Mine detail: Hercules Mine

Previously called ''

<< Back to the map

Location

Lat / long:

47.54297, -115.81822

Resource(M)

Primary:	Lead, Zinc, Silver
Secondary:	Copper
Tertiary:	Nickel, Gold
Ore:	Chalcopyrite, Galena, Sphalerite, Tetrahedrite, Cerussite
Gangue:	Hematite, Magnetite, Marcasite, Pyrite, Pyrrhotite, Siderite, Arsenopyrite, Biotite, Andradite, Grunerite, Adularia, Chlorite, Actinolite
Orebody form:	PINCH AND SWELL
Discovery year:	1889

Production

Operation type:	Underground
Deposit type:	REPLACEMENT VEIN
Production size:	Medium
Development status:	Past Producer
Production years:	1901-1925, 1930-1931, 1934-1935, 1937-1938, 1941, 1945-1960, 1962, 1964-1965
First production started:	1901

Geology

Host rock:	Burke Formation, Prichard Formation
Host type:	Quartzite
Structure:	West Limb of Burke Anticline, Hercules-Mercury Fault a shear zone cutting west limb of Burke Anticline. Fault steepens and splays at depth. This fault is complementary to a set of NS faults that join the Osburn and Thompson Pass faults.

References

MRDS	W026644
DEP	10078354
Reference	{Deposit:: UMPLEBY, J. B., AND JONES, E. L., JR., 1923 , GEOLOGY AND ORE DEPOSITS OF SHOSHONE COUNTY, IDAHO: USGS BULL. 732 , 156 P.}{Deposit:: FRYKLUND, V. C., JR., 1964 , ORE DEPOSITS OF THE COEUR *LENE DISTRICT, SHOSHONE COUNTY, IDAHO: USGS PROF. PAPER 445 , 103 P.}{Deposit:: RANSOME, F. L., AND CALKINS, F. C., 1908 , THE GEOLOGY AND ORE DEPOSITS OF THE COEUR *LENE DISTRICT, IDAHO: USGS PROF. PAPER 62 , 203 P.}{Deposit:: RANSOME, F. L., 1905 , ORE DEPOSITS OF THE COEUR *LENE DISTRICT, IDAHO: USGS BULL. 260 , P. 274 - 303 .}{Deposit:: GRIGGS, A. B., 1952 , GEOLOGY AND NOTES ON ORE DEPOSITS OF CANYON - NINE MILE CREEKS AREA, SHOSHONE COUNTY, IDAHO: USGS OPEN-FILE REPT., 108 P.}{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.}{Production:: Long, 1998}
Reporter	Long, Keith R., Kauffman, John D., Hasler, J. William, Miller, Pat J.