Mine detail: Nimba

Previously called 'Mt. Nimba'

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Location

Lat / long:

7.50106, -8.49858

Resource(M)

Primary:	Iron
Ore:	Goethite, Hematite, Martite
Gangue:	Quartz
Orebody form:	FUNNEL-SHAPED SLAB, APEX DOWN
Discovery year:	1955

Production

Operation type:	Unknown
Production size:	Large
Development status:	Past Producer
First production started:	1963

Geology

Host rock:	Seca Valley Schist (700m) (Lower);Gbahm Ridge (250 M) Phyllite;Nimba Itabirite (250-400 M);Mt. Alpha (100 M) (Upper) Phylitte
Host type:	Metasedimentary Rock,Iron Formation
Structure:	Northeast Strike; Dip 65-80 Nw, Coeneormable With Regional Trend; Sw Plunging Isoclinal Syncline
Alteration processes:	Epigenitic During Metamorphism

References

MRDS	W032783
DEP	10081083
Reference	{Deposit:: BERGE, J.W., ET. AL., 1977 GEOLOGY AND ORIGIN OF THE HEMATITE ORES OF THE NIMBA RANGE, LIBERIA: ECON. GEOL. V. 72, P. 582-607}{Deposit:: DEKUN, NICOLAS, 1965, THE MINERAL RESOURCES OF AFRICA: ELSENIER PUB. CO., AMSTERDAM 740 P.}{Deposit:: 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.}{Deposit:: E/MJ 1978; WAR MINERALS REPORT 1976-1977.}{Production:: BERGE, 1974; E/MJ 1978}
Reporter	Gassaway, Judith, S.