Mine detail: Key West

Previously called 'Copper King District'

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Location

Lat / long: 36.61805, -114.16692

Resource(M)

Primary: Nickel, Copper, Silver
Secondary: Platinum, Cobalt, Palladium
Tertiary: Zinc, Lead, Gold, Ruthenium, Osmium
Ore: Brochantite, Chalcanthite, Chalcopyrite, Chrysocolla, Cuprite, Erythrite, Garnierite, Magnetite, Malachite, Millerite, Pentlandite, Polydymite, Pyrite, Pyrrhotite
Gangue: Limonite, Microcline, Quartz
Orebody form: DISSEMINATED, PODS AND LENTICULAR MASES IN AMPHIBOLITE DIKE
Discovery year: 1897

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Production years: 1908-1935

Geology

Host type:Pegmatite
Associated type:Gneiss
Structure:Key West Thrust, A Fault Lies At A Depth Of 450 Ft At Key West, Numerous Small Faults
Tectonic:Basin And Range
Alteration processes:Peridotite Altered To Hornblende And Biotite

References

MRDSM045355
DEP10038079
Reference{Deposit:: BANCROFT, HOWLAND, 1910, PLATINUM IN SOUTHEASTERN NEVADA, IN CONTRIBUTIONS TO ECONOMIC GEOLOGY 1909: U.S. GEOLOGICAL SURVEY BULLETIN 430, P. 192-199.}{Deposit:: BEAL, L.H., 1965, GEOLOGY AND MINERAL DEPOSITS OF THE BUNKERVILLE MINING DISTRICT, CLARK COUNTY, NEVADA: NEVADA BUREAU OF MINES BULLETIN 63, P. 63-74.}{Deposit:: NEVADA BUREAU OF MINES AND GEOLOGY, OPEN FILE DATA, FILE NO. 23, ITEM NOS. 2 AND 3.}{Deposit:: NEEDHAM, A.B., SOULE, J.H., AND TRENGOVE, R.R., 1950, INVESTIGATION OF THE GREAT EASTERN NICKEL DEPOSIT, CLARK COUNTY, NEV.: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 4679, 5 P.}{Deposit:: CORNWALL, H.R., 1966, NICKEL DEPOSITS OF NORTH AMERICA: U.S. GEOLOGICAL SURVEY BULLETIN 1223, P. 46-47.}{Deposit:: LONGWELL, C.R., PAMPEYAN, E.H., BOWYER, BEN, AND ROBERTS, R.J., 1965, GEOLOGY AND MINERAL DEPOSITS OF CLARK COUNTY, NEVADA: NEVADA BUREAU OF MINES BULLETIN 62, P. 179.}{Deposit:: BOW, C.S., AND LOUCKS, R.R., 1991, THE KEY WEST MINE: A PROTEROZOIC MAGMATIC/HYDROTHERMAL NI-CU-PGE DEPOSIT IN NEVADA [ABS.]: PACIFIC NORTHWEST METALS & MINERALS CONFERENCE ABSTRACTS}{Production:: LONGWELL AND OTHERS, 1965,}{Reserve-Resource:: C. BOW, WRITTEN COMMUN. TO M.L. ZIENTEK, 1991}
ReporterBlair, Will N., Lyles, B.F. (Tingley, J.V.), Peterson, Jocelyn A.