| Lat / long: | -25.54664, 27.21812 |
| Primary: | PGE |
| Secondary: | Gold, Copper, Nickel |
| Ore: | Chromite |
| Gangue: | Anorthosite, Pyrrhotite |
| Orebody form: | TABULAR/BLANKET |
| Other material: | Chalcopyrite, Pentlandite |
| Discovery year: | 1924 |
| Operation type: | Unknown |
| Production size: | Large |
| Development status: | Producer |
| First production started: | 1969 |
| Host type: | Mafic Intrusive Rock,Gabbro |
| Associated rock: | Merensky Reef, Bushveld Igneous Complex |
| Associated type: | Mafic Intrusive Rock |
| Structure: | Inward-Dipping Cone-Like Structure; Folding And Faulting (Including Low-Angle Thrusting) Exists, But Are Of Minor Importance; Erosion, Peneplanation And Build-Up Of Younger Sediments Are Basic Criteria Regionally., The Merensky Reef Is Extraordinarily Uniform As To Composition And Thickness. Faults And Folds, Locally, Are Almost Non-Existent. An Oxidized Zone Extends Down-Dip For An Average Of 200 Meters, Followed By Unaltered Sulfide Zones. The Hanging Wall Is Spotted Porite Underlain By Pseudo-Porphyritic Pyroxenitic Diallage-Norite, Feldspathic Pyroxenite, A Chrome-Rich Layer, And A Footwall Of Anorthositic Norite. |
| Tectonic: | Platform |
| Alteration processes: | Surface And Near-Surface Alteration Of Feldspathic Material Only |
| MRDS | W028271 |
| DEP | 10089690 |
| Reference | {Deposit:: MINERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA, FIFTH EDITION, HANDBOOK 7 ; 1976}{Deposit:: IMPALA PLATINUM LIMITED; BROCHURE; CIRCA 1977}{Deposit:: COAL, GOLD & BASE MINERALS OF SOUTHERN AFRICA; JANUARY 1973}{Deposit:: WORLD MINING; FEBRUARY 1969}{Deposit:: IMPALA PLATINUM LIMITED, 1977, ANNUAL REPORT.}{Deposit:: IMPALA PLATINUM LIMITED, 1976, ANNUAL REPORT.}{Deposit:: IMPALA PLATINUM LIMITED, 1975, ANNUAL REPORT.}{Deposit:: IMPALA PLATINUM LIMITED, 1974, ANNUAL REPORT.}{Deposit:: SOUTH AFRICAN MINING AND ENGINEERING JOURNAL, 1975, PLATINUM: SOUTH AFRICAN MINING AND ENGINEERING JOURNAL.}{Deposit:: WAGNER, P.A., 1926, PRELIMINARY REPORT ON THE PLATINUM DEPOSITS IN THE SOUTHEASTERN PART OF THE RUSTENBURG DISTRICT, TRANSVAAL: DEPARTMENT OF MINES AND INDUSTRIES, GEOLOGICAL SURVEY.}{Production:: CONSULATE ESTIMATES. DATA FROM OFFICIAL SOUTH AFRICAN GOVERNMENT (I.E. DEPARTMENT OF MINES, MINERALS BUREAU) AND COMPANY ANNUAL REPORTS ARE UNAVAILABLE.} |
| Reporter | Sweetwood, Charles W. |