Mine detail: East Driefontein

Previously called ''

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Location

Lat / long: -26.3966, 27.48479

Resource(M)

Primary: Gold
Secondary: PGE, Silver
Tertiary: Uranium, Sulfur-Pyrite
Ore: Gold
Orebody form: TABULAR/BLANKET
Discovery year: 1932

Production

Operation type: Unknown
Production size: Large
Development status: Producer
First production started: 1972

Geology

Host rock:Transvaal System Shales (Pretoria Series), Dolomite (Dolomite Series) And Conglomerates (Black Reef Series);Witwatersrand System (Upper Division)-Quartzite, 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. The Ventersdorp Contact Reef Unconformably Overlies The Carbon Leader Reef., Gentle Dip With Faulting Locally, And Minor Folding. Intrusive Dikes Penetrate And Dilute Minable Ore Horizons. Overlying Lavas And Dolomites Are Massive.
Tectonic:Platform
Alteration processes:None

References

MRDSW027861
DEP10079046
Reference{Deposit:: MINERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA, FIFTH EDITION, HANDBOOK 7 ; 1976}{Deposit:: MINERALS RESOURCES OF SOUTH-CENTRAL AFRICA; PELLETIER, R.A.; 1964}{Deposit:: GOLD FIELDS OF SOUTH AFRICA LIMITED, ANNUAL REPORTS 1972 - 1976}{Deposit:: EAST DRIEFONTEIN, 1976, ANNUAL REPORT.}{Deposit:: EAST DRIEFONTEIN, 1975, ANNUAL REPORT.}{Deposit:: EAST DRIEFONTEIN, 1974, ANNUAL REPORT.}{Deposit:: EAST DRIEFONTEIN, 1973, ANNUAL REPORT.}{Deposit:: EAST DRIEFONTEIN, 1972, ANNUAL REPORT.}{Deposit:: IVOR JONES, ROY & COMPANY, INC.,SOUTH AFRICAN GOLD SHARES: JOHANNESBURG, IVOR JONES, ROY & COMPANY, INC.}{Deposit:: MINING JOURNAL, 1975, V. 19, NO. 1, MAY 1975.}{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}
ReporterMccarter, Lorna D, Sweetwood, Charles W., Mccarter, Lorna D.