Mine detail: E.R.P.M. Mine

Previously called ''

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Location

Lat / long: -26.22993, 28.21812

Resource(M)

Primary: Gold
Secondary: PGE, Silver
Tertiary: Sulfur-Pyrite, Uranium
Ore: Gold
Orebody form: TABULAR/BLANKET
Discovery year: 1890

Production

Operation type: Unknown
Production size: Large
Development status: Producer
First production started: 1894

Geology

Host rock:Transvaal System-Dolomite;Witwatersrand System (Upper Division)-Quartzites, Shales, Grits, Conglomerates And Carbon Granules
Host type:Quartzite,Shale,Conglomerate,Volcanic Rock (Aphanitic)
Associated rock:Ventersdorp System-Lava
Associated type:Volcanic Rock (Aphanitic)
Structure:Unique 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:Platform
Alteration processes:None

References

MRDSW027866
DEP10079050
Reference{Deposit:: MINERAL RESOURCES OF SOUTH - CENTRAL AFRICA; PELLETIER, R.A.; 1964}{Deposit:: MINERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA, FIFTH EDITION, HANDBOOK 7 ; 1976}{Deposit:: SOUTH AFRICAN MINING & ENGINEERING JOURNAL, JANUARY 1973}{Deposit:: IVOR JONES, ROY & COMPANY, INC., SOUTH AFRICAN GOLD SHARES: JOHANNESBURG, IVOR JONES, ROY & COMPANY, INC.}{Deposit:: SOUTH AFRICAN MINING AND ENGINEERING JOURNAL, 1973, SOUTH AFRICAN MINING AND ENGINEERING JOURNAL, JANUARY 1973.}{Deposit:: E.R.P.M. BROCHURE, 1963.*503 IVOR JONES, ROY & COMPANY, INC., SOUTH AFRICAN GOLD SHARES: JOHANNESBURG, IVOR JONES, ROY & COMPANY, INC.}{Deposit:: BARLOW RAND LIMITED, 1976, ANNUAL REPORTS.}{Deposit:: BARLOW RAND LIMITED, 1975, ANNUAL REPORTS.}{Production:: CHAMBER OF MINES OF SOUTH AFRICA ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - 1985 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS-1986 ; CHAMBER OF MINES OF SOUTH AFRICA LIMITED - ANALYSIS OF WORKING RESULTS - 1981 ; CHAMBER OF MINES-ANALYSIS OF WORKING RESULTS-1982 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - 1983 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - JUNE 30, 1985 ; 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, Mccarter, Lorna D., Sweetwood, Charles W.