Black Bear Fraction Mine

The Black Bear Fraction Mine is a zinc, lead, and silver mine located in Shoshone county, Idaho at an elevation of 3,474 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Black Bear Fraction Mine

Commodity

Primary: Zinc
Primary: Lead
Primary: Silver
Tertiary: Copper

Location

State: Idaho
County: Shoshone
District: Coeur D'Alene District

Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Type: Surface/Underground

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1927
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Bitterroot Mountains - Coeur D'Alene Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Analytical Data

Analytical Data: EARLY (PRE-1923) ORE CONTAINED 6-8% PB, 10-15% ZN, 2-3 OZ/TON AG

Materials

Ore: Galena
Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Pyrrhotite
Gangue: Siderite
Gangue: Quartz
Gangue: Marcasite
Gangue: Pyrite
Gangue: Ankerite
Gangue: Magnetite

Comments

Comment (Location): BETWEEN BLACK BEAR AND FRISCO

Comment (Production): GIVEN PRODUCTION FIGURES ARE INCOMPLETE AND MAY ALSO INCLUDE SOME OF PRODUCTION OF BLACK BEAR.

Comment (Deposit): DEPTHS TO TOP, BOTTOM, ARE EXPRESSED IN ELEVATION. MINE IN THE GEM-GOLD HUNTER MINERAL BELT.

Comment (Workings): DEPTH AND LENGTH BELOW SURFACE 1923 FIGURES.

References

Reference (Deposit): FRYKLUND, V. C., JR. 1964 , ORE DEPOSITS OF THE COEUR D'ALENE DISTRICT, SHOSHONE COUNTY, IDAHO: USGS PROF. PAPER 445 , 103 P.

Reference (Deposit): GRIGGS, A. B., 1952 , GEOLOGY AND NOTES ON ORE DEPOSITS IN CANYON-NINE MILE CREEKS AREA, SHOSHONE COUNTY, IDAHO: USGS OPEN FILE REPT., 108 P.

Reference (Deposit): UMPLEBY, J. B., AND JONES, E. L., JR., GEOLOGY AND ORE DEPOSITS OF SHOSHONE COUNTY, IDAHO: USGS BULL. 732 , 156 P.

Reference (Deposit): 1923 GEOLMAP UMPLEBY AND JONES, BULL. 732

Reference (Deposit): 1952 GEOLMAP A. B. GRIGGS, OPEN FILE REPT.

Reference (Deposit): 1964 OTHER V. C. FRYKLUND, PROF. PAPER 445

Reference (Production): GRIGGS, A. B., 1952 , USGS OPEN-FILE REPT., 108 P.

Idaho Gold

"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more: Where to Find Gold in Idaho.