Mystery Lode

The Mystery Lode is a thorium mine located in Custer county, Colorado at an elevation of 8,901 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: Mystery Lode

State:  Colorado

County:  Custer

Elevation: 8,901 Feet (2,713 Meters)

Commodity: Thorium

Lat, Long: 38.17528, -105.29306

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 Mystery Lode

Mystery Lode MRDS details

Site Name

Primary: Mystery Lode


Commodity

Primary: Thorium
Secondary: Barium-Barite
Secondary: Zinc
Secondary: Lead
Secondary: Copper
Tertiary: Manganese
Tertiary: Gold


Location

State: Colorado
County: Custer
District: Wet Mountains 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

Type: Unknown


Ownership

Owner Name: Ernest Sparling, Rosita, Co. And Lawrence Knobbe, Spearville, Ks.
Years: 1951 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1950
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: Wet Mountains


Alterations

Not available


Rocks

Name: Gneiss
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Gneiss
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic


Analytical Data

Analytical Data: .006 TO .1% EQUIV. U, 0.001% U, .03 TO .55% EQUIV TH02, 0.4% TH02, .23% RAE OXIDE, .63% TH02 + RAE OXIDE


Materials

Ore: Galena
Ore: Barite
Ore: Rhodochrosite
Ore: Thorite
Ore: Chalcopyrite
Ore: Sphalerite


Comments

Comment (Location): SOUTH OF BONEYARD GULCH ; INFO FROM LAND.ST :(1976)

Comment (Deposit): ORE IN SMALL MASSES IN QUARTZ

Comment (Workings): SHAFT, PIT


References

Reference (Deposit): NELSON-MOORE, J.L., COLLINS, D.B. AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULLETIN 40, P. 122

Reference (Deposit): CHRISTMAN, R.A., HEYMAN, A.M., DELLWIG, L.F. AND GOTT, G.B., 1953, THORIUM INVESTIGATIONS 1950-52, WET MOUNTAINS, COLORADO: USGS CIRCULAR 290, P. 23, 26

Reference (Deposit): BROCK, M.R. AND SINGEWALD, Q.D., 1968, GEOLOGIC MAP OF THE MOUNT TYNDALL QUADRANGLE, CUSTER COUNTY, COLORADO: USGS MAP GQ-596


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.