Johnson Lease

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

Name: Johnson Lease  

State:  Colorado

County:  Moffat

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.


Satelite image of the Johnson Lease

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

Placer mines at Cripple Creek, Colorado ca. 1892

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.