Description
Choubert, B. & Berge, J.
Commodities
PrimaryManganese
Commodity typeM
Deposit
Deposit typeStratabound
Deposit sizeY
Orebody formBLANKET
Materials
Ore mineralsLithiophorite, Manganite, Polianite, Pyrolusite, Rhodochrosite
GangueIllite, Kaolinite, Limonite
Geology
Host rockBlack Shale · Francevillian, Transition Zone 0.5-1.0 M Thick Containing Ore;Francevillian, Plaquette-Ore 5 M Thick;Francevillian, Compact Layer Of Ore 0.1-0.5 M Thick;Bituminous Schists
Associated rockSyenite,Plutonic Rock
Tectonic settingStable Prec Craton
Economic & production
Development statusProducer
First production1962
Discovery year1934
Identification
Deposit ID10079682
MRDS IDW029761
Alternate namesBangombe, Okouma, Okoumadzoundou, Ogooue
RegionAF
Data scoreB
Coordinates-1.56495, 13.28475
References
WEISS, S. 1977: MANGANESE THE OTHER USES. METAL BULL. BOOKS LTD. LONDONSCHWARTZ, M. 1976: ROHSTOFFWIRTSCHAFTLICHE LAENDERBERICHTE NO.9 GABUN, VR-KONGO UND KAMERUN. BGR, HANNOVER 1976WEBER, F.1973: GENESIS AND SUPERGENE EVOLUTION OF THE PRECAMBRIAN SEDIMENTARY MANGANESE DEPOSIT AT MOANDA (GABON) UNESCO, PROC. KIEV. SYMPOS, 1970DEYOUNG AND OTHERS, 1984: U.S. GEOLOGICAL SURVEY CIRCULAR 930-A, 22 P.SKILLINGS, 15.5.76 INDUSTRIES ET TRAVAUX D'OUTRE MER AUGUST 1974WEISS, S. 1976 MANGANESE THE OTHER USES P.58