The Atomic Mountain Claim is a thorium and ree mine located in Custer county, Colorado at an elevation of 8,740 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: 8,740 Feet (2,664 Meters)
Commodity: Thorium, REE
Lat, Long: 38.19806, -105.31222
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.
Atomic Mountain Claim MRDS details
Site Name
Primary: Atomic Mountain Claim
Commodity
Primary: Thorium
Primary: REE
Location
State: Colorado
County: Custer
District: Wet Mountains Area; Mckinley Mountain 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
Owner Name: E. Sparling And L. Knobbe
Years: 1953 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Underground
Discovery Year: 1952
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
Model Name: Thorium-rare-earth veins
Orebody
Form: IRREGULAR, PIPELIKE
Structure
Type: R
Description: Wet Mountains
Type: L
Description: Nw-Trending Shear Zones
Alterations
Alteration Type: L
Alteration: Silicification, carbonate
Alteration Text: Silicification
Rocks
Name: Gabbro
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Gabbro
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Gabbro
Role: Associated
Age Type: Associated Rock Unit
Age Young: Cambrian
Name: Gabbro
Role: Associated
Age Type: Associated Rock
Age Young: Cambrian
Analytical Data
Analytical Data: .001% U, .95 TO 2.12% EQUIV. TH02, .82 TO 1.98% TH02
Analytical Data: .17 TO .38% EQUIV. U
Materials
Ore: Thorite
Gangue: Siderite
Gangue: Pyrite
Gangue: Limonite
Gangue: Fluorite
Gangue: Galena
Gangue: Barite
Gangue: Quartz
Comments
Comment (Location): ON NORTH SLOPE NEAR HEADWATERS OF BONEYARD GULCH ; INFO FROM LAND.ST :1976
Comment (Workings): TWO ADITS, ONE SHAFT, MANY PROSPECT PITS
Comment (Geology): DEPOSITS GENETICALLY AND SPACIALLY RELATED TO CAMBRIAN ALKALIC COMPLEXES
Comment (Deposit): Discovery Year: EARLY 1950'S
References
Reference (Deposit): CHRISTMAN, R.A., BROCK, M.R., PEARSON, R.C. AND SINGEWALD, Q.D., 1959, GEOLOGY AND THORIUM DEPOSITS OF THE WET MOUNTAINS, COLORADO, A PROGRESS REPORT: USGS BULLETIN 1072-H, P. 525
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. 21
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.