Mine detail: Empire Mine

Previously called 'Cossack TunnelIdaho Alta DriveCopper BullionAlbertaDarlington ShaftEmpire Copper Co.White KnobIdaho Metals Co.SultanaPhoenixVaught'

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Location

Lat / long: 43.89197, -113.66932

Resource(M)

Primary: Silver, Copper, Gold
Secondary: Tungsten, Molybdenum, Zinc
Tertiary: Lead
Ore: Bornite, Chalcocite, Chalcopyrite, Covellite, Cuprite, Galena, Malachite, Molybdenite, Scheelite, Sphalerite, Tenorite, Tetrahedrite, Powellite
Gangue: Calcite, Epidote, Fluorite, Gypsum, Magnetite, Pyrite, Pyroxene, Pyrrhotite, Quartz, Specularite, Wollastonite
Orebody form: LINEAR, IRREGULAR
Discovery year: 1884

Production

Operation type: Underground
Deposit type: Cu-Zn skarn deposit
Production size: Small
Development status: Past Producer
First production started: 1902

Geology

Host rock:White Knob Limestone; Marble, Tactite, Skarn
Host type:Skarn (Tactite),Limestone
Associated rock:Leucogranite Porphyry;Dike-Basalt
Associated type:Granite
Structure:Jointing, Faults
Alteration processes:Oxidation

References

MRDSW015690
MAS160370019
DEP10089294
Reference{Deposit:: Cook, E. F., 1956, Tungsten Deposits Of South-Central Idaho: Idaho Bureau Of Mines And Geology Pamphlet 108, 40 P.}{Deposit:: Griner, W. C., 1974, Seventy-First Annual Report Of The Mining Industry Of Idaho For 1973-1974}{Deposit:: Leland, G. R., 1957, General Geology And Mineralization Of The Mackay Stock Area: Moscow, Idaho, Univ. Of Idaho, M. S. Thesis, 71 P.}{Deposit:: Ross, C. P., 1930, Geology And Ore Deposits Of The Seafoam, Alder Creek, Little Smoky And Willow Creek Mining Districts, Custer And Camas Counties, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 33, 26 P.}{Deposit:: Minobras, 1975, Idaho Industrial Minerals: Minobras}{Deposit:: Hobbs, S. W., 1964, Mineral Resource-Tungsten, Idaho Bureau Of Mines And Geology Spec. Rept. No. 1, P. 223-233.}{Deposit:: Nelson, W. H., And Ross, C. P., 1968, Geology Of Part Of The Alder Creek Mining District, Custer County, Idaho: USGS Bull. 1252-A, 30 P.}{Deposit:: Umpleby, J. B., 1917, Geology And Ore Deposits Of The Mackay Region, Idaho: USGS Prof. Paper 97, 129 P.}{Deposit:: USBM, 1945-1951, Gold, Silver, Copper, Lead, And Zinc In Idaho: USBM Mineral Yearbooks For 1943-1949}{Deposit:: 1917 Geolmap Umpleby, J. B., Prof. Paper 97}{Deposit:: 1930 Geolmap Idaho Bureau Of Mines And Geology Pamphlet 33}{Deposit:: 1945 Compile USBM Mineral Yearbooks For 1943-1949}{Deposit:: 1956 Recon Idaho Bureau Of Mines And Geology Pamphlet 108}{Deposit:: 1964 Compile Idaho Bureau Of Mines And Geology Spec. Rept. No. 1}{Deposit:: 1968 Geolmap Nelson, W. H. And Ross, C. P., Bull. 1252-A}{Deposit:: 1974 Compile State Mine Inspecto* Report For 1973-1974}{Deposit:: Chang, Zahoshan, and Meinert, L.D., 2010, The Empire Mine, Idaho: Exploration implications of unusual skarn features related to high fluorine activity: Economic Geology v. 103, 909-938.}{Production:: Item 1, Cook, E. F., 1956, Idaho Bureau Of Mines And Geology Pamphlet 108; Items 2, 8-12, Leland, G. R., 1957, Univ. Idaho M. S. Thesis; Item 8 Grade, Umpleby, J. B., 1917, USGS Prof. Paper 97; Items 3-7, 13, Usbm, 1945-1951, Mineral Yearbooks For 1943-1949}
ReporterSteigner, William D.; Miller, Pat, McHugh, Edward L., King, Robert U., Causey, J. Douglas