The Fox Hills Outcrop is a coal mine located in Boulder county, Colorado at an elevation of 5,499 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: 5,499 Feet (1,676 Meters)
Commodity: Coal
Lat, Long: 39.96472, -105.21389
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.
Fox Hills Outcrop MRDS details
Site Name
Primary: Fox Hills Outcrop
Commodity
Primary: Coal
Tertiary: Uranium
Location
State: Colorado
County: Boulder
District: Boulder-Weld Coal Field
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
Not available
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: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Colorado Piedmont
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Denver Basin, Front Range Uplift
Type: L
Description: Idaho Springs-Ralston Shear Zone
Alterations
Not available
Rocks
Name: Sandstone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cretaceous
Name: Sandstone
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: RANGE OF RADIOACTIVITY-0.1-0.25 MR/HR
Analytical Data: BACKGROUND RADIOACTIVITY-0.03-0.04 MR/HR
Materials
Gangue: Limonite
Comments
Comment (Location): WITHIN 1 MILE NORTH OF MARSHALL LAKE ; INFO FROM LAND.ST :(1975)
References
Reference (Deposit): SPENCER, F.D., 1961, BEDROCK GEOLOGY OF THE LOUISVILLE QUADRANGLE, COLORADO: USGS MAP GQ-151
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. 82
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
