Commodities
PrimaryManganese
TertiaryIron
Commodity typeM
Deposit
Deposit sizeL
WorkingsUnknown
Orebody formTABULAR/BLANKET IRREGULAR
Ore controlOriginal Manganiferous Sediments Subjected To Uplift, Erosion, Resulting In Solution, Transport & Concentration Of Manganese In Banded Ironstone.
Geology
Host rockVolcanic Rock (Aphanitic)
Associated rockVolcanic Rock (Aphanitic)
StructureThe Basin Is About 15 Km Wide & Has Been Gently Folded Into A Large Synclinal Structure., Local Normal Faults (Intruded By Gabbro Dikes) Cause Offsets Of Orebody.
Tectonic settingPlatform; Possibly Several Tectonic Cycles
Economic & production
Development statusProducer
First production1979
Identification
Deposit ID10080051
MRDS IDW031002
RegionAF
Data scoreB
Coordinates-27.32994, 22.86819
References
SRC.REF: MANGANESE-A MINERAL COMMODITY REVIEW: SOUTH AFRICA DEPT OF MINES, MINERALS BUREAU, REPT NO 53, 1979DEPT. OF MINES, GEOLOGICAL SURVEY OF SOUTH AFRICA, 1976, MINERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA, 5TH EDITION, HANDBOOK 7.PELLETIEN, R.A, 1964, MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA.DE VILLIENS, P.R., THE GEOLOGY AND MINERALOGY OF THE KALAHARI MANGANESE FIELD NORTH OF SISHEN.DEPT OF MINES, GEOLOGICAL SURVEY OF SOUTH AFRICA, 1960, THE MANGANESE DEPOSITS OF THE UNION OF SOUTH AFRICA, HANDBOOK 2.ISMIMIDDELPLAATS LTD ANNUAL REPORT. GRADES FROM MINERALSBUREAU MANGANESE COMMODITY REVIEW, CURRENT YEAR.