The Colexco No. 1-43 Claims is a uranium mine located in Fremont county, Colorado at an elevation of 6,499 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: 6,499 Feet (1,981 Meters)
Commodity: Uranium
Lat, Long: 38.56621, -105.26640
Map: View on Google Maps
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Colexco No. 1-43 Claims MRDS details
Site Name
Primary: Colexco No. 1-43 Claims
Secondary: Red Cliff 30
Commodity
Primary: Uranium
Secondary: Vanadium
Tertiary: Manganese
Location
State: Colorado
County: Fremont
District: Canon City Embayment, Fourmile Creek 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
Not available
Ownership
Not available
Production
Year: 1967
Time Period: 1960-1967
Material type: ORE U3O8
Description: Cp_Grade: ^0.08 % U308
Year: 1960
Material type: ORE U3O8
Description: Ap_Grade: ^0.22 % U308
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
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
Not available
Orebody
Not available
Structure
Type: R
Description: Southern Colorado Front Range, Canon City Embayment
Type: L
Description: Ne-Trending Syncline
Alterations
Alteration Type: L
Alteration Text: Silicification
Rocks
Name: Sandstone
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Sandstone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cretaceous
Analytical Data
Analytical Data: 0.010 TO .094 % EU AND 0.080 TO 0.92 % U. ABOUT 0.1 % V205 AND 0.010 TO 0.521 % MN REPORTED.
Analytical Data: RADIOACTIVITY 2 TO 60 TIMES BACKGROUND
Materials
Ore: Uranophane
Ore: Carnotite
Gangue: Iron
Comments
Comment (Location): SOUTH OF RED CANYON PARK ; INFO FROM LAND.ST :(1976)
Comment (Production): MINED FROM RED CLIFF 30 CLAIM
Comment (Development): SOME PROSPECTING AND SURFACE WORK HAVE BEEN CARRIED OUT.
Comment (Commodity): MINERALIZATION OFTEN FOUND ASSOCIATED WITH NODULES AND CONCRETIONS
References
Reference (Deposit): NELSON-MOORE, J.L., COLLINS, D.B. AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULLETIN 40, P. 145-146.
Reference (Deposit): WOBUS, R.A., EPIS, R.C. AND SCOTT, G.R., 1979, GEOLOGIC MAP OF THE COVER MOUNTAIN QUADRANGLE, FREMONT, PARK, AND TELLER COUNTIES, COLORADO: USGS MAP I-1179, 1:62,500.
Reference (Production): NELSON-MOORE AND OTHERS, 1978
Colorado Mining Photos
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