Mine detail: Witwatersrand Nigel

Previously called ''

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Location

Lat / long:

-26.51326, 28.43478

Resource(M)

Primary:	Gold
Secondary:	Silver, PGE, Iridium, Ruthenium, Platinum, Rhodium, Osmium
Tertiary:	Cobalt, Uranium
Ore:	Chalcopyrite, Galena, Pyrite, Pyrrhotite, Sphalerite, Uraninite
Orebody form:	TABULAR/BLANKET

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Producer
First production started:	1940

Geology

Host rock:	Transvaal System-Dolomite;Witwatersrand System (Upper Division)-Quartzities, 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

MRDS	W027856
DEP	10089662
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:: WAGNER, 1929, PLATINUM DEPOSITS AND MINES OF SOUTH AFRICA: STRUIK (PTY) LTD., CAPETOWN 1973, P. 33.}{Deposit:: MERTIE, 1969, ECONOMIC GEOLOGY OF PLATINUM METALS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 630, P. 45-48.}{Deposit:: QUIRING, 1962, PLATINMETALLE: STUTTGART, ENKE, P. 101.}{Deposit:: WITWATERSRAND NIGEL LIMITED, (N.D.), ANNUAL REPORT, WITWATERSRAND NIGEL LIMITED.}{Deposit:: MINING JOURNAL, 1977, QUARTERLY REVIEW OF SOUTH AFRICAN GOLD SHARES: MINING JOURNAL, V. 19, NO. 1.}{Production:: WITWATERSRAND WIGEL ANNUAL REPORTS ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - 1984 ; WITWATERSRAND NIGEL ANNUAL REPORT-1985 ; WITWATERSRAND NIGEL ANNUAL REPORT-1986 ; ANALYSES OF WORKING RESULTS, CHAMBER OF MINES OF SOUTH AFRICA - 1980 ; CHAMBER OF MINES OF SOUTH AFRICA - ANALYSIS OF WORKING RESULTS - 1981 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - 1983 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS-1982 ; ANALYSIS OF WORKING RESULTS, CHAMBER OF MINES OF SOUTH AFRICA, JANUARY - DECEMBER 1979 ; ANALYSIS OF WORKING RESULTS, CHAMBER OF MINES OF SOUTH AFRICA. JANUARY - DECEMBER 1978}
Reporter	Sweetwood, Charles W., Mccarter, Lorna D, Mccarter, Lorna D.