Idaho · Shoshone County
Past Producer

Polaris Mine

Shoshone County, Idaho, United States
SilverCopperLeadZincAntimonyGold
⌖ Show on mapUSGS source ↗
Description

W.B. Heyburn and others

Commodities
PrimarySilver
SecondaryCopper, Lead, Zinc, Antimony
TertiaryGold
Commodity typeM
Deposit
Deposit typeHYDROTHERMAL VEIN AND REPLACEMENT
Model{85: Polymetallic veins}
Deposit sizeM
Orebody formPINCH AND SWELL
Ore control"Veins in fractures in footwall and hangingwall of Polaris Fault", "Short, narrow, lensy sphalerite-pyrite-galena orebodies in Wallace Formation"
Materials
Ore mineralsTetrahedrite, Galena, Sphalerite, Chalcopyrite
GangueSiderite, Quartz, Pyrite, Arsenopyrite
Geology
Host rockQuartzite · "Wallace Formation", "St. Regis Formation"
Structure"Polaris Fault"
Tectonic setting"Belt Basin"
Economic & production
Development statusPast Producer
Production years1887-1889, 1891, 1895, 1905, 1916-1917, 1919-1923, 1936-1955, 1957
First production1887
Last production1957
Discovery year1884
Identification
Deposit ID10266230
RegionNA
Data scoreB
Coordinates47.50317, -116.05273
References
{Deposit:: WILLARD, MAX EMERY, 1938, THE MINERALIZATION AT POLARIS MINE, SHOSHONE COUNTY, IDAHO: MOSCOW, UNIVERISTY OF IDAHO, MS THESIS, 30 P.}{Deposit:: WILLARD, E.M., 1941, MINERALIZATION AT THE POLARIS MINE: ECONOMIC GEOLOGY, V. 36, NO. 5, P. 539-550}{Deposit:: JULIHN, C.E., AND HORTON, F.W., 1936, THE SILVER BELT AND THE SUNSHINE MINE OF THE COEUR D'ALENE DISTRICT: U.S. BUREAU OF MINES INFORMATION CIRCULAR 6876, P. 14}{Deposit:: SORENSON, R.E., 1951, SHALLOW EXPRESSIONS OF SILVER BELT ORE SHOOTS, COEUR D'ALENE DISTRICT, IDAHO: MINING ENGINEERING, V. 3, NO. 7, P. 605-611.}{Deposit:: SHANNON, E.V., 1926, THE MINERALS OF IDAHO: U.S. NATIONAL MUSEUM BULLETIN 131, P. 99, 166.}{Deposit:: UMPLEBY, J.B. AND JONES, E.L., JR., 1923, GEOLOGY AND ORE DEPOSITS OF SHOSHONE COUNTY, IDAHO: U.S. GEOLOGICAL SURVEY BULLETIN 732, P. 88-89.}{Deposit:: Fryklund, V.C., Jr., 1964, Ore deposits of the Coeur d'Alene district, Shoshone County, Idaho: U.S. Geological Survey Professional Paper 445, 103 p.}{Production:: Mitchell, V.E., and Bennett, E.H., 1983, Production statistics for the Coeur d'Alene mining district, Shoshone County, Idaho, 1884-1980: Idaho Geological Survey Technical Report 83-3, 33 p.}