Mine detail: Zwartkop Chrome Mine

Previously called ''

<< Back to the map

Location

Lat / long: -24.78001, 27.28477

Resource(M)

Primary: Chromium
Tertiary: PGE, Iron, Silica
Ore: Chromite, Magnetite
Gangue: Anorthosite, Chalcopyrite, Pentlandite, Pyrrhotite
Orebody form: TABULAR/BLANKET

Production

Operation type: Unknown
Production size: Large
Development status: Past Producer
First production started: 1935

Geology

Host type:Gabbro
Associated rock:Bushveld Igneous Complex (Including The Overlying Merensky Reef)
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 Are* Upper, Middle And Lower Chrome Groups (Underlying The Merensky Reef) Are Extraordinarily Uniform As To Composition And Thickness. Faults And Folds, Locally, Are Of Minor Importance Only. Seam Undulations, However, Are Common And Thus Present Localized (Albeit Moderate) Changes In The Dip.
Tectonic:Platform
Alteration processes:Surface And Near Surface Alteration Of Feldspathic Materials Only.

References

MRDSW028281
DEP10079230
Reference{Deposit:: MINERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA, FIFTH EDITION, HANDBOOK 7, GEOLOGICAL SURVEY, DEPARTMENT OF MINES; 1976.}{Deposit:: CHROMITE MINES AND RESOURCES IN THE REPUBLIC OF SOUTH AFRICA; UNIVERSITY OF IDAHO FOR M.A.S., U.S. BUREAU OF MINES; SIEMS, P., CHRIST, E.M., AND SHEEHAN, L.E.JR.; 1976.}{Deposit:: MARKETING DIRECTORY, NO.2, FERROUS AND NONFERROUS METALS AND MINERALS IN SOUTH AFRICA; MINERALS BUREAU, DEPARTMENTOF MINES; 1977.}{Deposit:: MINING MAGAZINE, JANUARY, 1987.}{Deposit:: SAUNDERS AND TAYLOR, 1975, CHROMIUM AND FERROCHROMIUM IN SOUTH AFRICA: SAUNDERS AND TAYLOR STOCK AND SHAREBROKERS, NOVEMBER 1975.}{Deposit:: KUPFERBURGER, W., AND LOMBAARD, B.V., 1937, THE CHROMITE DEPOSITS OF THE BUSHVELD IGNEOUS COMPLEX: GEOLOGICAL SURVEY,DEPARTMENT OF MINES.}{Production:: REPORTERS ESTIMATES BASED ON INDUSTRY INDICATORS AND OFFICIAL (MINERALS BUREAU) COUNTRY TOTALS ; REPORTE* ESTIMATES BASED ON INDUSTRY INDICATORS AND OFFICIAL (MINERALS BUREAU) COUNTRY TOTALS.}
ReporterMccarter, Lorna D., Sweetwood, Charles W.