodium, Silver, Sulfur-Pyrite, Sulfur, Sulfuric Acid
Tertiary: Uranium
Ore: Chalcopyrite, Galena, Pyrite, Pyrrhotite, Sphalerite, Uraninite
Orebody form: TABULAR/BLANKET
Discovery year: 1932

Production

Operation type: Unknown
Production size: Large
Development status: Producer
First production started: 1939

Geology

Host rock:Transvaal System Shales (Pretoria Series), Dolomite (Dolomite Series) And Conglomerates (Black Reef Series);Witwatersrand System (Upper Division)-Quartzites, Shales, Grits, Conglomerates And Carbon Granules
Host type:Quartzite,Shale,Conglomerate
Associated rock:Ventersdorp System-Lava
Associated type:Volcanic Rock (Aphanitic)
Structure:Unique Continuity Of Gold-Bearing Horizons Over Extended Area, Though Well Marked By Dikes, Faulting, Early Erosion And Redeposition Of Overlying Sediments., Steeply Dipping Compared To Most Other Measured Occurrences In This General Area. Faulting, Folding And Undulation Of The Beds Are Characteristic Locally. Intrusive Dikes Penetrate And Dilute Minable Ore Horizons. Lavas And Dolomites Are Massive.
Tectonic:Platform
Alteration processes:None

References

MRDSW027858
DEP10090139
Reference{Deposit:: MINERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA, FIFTH EDITION, HANDBOOK 7 ; 1976}{Deposit:: MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA; PELLETIER, R.A.; 1964}{Deposit:: GOLD FIELDS OF SOUTH AFRICA LIMITED, ANNUAL REPORTS, 1974 - 1977}{Deposit:: MERTIE, 1969, ECONOMIC GEOLOGY OF PLATINUM METALS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 630, P. 45-48.}{Deposit:: COUSINS, 1973, PLATINOIDS IN THE WITWATERSRAND SYSTEM: JOURNAL OF SOUTH AFRICA INSTITUTE OF MINING AND METALLURGY, V. 73, NO. 6, P. 3-5.}{Deposit:: WAGNER, 1929, PLATINUM DEPOSITS AND MINES OF SOUTH AFRICA: STRUIK (PTY) LTD., CAPETOWN 1973, P. 32-40.}{Deposit:: MINING JOURNAL, 1977, V. 288.}{Deposit:: VENTERSPOST GOLD MINING COMPANY, 1977, ANNUAL REPORTS.^253 VENTERSPOST GOLD MINING COMPANY, 1976, ANNUAL REPORTS.^253 VENTERSPOST GOLD MINING COMPANY, 1975, ANNUAL REPORTS.^253 VENTERSPOST GOLD MINING COMPANY, 1974, ANNUAL REPORTS.^253 IVOR JONES, ROY AND COMPANY, INC.^253 MINING JOURNAL, 1975, MINING JOURNAL, V. 19, NO. 1}{Production:: 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 ANALYSIS OF WORKING RESULTS-1986 ; 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}
ReporterSweetwood, Charles W., Mccarter, Lorna D, Mccarter, Lorna D.