Mine detail: Kloof Mine

Previously called ''

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Location

Lat / long:

-26.3966, 27.60146

Resource(B)

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

Production

Operation type:	Unknown
Production size:	Large
Development status:	Producer
First production started:	1968

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 Limited, But Minor Folding And Notable Undulation Of The Beds Are Characteristic Locally. Intrusive Dikes Penetrate And Dilute Minable Ore Horizons. A Well-Marked, And Incompetent, Tuff Overlies The Ventersdorp Contact Reef. Lavas And Dolomites Are Massive.
Tectonic:	Platform
Alteration processes:	None

References

MRDS	W027860
DEP	10079045
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 THE PLATINUM METALS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 630.}{Deposit:: MINING JOURNAL, 1977, DEVELOPMENT AND MILLING: V. 288.}{Deposit:: PARK AND MACDIARMID, 1970, ORE DEPOSITS: FREEMAN AND CO.}{Deposit:: KLOOF GOLD MINING COMPANY, 1977, ANNUAL REPORTS.}{Deposit:: KLOOF GOLD MINING COMPANY, 1976, ANNUAL REPORTS.}{Deposit:: KLOOF GOLD MINING COMPANY, 1975 ANNUAL REPORTS.}{Deposit:: KLOOF GOLD MINING COMPANY, 1974, ANNUAL REPORTS.}{Deposit:: IVOR JONES, ROY & COMPANY, INC., SOUTH AFRICAN GOLD SHARES.}{Deposit:: KLOOF GOLD MINING COMPANY, COMPANY HISTORY.}{Deposit:: KLOOF GOLD MINING COMPANY, COMPANY GEOLOGY AND MINING PLAN.}{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}
Reporter	Mccarter, Lorna D, Mccarter, Lorna D., Sweetwood, Charles W.