The Anna Lee Lode is a thorium and ree mine located in Custer county, Colorado at an elevation of 8,999 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: 8,999 Feet (2,743 Meters)
Commodity: Thorium, REE
Lat, Long: 38.17611, -105.30944
Map: View on Google Maps
Satelite View
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Anna Lee Lode MRDS details
Site Name
Primary: Anna Lee Lode
Commodity
Primary: Thorium
Primary: REE
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
Not available
Ownership
Owner Name: Lee Jones, Westcliffe, Co. And Lawrence Knobbe, Spearville, Ks
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Surface
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: TABULAR
Structure
Type: R
Description: Wet Mountains
Type: L
Description: Nw-Trending Shear Zones; Shearing Of Dikes
Alterations
Alteration Type: L
Alteration Text: Altered Syenite And Basic Dikes Appear To Be Related To Mineralization
Rocks
Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleoproterozoic
Name: Granite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Paleoproterozoic
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: .22 TO 1.2% EQUIV. U, .003 TO .007% U, 1.20 TO 6.68 % EQUIV. TH02, 3.81 TO 6.96% TH02, .03 TO 1.53% RAE OXIDES
Materials
Ore: Thorite
Gangue: Hematite
Gangue: Barite
Gangue: Quartz
Gangue: Galena
Gangue: Limonite
Gangue: Pyrite
Comments
Comment (Location): 0.75 MILES WEST OF STATE ROUTE 143 ON JONES RANCH ; INFO FROM LAND.ST :1976
Comment (Deposit): MINERALIZATION EXPOSED ONLY IN SHALLOW PITS
Comment (Workings): PITS AND TRENCHES
References
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.20-22
Reference (Deposit): BROCK, M.R. AND SINGEWALD, 1968, GEOLOGIC MAP OF THE MOUNT TYNDALL QUADRANGLE, CUSTER COUNTY, COLORADO: USGS MAP GQ-596
Reference (Deposit): NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULLETIN 40P. 119
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
