Location: | Gabon, Africa |
Lat / long: | -1.56495, 13.28475 |
dep_id: | 10079682 |
mrds_id: | W029761 |
Commodity type: | metallic |
Major mineral: | Manganese |
Operation type: | Unknown |
Deposit type: | Stratabound |
Production size: | Production occurred |
Development status: | Producer |
ore: | Lithiophorite, Manganite, Polianite, Pyrolusite, Rhodochrosite |
gangue: | Illite, Kaolinite, Limonite |
orebody_fm: | BLANKET |
conc_proc: | Primary Sedimentary And Secondary Enrichment |
Reporter: | Krauss, Ulrich H., Orris, Greta J. |
hrock_unit: | 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 |
hrock_type: | Black Shale |
arock_type: | Syenite,Plutonic Rock |
tectonic: | Stable Prec Craton |
Year first produced: | 1962 |
disc_yr: | 1934 |
discr: | Choubert, B. & Berge, J. |
References: |
- 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
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