Commodities
PrimaryManganese
TertiaryAluminum, Iron, Phosphorus-Phosphates, Silica
Commodity typeB
Materials
Other materialsBixbyite, Braunite, Cryptomalene, Hausmannite, Jacobsite
Economic & production
Development statusProducer
First production1941
Identification
Deposit ID10207488
MRDS IDISM0171
Alternate namesBlack Rock Mine
RegionAF
Data scoreC
Coordinates-22.83007, 27.16812
References
BOARDMAN, L.G., 1964, FURTHER GEOLOGICAL DATA ON THE POSTMASAND KURUMAN MANGANESE ORE DEPOSITS, NORTHERN CAPE PROVITHE GEOL. OF SOME ORE DEP. IN SOUTHERN AFRICA, V.II: GES.A., P.415-440.DEVILLIERS, JOHN. MANGANESE DEPOSITS OF THE UNION OF SOUTHAFRICA. GEOL. SURV. OF SOUTH AFRICA HANDBOOK NO. 2.1960., 248 PP.VEY OF S.A., 248P.DEVILLIERS, P.R. THE GEOLOGY AND MINERALOGY OF THE KALAHARIMANGANESE FIELD, NORTH OF SISHEN, CAPE PROVINCE. GEOL.SURV. OF SOUTH AFRICA MEMOIR 59. 1970, 58 PP.DUKE, V.W.A.(COMPILER). MANGANESE, A MINERAL COMMODITY RE--VIEW. SOUTH AFRICA DEPT. OF MINES, MINERALS BUREAUINTERNAL REPORT NO. 53. 1979, PP. 90-113.FRANKEL, J.J. MANGANESE ORES FROM THE KURUMAN DISTRICT, UP--PER CAPE PROVINCE. SOUTH AFRICA ECON. GEOL. V. 53,1958, PP. 577-597.HAMMERBECK, E.C.I. AND J.J. TALJAARDT. MANGANESE.(IN) MIN--ERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA. HAND--BOOK, 7.(C.B. COETZZEE, ED.). PRETORIA, 1976,PP. 167-172.NATIONAL MATERIALS ADVISORY BOARD. NATIONAL ACADEMY OF SCI--ENCE-NATIONAL RESEARCH COUNCIL. MANGANESE RESOURCES OFTHE WORLD AND THEIR INDUSTRIAL IMPLECATIONS. NMAB-374,WASHINGTON D.C. 1981, PP. 186-200.PELLETIER. R.A. MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA.OXFORD UNIVERSITY PRESS, LONDON. 1964, P. 98STREIDER, PETER. SOUTH AFRICA'S ROLE IN WORLD MANGANESE.PRES. AT SOUTHERN AFRICAN METALS AND MINERALS CONFER-ENCE. JOHANNESBURG, MAY 12, 1981, 15 PP.TALJAARDT, J.J. MAJOR MANGANESE FIELDS, REPUBLIC OF SOUTHAFRICA. JOHANNESBURG, NOV. 1979, UPDATED NOV. 1982.U.S. DEPT. OF STATE. SOUTH AFRICA'S MANGANESE SECTOR. AIR--GRAM A-30. JOHANNESBURG, APR. 30, 1982, 53 PP.