Mine detail: Moanda

Previously called 'BangombeOkoumaOkoumadzoundouOgooue'

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Location

Lat / long:

-1.56495, 13.28475

Resource(M)

Primary:	Manganese
Ore:	Lithiophorite, Manganite, Polianite, Pyrolusite, Rhodochrosite
Gangue:	Illite, Kaolinite, Limonite
Orebody form:	BLANKET
Discovery year:	1934

Production

Operation type:	Unknown
Deposit type:	Stratabound
Production size:	Yes
Development status:	Producer
First production started:	1962

Geology

Host rock:	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
Host type:	Black Shale
Associated type:	Syenite,Plutonic Rock
Tectonic:	Stable Prec Craton

References

MRDS	W029761
DEP	10079682
Reference	{Deposit:: WEISS, S. 1977: MANGANESE THE OTHER USES. METAL BULL. BOOKS LTD. LONDON}{Deposit:: SCHWARTZ, M. 1976: ROHSTOFFWIRTSCHAFTLICHE LAENDERBERICHTE NO.9 GABUN, VR-KONGO UND KAMERUN. BGR, HANNOVER 1976}{Deposit:: WEBER, F.1973: GENESIS AND SUPERGENE EVOLUTION OF THE PRECAMBRIAN SEDIMENTARY MANGANESE DEPOSIT AT MOANDA (GABON) UNESCO, PROC. KIEV. SYMPOS, 1970}{Deposit:: DEYOUNG AND OTHERS, 1984: U.S. GEOLOGICAL SURVEY CIRCULAR 930-A, 22 P.}{Production:: SKILLINGS, 15.5.76 INDUSTRIES ET TRAVAUX *UTRE MER AUGUST 1974}{Reserve-Resource:: WEISS, S. 1976 MANGANESE THE OTHER USES P.58}
Reporter	Krauss, Ulrich H., Orris, Greta J.