Mine detail: Key East

Previously called 'Copper Key'

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Location

Lat / long: 48.71013, -118.55252

Resource(M)

Primary: Gold, Silver, Copper, Iron
Ore: Chalcopyrite, Magnetite, Pyrite, Pyrrhotite
Gangue: Chlorite, Sericite

Production

Operation type: Unknown
Production size: None
Development status: Occurrence

Geology

Host type:Argillite,Siltstone,Limestone,Chert
Associated type:Rhyodacite
Tectonic:Permian-Triassic Metasedimentary And Metavolcanic Rocks Are Preserved In The Republic Graben East And Northeast Of Republic. They Are Locally Cut By Eocene Epizonal Plutons And Associated Sills And Dikes (Muessig, 1967, Geol. Map).

References

MRDSSP00081
DEP10093001
Reference{Deposit:: WDGER OFR 90-18}{Deposit:: BANCROFT, HOWLAND, 1914, THE ORE DEPOSITS OF NORTHEASTERN WASHINGTON; U.S. GEOLOGICAL SURVEY BULLETIN 550, 215 P.}{Deposit:: GLOVER, S.L., 1942, WASHINGTON IRON ORES, A SUMMARY REPORT: WASHINGTON DIVISION OF MINES AND MINING REPORT OF INVESTIGATIONS 2, 23 P.}{Deposit:: HUNTTING, M. T., 1956, INVENTORY OF WASHINGTON MINERALS-PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, 428 P.; V. 2, 67 P.}{Deposit:: MUESSIG, SIEGFRIED, 1967, GEOLOGY OF THE REPUBLIC QUADRANGLE AND PART OF THE AENEAS QUADRANGLE, FERRY COUNTY, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1216, 135 P., 1 PL.}{Deposit:: SHEDD, SOLON; JENKINS, O.P.; COOPER, H.H., 1922, IRON ORES, FUELS, AND FLUXES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY BULLETIN 27, 160 P., 1 PL.}{Deposit:: TSCHAUDER, R.J., 1989, GOLD DEPOSITS IN NORTHERN FERRY COUNTY, WASHINGTON. IN JOSEPH, N.L. AND OTHERS; EDITORS, GEOLOGIC GUIDEBOOK FOR WASHINGTON AND ADJACENT AREAS: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES INFORMATION CIRCULAR 86, P. 241-253.}
ReporterBerger, Mary A., Frank, Dave