Description
Clarke, Geologist For Lamco
Commodities
PrimaryIron
Commodity typeM
Deposit
Deposit sizeL
Orebody formFUNNEL-SHAPED SLAB, APEX DOWN
Materials
Ore mineralsGoethite, Hematite, Martite
GangueQuartz
Geology
Host rockMetasedimentary Rock,Iron Formation · Seca Valley Schist (700m) (Lower);Gbahm Ridge (250 M) Phyllite;Nimba Itabirite (250-400 M);Mt. Alpha (100 M) (Upper) Phylitte
StructureNortheast Strike; Dip 65-80 Nw, Coeneormable With Regional Trend; Sw Plunging Isoclinal Syncline
AlterationEpigenitic During Metamorphism
Economic & production
Development statusPast Producer
First production1963
Discovery year1955
Identification
Deposit ID10081083
MRDS IDW032783
Alternate namesMt. Nimba
RegionAF
Data scoreB
Coordinates7.50106, -8.49858
References
BERGE, J.W., ET. AL., 1977 GEOLOGY AND ORIGIN OF THE HEMATITE ORES OF THE NIMBA RANGE, LIBERIA: ECON. GEOL. V. 72, P. 582-607DEKUN, NICOLAS, 1965, THE MINERAL RESOURCES OF AFRICA: ELSENIER PUB. CO., AMSTERDAM 740 P.BERGE, T.W., 1974, GEOLOGY, GEOCHEMISTRY AND ORIGIN OF THE NIMBA HABRITE AND ASSOCIATED ROCKS, NIMBA COUNTY, LIBERIA: ECON GEOL. V. 69 P. 80-92.E/MJ 1978; WAR MINERALS REPORT 1976-1977.BERGE, 1974; E/MJ 1978