Commodities
PrimaryChromium
TertiaryPGE, Iron, Silica
Commodity typeM
Deposit
Deposit sizeM
WorkingsUnderground
Orebody formTABULAR/BLANKET
Ore controlThe Various Components Of The Bushveld Igneous Complex Have Been Emplaced In Successive Eruptions As Sheet-Like Masses Into The Pretoria Series Volcanics (Transvaal System), And In Some Cases Into One Another, Dipping Inward Toward The Center Giving A Cone-Like Structure To The Complex As A Whole.
Materials
Ore mineralsChromite
GangueAnorthosite, Chalcopyrite, Pentlandite, Pyrrhotite
Geology
Host rockPyroxenite
Associated rockMafic Intrusive Rock · Bushveld Igneous Complex (Including The Overlying Merensky Reef), Zoetveld Subsuite
StructureInward-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., See Comments
Tectonic settingPlatform, Intracratonic
AlterationSurface And Near-Surface Alteration Of Feldspathic Material Only.
Economic & production
Development statusProducer
First production1962
Discovery year1961
Identification
Deposit ID10079234
MRDS IDW028406
RegionAF
Data scoreA
Coordinates-24.33001, 28.98475
References
SRC.REF: FERROUS AND NONFERROUS MINES AND WORKS IN SOUTH AFRICA; MINERALS BUREAU DIRECTORY NO. 3/79OPERATING MINES IN THE REPUBLIC OF SOUTH AFRICA; MINERALS BUREAU, DEPARTMENT OF MINES; DIRECTORY NO. 1/79; 1979 .CHROMITE MINES AND RESOURCES IN THE REPUBLIC OF SOUTH AFRICA; UNIVERSITY OF IDAHO FOR M.A.S., US BUREAU OF MINES; SIEMS, P., CRIST, E. M., AND SHEEHAN, L. E., JR.; 1976 .FERROUS AND NONFERROUS MINES AND WORKS IN SOUTH AFRICA; MINERALS BUREAU; DIRECTORY NO. 3/79; 1979 .DEYOUNG AND OTHERS, 1984, INTERNATIONAL STRATEGIC MINERALS INVENTORY SUMMARY REPORT-- CHROMITE: U.S. GEOLOGICAL SURVEY CIRCULAR 930-B, 41 P.MINERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA, FIFTH EDITION, HANDBOOK 7, GEOLOGICAL SURVEY, DEPARTMENT OF MINES; 1976ISMIREPORTER'S ESTIMATES BASED ON INDUSTRY INDICATORS AND OFFICIAL (MINERALS BUREAU) COUNTRY TOTALS ; REPORTER'S ESTIMATE BASED ON INDUSTRY INDICATORS AND OFFICIAL (MINERALS BUREAU) COUNTRY TOTALS. ; REPORTERS ESTIMATE BASED ON INDUSTRY INDICATORS AND OFFICIAL (MINERALS BUREAU) COUNTRY TOTALS.