The John Spalding is a barium-barite and thorium mine located in Custer county, Colorado at an elevation of 8,301 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: 8,301 Feet (2,530 Meters)
Commodity: Barium-Barite, Thorium
Lat, Long: 38.22889, -105.26806
Map: View on Google Maps
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John Spalding MRDS details
Site Name
Primary: John Spalding
Secondary: Spaulding
Commodity
Primary: Barium-Barite
Primary: Thorium
Secondary: Lead
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: John Spalding
Home Office: Ilse Route, Canon City, Co
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Surface-Underground
Discovery Year: 1951
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Model Name: Thorium-rare-earth veins
Orebody
Form: TABULAR
Structure
Type: R
Description: Wet Mountains
Type: L
Description: Shear Zone
Alterations
Not available
Rocks
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Granite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Analytical Data
Analytical Data: .002% U308, .03% EQUIV. TH02
Materials
Ore: Thorite
Gangue: Galena
Gangue: Barite
Gangue: Serpentine
Gangue: Chlorite
Gangue: Quartz
Gangue: Hematite
Comments
Comment (Location): SOUTH OF OAK CREEK ; INFO FROM LAND.ST :(1976)
Comment (Workings): SHAFT, 5 PROSPECT PITS
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. 27.
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
Reference (Deposit): NELSON-MOORE, J.L., COLLINS, D.B.AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULLETIN 40, P. 121-122.
Colorado Mining Photos
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