Mine detail: Sherman Mine

Previously called 'Oreano MineUnion Mine'

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Location

Lat / long: 47.52497, -115.82242

Resource(M)

Primary: Lead, Silver
Secondary: Zinc
Tertiary: Copper, Gold
Ore: Chalcopyrite, Galena, Sphalerite, Pyromorphite
Gangue: Calcite, Magnetite, Pyrite, Pyrrhotite, Quartz
Orebody form: PINCH AND SWELL
Discovery year: 1887

Production

Operation type: Underground
Deposit type: HYDROTHERMAL VEIN AND REPLACEMENT
Production size: Medium
Development status: Past Producer
Production years: 1927-1931, 1937-1960, 1963-1967, 1969-1970
First production started: 1927
Last production ended: 1970

Geology

Host rock:Burke Formation
Host type:Quartzite
Associated rock:Prichard Formation
Associated type:Meta-Argillite
Tectonic:Belt Basin
Alteration processes:Green Biotite

References

MRDSW026648
DEP10078356
Reference{Deposit:: Hobbs, S. W., And Others, 1965 , Geology Of The Coeur *lene District, Shoshone County, Idaho: USGS Prof. Paper 478 , 139 P.}{Deposit:: FRYKLUND, V. C., JR., 1964 , ORE DEPOSITS OF THE COEUR *LENE DISTRICT, SHOSHONE COUNTY, IDAHO: USGS PROF. PAPER 445 , 103 P.}{Deposit:: Hollister, V.F., 1950, File memo, Sherman mine, Shoshone County, Idaho. [USGS Hollister Files, Spokane, Washington]}{Deposit:: Shenon, P.J., Full, R.P., and Gerwels, R.P., 1952, Geologic study of the Wallace-Burke-Mullan Area, Lelande and Hunter mining districts, Shoshone County, Idaho, 81 p. [Idaho Geological Survey Files]}{Deposit:: Day, H.L., 1926, Report on Sherman Lead Co. to Jerome J. Day, 8 p. [Univeristy of Idaho, Special Collections, Day Mines Files]}{Production:: Mitchell, V.E., and Bennett, E.H., 1983, Production statistics for the Coeur *lene mining district, Shoshone County, Idaho, 1884-1980: Idaho Geological Survey Technical Report 83-3, 33 p.}
ReporterHasler, J. William, Kaufman, Long, Keith R., Miller, Pat J.