The Black Bear Prospect is a uranium, ree, and thorium mine located in Lemhi county, Idaho at an elevation of 6,699 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
Elevation: 6,699 Feet (2,042 Meters)
Commodity: Uranium, REE, Thorium
Lat, Long: 44.9622, -113.50110
Map: View on Google Maps
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.
Black Bear Prospect MRDS details
Site Name
Primary: Black Bear Prospect
Commodity
Primary: Uranium
Primary: REE
Primary: Thorium
Location
State: Idaho
County: Lemhi
District: Lemhi Pass Area
Land Status
Land ownership: BLM Administrative Area
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
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
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: Beaverhead Mountains
Mineral Deposit Model
Not available
Orebody
Form: LENTICULAR
Structure
Type: L
Description: Fault
Alterations
Alteration Type: L
Alteration Text: Chlorite
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: 1 CHIP SAMPLE HAD 0.082% THO2
Materials
Ore: Euxenite
Ore: Pyrolusite
Ore: Pyromorphite
Ore: Wulfenite
Ore: Rutile
Ore: Monazite
Ore: Thorite
Gangue: Apatite
Gangue: Feldspar
Gangue: Biotite
Gangue: Microcline
Gangue: Quartz
Comments
Comment (Location): HIGH ON S SLOPE OF AGENCY CREEK ON A SMALL TRIBUTARY THAT JOINS AGENCY CREEK NOT FAR E OF WHITE CREEK
Comment (Commodity): SOME OF DEPOSIT HAS HIGH RADIOACTIVITY
Comment (Development): 11 CLAIMS OR MORE
Comment (Workings): 2 PROSPECT PITS
Comment (Geology): DIKE STRIKES N30 DEG W AND DIPS 60 DEG SW
References
Reference (Deposit): STAATZ, M. H., 1972, GEOLOGY AND DESCRIPTION OF THE THORIUM-BEARING VEINS, LEMHI PASS QUADRANGLE, IDAHO AND MONTANA: USGS BULL. 1351, 94 P.
Reference (Deposit): 1958 RECON IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 115
Reference (Deposit): 1961 RECON IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 124
Reference (Deposit): 1972 GEOLMAP STAATZ, M. H., BULL. 1351
Reference (Deposit): ANDERSON, A.L., 1961, GEOLOGY AND MINERAL RESOURCES OF THE LEMHI QUADRANGLE, LEMHI COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 124, 107 P.
Reference (Deposit): ANDERSON, A. L., 1958, URANIUM, THORIUM, COLUMBIUM, AND RARE EARTH DEPOSITS IN THE SALMON REGION, LEMHI COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPH 115, 81 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.
