Mine detail: Black Rock

Previously called 'Black Rock Mine'

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Location

Lat / long: -22.83007, 27.16812

Resource(B)

Primary: Manganese
Tertiary: Aluminum, Iron, Phosphorus-Phosphates, Silica
Other material: Bixbyite, Braunite, Cryptomalene, Hausmannite, Jacobsite

Production

Operation type: Underground
Development status: Producer
First production started: 1941

Geology

References

MRDSISM0171
MAS7910050008
DEP10207488
Reference{Deposit:: BOARDMAN, L.G., 1964, FURTHER GEOLOGICAL DATA ON THE POSTMAS}{Deposit:: AND KURUMAN MANGANESE ORE DEPOSITS, NORTHERN CAPE PROVI}{Deposit:: THE GEOL. OF SOME ORE DEP. IN SOUTHERN AFRICA, V.II: GE}{Deposit:: S.A., P.415-440.}{Deposit:: DEVILLIERS, JOHN. MANGANESE DEPOSITS OF THE UNION OF SOUTH}{Deposit:: AFRICA. GEOL. SURV. OF SOUTH AFRICA HANDBOOK NO. 2.}{Deposit:: 1960., 248 PP.VEY OF S.A., 248P.}{Deposit:: DEVILLIERS, P.R. THE GEOLOGY AND MINERALOGY OF THE KALAHARI}{Deposit:: MANGANESE FIELD, NORTH OF SISHEN, CAPE PROVINCE. GEOL.}{Deposit:: SURV. OF SOUTH AFRICA MEMOIR 59. 1970, 58 PP.}{Deposit:: DUKE, V.W.A.(COMPILER). MANGANESE, A MINERAL COMMODITY RE-}{Deposit:: -VIEW. SOUTH AFRICA DEPT. OF MINES, MINERALS BUREAU}{Deposit:: INTERNAL REPORT NO. 53. 1979, PP. 90-113.}{Deposit:: FRANKEL, J.J. MANGANESE ORES FROM THE KURUMAN DISTRICT, UP-}{Deposit:: -PER CAPE PROVINCE. SOUTH AFRICA ECON. GEOL. V. 53,}{Deposit:: 1958, PP. 577-597.}{Deposit:: HAMMERBECK, E.C.I. AND J.J. TALJAARDT. MANGANESE.(IN) MIN-}{Deposit:: -ERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA. HAND-}{Deposit:: -BOOK, 7.(C.B. COETZZEE, ED.). PRETORIA, 1976,}{Deposit:: PP. 167-172.}{Deposit:: NATIONAL MATERIALS ADVISORY BOARD. NATIONAL ACADEMY OF SCI-}{Deposit:: -ENCE-NATIONAL RESEARCH COUNCIL. MANGANESE RESOURCES OF}{Deposit:: THE WORLD AND THEIR INDUSTRIAL IMPLECATIONS. NMAB-374,}{Deposit:: WASHINGTON D.C. 1981, PP. 186-200.}{Deposit:: PELLETIER. R.A. MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA.}{Deposit:: OXFORD UNIVERSITY PRESS, LONDON. 1964, P. 98}{Deposit:: STREIDER, PETER. SOUTH AFRIC* ROLE IN WORLD MANGANESE.}{Deposit:: PRES. AT SOUTHERN AFRICAN METALS AND MINERALS CONFER-}{Deposit:: ENCE. JOHANNESBURG, MAY 12, 1981, 15 PP.}{Deposit:: TALJAARDT, J.J. MAJOR MANGANESE FIELDS, REPUBLIC OF SOUTH}{Deposit:: AFRICA. JOHANNESBURG, NOV. 1979, UPDATED NOV. 1982.}{Deposit:: U.S. DEPT. OF STATE. SOUTH AFRIC* MANGANESE SECTOR. AIR-}{Deposit:: -GRAM A-30. JOHANNESBURG, APR. 30, 1982, 53 PP.}
ReporterCoffman, Joe