The Pine Tree Claim is a thorium mine located in Custer county, Colorado at an elevation of 8,848 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: 8,848 Feet (2,697 Meters)
Commodity: Thorium
Lat, Long: 38.18667, -105.28944
Map: View on Google Maps
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Pine Tree Claim MRDS details
Site Name
Primary: Pine Tree Claim
Secondary: Greenwood Property
Commodity
Primary: Thorium
Secondary: Barium-Barite
Location
State: Colorado
County: Custer
District: Wet Mountains Area
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
Owner Name: Klein, William And Jones, Fred
Years: 1953 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Discovery Year: 1952
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Model Name: Thorium-rare-earth veins
Orebody
Not available
Structure
Type: R
Description: Wet Mountains
Type: L
Description: Nw-Trending Shear Zones
Alterations
Not available
Rocks
Name: Gneiss
Role: Host
Age Type: Host Rock
Age Young: Paleoproterozoic
Name: Gneiss
Role: Host
Age Type: Host Rock Unit
Age Young: Paleoproterozoic
Analytical Data
Analytical Data: .008 TO .058% EQUIV. U, .001 TO .002% U, .03 TO .32% EQUIV. TH02
Materials
Ore: Thorite
Ore: Barite
Gangue: Specularite
Gangue: Quartz
Gangue: Galena
Gangue: Fluorite
Gangue: Limonite
Gangue: Pyrite
Comments
Comment (Workings): FIVE SHAFTS, TWO PROSPECT PITS; UNDERGROUND WORKINGS MOSTLY CAVED OR FILLED WITH WATER
Comment (Location): ON GREENWOOD PROPERTY, THREE MILES NORTH OF THE HAPUTA RANCH; NORTH OF BEAR GULCH AND NW OF DRY LAKE ; INFO FROM LAND.ST :1976
Comment (Commodity): PURE THORITE G.T. 2 INCHES IN DIAMETER FOUND IN BARITE MASSES
Comment (Production): 400 LBS OF HAND-SORTED THORITE REPORTEDLY PRODUCED
Comment (Geology): THORIUM OCCURS AS COATINGS OR DISSEMINATED THROUGH DIKES
Comment (Deposit): Discovery Year: EARLY 1950'S
References
Reference (Deposit): CHRISTMAN, R.A., HEYMAN, A.M., DELLWIG, L.F, AND GOTT, G.B., 1953, THORIUM INVESTIGATIONS 1950-52, WET MOUNTAINS, COLORADO: USGS CIRCULAR 290, P. 17-19.
Reference (Deposit): CHRISTMAN, R.A., BROCK, M.R., PEARSON, R.C., AND SINGEWALD, Q.D., 1959, GEOLOGY AND THORIUM DEPOSITS OF THE WET MOUNTAINS, COLORADO, A PROGRESS REPORT: USGS BULLETIN 1072-H, P. 525-526
Reference (Deposit): BROCK, M.R. AND SINGEWALD, Q.D., 1968, GEOLOGIC MAP OF THE MOUNT TYNDALL QUADRANGLE, CUSTER COUNTY, COLORADO: USGS MAP GQ-596, 1:24,000
Colorado Mining Photos
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