The Beaverhead Prospect is a thorium mine located in Lemhi county, Idaho at an elevation of 7,500 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: 7,500 Feet (2,286 Meters)
Commodity: Thorium
Lat, Long: 44.9467, -113.46830
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.
Beaverhead Prospect MRDS details
Site Name
Primary: Beaverhead Prospect
Commodity
Primary: Thorium
Tertiary: REE
Location
State: Idaho
County: Lemhi
District: Mcdevitt District
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
Not available
Ownership
Owner Name: D. B. Lewis
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
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: IRREGULAR, SPORADIC DISTRIBUTION
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Silicification
Rocks
Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Thorite
Ore: Monazite
Gangue: Feldspar
Gangue: Apatite
Gangue: Barite
Gangue: Quartz
Gangue: Specularite
Comments
Comment (Location): On Continental Divide Less Than Midway Between Wonder Lode No. 18 And The Cago Group; Close To W Side Of Dandy Group.
Comment (Commodity): Veins Are Highly Radioactive
Comment (Deposit): Several Small Veins
References
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 Pamphlet 115, 81 P
Reference (Deposit): 1958 Recon Idaho Bureau Of Mines And Geology Pamphlet 11
Reference (Deposit): Earth Deposits In The Salmon Region, Lemhi County, Idaho: Idaho Bureau Of Mines And Geol. Pamphlet 115, P. 72.
Reference (Deposit): Bearing Veins, Lemhi Pass Quadrangle, Idaho And Montana: U.S. Geological Survey Bulletin 1351, Table 2, No. 64, P. 46; Plate 1. Note: This Reference Shows The Prospect In Montana (See 0300010131).
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.
