The Little Dandy No. 5 Deposit is a thorium mine located in Lemhi county, Idaho at an elevation of 7,598 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: 7,598 Feet (2,316 Meters)
Commodity: Thorium
Lat, Long: 44.9478, -113.46560
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.
Little Dandy No. 5 Deposit MRDS details
Site Name
Primary: Little Dandy No. 5 Deposit
Secondary: Lucky R
Commodity
Primary: Thorium
Tertiary: Fluorine-Fluorite
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 Year: 1955
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: SPOTTY DISTRIBUTION
Structure
Not available
Alterations
Alteration Type: L
Alteration: Oxidation
Rocks
Name: Quartzite
Role: Host
Description: Impure Quartzite
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Quartzite
Role: Host
Description: Impure Quartzite
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: 0.047% TH
Materials
Ore: Thorite
Ore: Fluorite
Gangue: Pyrite
Gangue: Specularite
Gangue: Muscovite
Gangue: Iron
Gangue: Quartz
Comments
Comment (Location): Adjoins Wonder No. 18 Claim On The S
Comment (Commodity): Locally High Radioactivity Where Vein Shows Yellowish Oxidation Products.
Comment (Development): 5 Claims On Idaho Side Of The Continental Divide
Comment (Geology): Original alteration entry: Local - Oxidation
Comment (Geology): Original ore control entry: Fracture Zone
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): Staatz, M. H., 1972, Geology And Description Of The Thorium-Bearing Veins, Lemhi Pass Quadrangle, Idaho-Montana: USGS Bulletin 1351, 94 P.
Reference (Deposit): V.E. Mitchell, Et. Al; Mines And Prospects Map Series, 1981, Dubois Quad, Location No. 93 And 94.
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.
