The Stone Placer Mine is a uranium mine located in Jefferson county, Colorado at an elevation of 6,001 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: 6,001 Feet (1,829 Meters)
Commodity: Uranium
Lat, Long: 39.47056, -105.13750
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.
Stone Placer Mine MRDS details
Site Name
Primary: Stone Placer Mine
Secondary: Seven Devils Prospect
Commodity
Primary: Uranium
Location
State: Colorado
County: Jefferson
District: Waterton (Kassler) 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
Not available
Ownership
Not available
Production
Year: 1960
Time Period: 1958-1960
Material type: ORE U ACC
Description: Cp_Grade: ^0.44% U3o8
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year Last Production: 1960
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: Denver Basin, Front Range Uplift
Type: L
Description: Floyd Hill Fault Zone
Alterations
Not available
Rocks
Name: Diabase
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Name: Diabase
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Diabase
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Diabase
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Pitchblende
Comments
Comment (Location): DIRECTLY WEST OF SOUTH PLATTE RIVER ; INFO FROM LAND.ST :(1976)
References
Reference (Deposit): PETERSON, W.L., 1964, GEOLOGY OF THE PLATTE CANYON QUADRANGLE, COLORADO: USGS BULL. 1181-C
Reference (Production): NELSON-MOORE, ET. AL., 1978
Reference (Deposit): NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULL. 40, P. 195
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
