| Lat / long: | -26.21328, 27.76812 |
| Primary: | Gold |
| Secondary: | Rhodium, PGE, Platinum, Osmium, Iridium, Ruthenium, Silver |
| Tertiary: | Sulfur-Pyrite, Uranium, Copper, Lead, Zinc |
| Orebody form: | TABULAR/BLANKET |
| Discovery year: | 1888 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| First production started: | 1937 |
| Host rock: | Transvaal System--Dolomite;Witwatersrand System (Upper Division)-Quartzite, Shales, Grits And Conglomerates |
| 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 Folding, Faulting And (Locally) Erosion And Redeposition Of Overlying Conformable Sediments, Dips Vary From Gentle To Nearly Vertical In Mine Area. Folding And Faulting From Moderate To Severe. Overlying Lavas And Dolomites Are Thin To Massive. Both Minable Reefs Outcrop On Mine Property In Upthrow Fault Blocks, But Bulk Of Ore Occurs At Depths In Excess Of 200 Meters |
| Tectonic: | Platform |
| Alteration processes: | None |
| MRDS | W026838 |
| DEP | 10107349 |
| Reference | {Deposit:: GENERAL MINING AND FINANCE CORPORATION, ANNUAL REPORT; 1975}{Deposit:: MINERAL RESOURCES OF SOUTH - CENTRAL AFRICA; PELLETIER, R. A.; 1964}{Deposit:: SOUTH AFRICAN MINING & ENGINEERING JOURNAL, OCTOBER 1973}{Deposit:: MINING JOURNAL QUARTERLY REVIEW OF SOUTH AFRICAN GOLD SHARES, VOL. 19 , NO. 1 ; MAY 1975}{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 OF SOUTH AFRICA INSTITUTE MINING AND METALLURGY, 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:: SOUTH AFRICAN GOLD SHARES; IVOR JONES, ROY AND CO., INC., JOHANNESBURG; 197}{Production:: GENERAL MINING AND FINANCE CORPORATION LTD., ANNUAL REPORTS; 1970 - 975} |
| Reporter | Sweetwood, Charles W. |