Mine detail: Gemmill Prospect

Previously called 'Olson'

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Location

Lat / long: 46.71876, -116.69883

Resource(M)

Primary: Copper, Gold, Silver
Ore: Bornite, Chalcocite, Chalcopyrite, Covellite
Gangue: Diopside, Epidote, Garnet, Pyrite, Pyrrhotite, Quartz
Orebody form: IRREGULAR

Production

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

Geology

Host rock:Belt Supergroup
Host type:Schist,Gneiss,Limestone
Associated rock:Granodiorite Or Granite
Associated type:Diorite
Alteration processes:Sericitization, Kaolinization

References

MRDSW015925
DEP10072087
Reference{Deposit:: EASTMAN, E. A., 1925, A GEOLOGICAL STUDY OF THE COPPER OUTCROPS NEAR TROY, IDAHO: MOSCOW, IDAHO, UNIV. OF IDAHO, B. S. THESIS, 15 P.}{Deposit:: HUBBARD, C. R., 1956, IDAHO BUREAU OF MINES AND GEOLOGY OPEN-FILE REPT., 1 P.}{Deposit:: HUBBARD, C. R., 1957, MINERAL RESOURCES OF LATAH COUNTY: IDAHO BUREAU OF MINES AND GEOLOGY COUNTY REPT. 2, 29 P.}{Deposit:: 1919 OTHER US BUR MINES, BULL. 166}{Deposit:: 1956 RECON IDAHO BUREAU OF MINES AND GEOLOGY OPEN-FILE REPT.}{Deposit:: 1957 OTHER IDAHO BUREAU OF MINES AND GEOLOGY CO. REPT. 2}
ReporterMiller, Pat J.