The Johnson Lease is a uranium and vanadium mine located in Moffat county, Colorado at an elevation of 6,201 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: 6,201 Feet (1,890 Meters)
Commodity: Uranium, Vanadium
Lat, Long: 40.54333, -107.99028
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.
Johnson Lease MRDS details
Site Name
Primary: Johnson Lease
Commodity
Primary: Uranium
Primary: Vanadium
Location
State: Colorado
County: Moffat
District: Maybell District
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
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Geophysical Anomaly
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Wyoming Basin
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Washakie Basin
Type: L
Description: Lay Syncline, Maybell Monocline
Alterations
Not available
Rocks
Name: Sandstone
Role: Host
Age Type: Host Rock
Age Young: Miocene
Name: Sandstone
Role: Host
Age Type: Host Rock Unit
Age Young: Miocene
Analytical Data
Not available
Materials
Ore: Uraninite
Ore: Coffinite
Comments
Comment (Location): 2 MILES NORTH OF LAY CREEK ; INFO FROM LAND.ST :(1976)
Comment (Production): AS OF 1971, 16,984 TONS OF ORE WERE MINED AT GRADES OF 0.25% U308 AND 0.00X% V205, YIELDING 85,046 LBS OF U308 AND 109 LBS OF V205 (NELSON-MOORE AND OTHERS, 1978).
References
Reference (Deposit): NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978 RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 270.
Reference (Deposit): TWETO, OGDEN, 1976, GEOLOGIC MAP OF THE CRAIG 1DEGX2DEG QUADRANGLE, NORTHWESTERN COLORADO: USGS MAP I-972, 1:250,000.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
