Location: | Free State, South Africa, Africa |
Lat / long: | -28.04654, 26.83482 |
dep_id: | 10079053 |
mrds_id: | W027869 |
Commodity type: | metallic |
Major mineral: | Gold, Uranium |
Minor mineral: | PGE, Platinum, Osmium, Iridium, Ruthenium, Rhodium, Silver |
Trace mineral: | Sulfur-Pyrite |
Operation type: | Unknown |
Production size: | Large ammount of material produced |
Development status: | Producer |
ore: | Gold |
orebody_fm: | TABULAR/BLANKET |
work_type: | Underground |
model: | 193: Quartz pebble conglomerate Au-U (BC name is Paleoplacer U-Au-PGE-Sn-Ti |
alteration: | None |
conc_proc: | Generally Agreed That Gold And Uranium Were Originally Deposited In Detrital Form, And That The Gold (At Least) Was Later Partly Dissolved And Redeposited Practically In Situ. |
ore_ctrl: | Gentle Uplift Of Continental Mass; Erosion; Peneplanation; Folding; Faulting; Volcanicity; Dike Injection And Build-Up Of Younger Sediments. |
Reporter: | Mccarter, Lorna D, Mccarter, Lorna D., Sweetwood, Charles W. |
hrock_unit: | Upper Elsburg Conglomerates And Quartzites;Karroo System Conglomerates And Shales |
hrock_type: | Quartzite,Shale,Conglomerate |
arock_unit: | Ventersdorp System-Lava |
arock_type: | Volcanic Rock (Aphanitic) |
Structure: | Unique Continuity Of Gold-Bearing Horizons Over Extended Area Though Well Marked By Faulting, Folding And (Locally) Erosion And Redeposition Of Overlying Sediments., Gentle Dip Regionally, With Folds And Faults Locally. Overlying Lavas, Quartzites And Conglomerates Are Massive. |
tectonic: | Platform |
Year first produced: | 1954 |
References: |
- 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:: BARLOW RAND LIMITED ANNUAL REPORTS; 1974 - 1977
- Deposit:: MERTIE, 1969, ECONOMIC GEOLOGY OF THE PLATINUM METALS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 630, P. 45-48.
- Deposit:: COUSINS, 1973, PLATINOIDS IN THE WITWATERSRAND SYSTEM: JOURNAL SOUTH AFRICA INST. MINING AND METALL., 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:: IVOR JONES, ROY & COMPANY, INC., SOUTH AFRICAN GOLD SHARES: JOHANNESBURG, IVOR JONES, ROY & COMPANY, INC.
- Deposit:: MINING JOURNAL, 1975, QUARTERLY REVIEW OF SOUTH AFRICAN SHARES: MINING JOURNAL, V. 19, NO. 1, MAY 1975.
- 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 ANALYSIS OF WORKING RESULTS - 1981 ; CHAMBER OF MINES ANALYSIS OF WORKING - 1982 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS-1983 ; CHAMBER OF MINES ANALYSIS OF WORKING RESULTS - 1984 ; 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
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