The Anna Claim is a uranium mine located in Saguache county, Colorado at an elevation of 9,800 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: 9,800 Feet (2,987 Meters)
Commodity: Uranium
Lat, Long: 38.30667, -106.63361
Map: View on Google Maps
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Anna Claim MRDS details
Site Name
Primary: Anna Claim
Commodity
Primary: Uranium
Tertiary: Manganese
Location
State: Colorado
County: Saguache
District: Cochetopa (Cochetopa Creek) District
Land Status
Land ownership: National Forest
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: Lewis N. Gould, And Others
Home Office: Gunnison, Co.
Years: 1955 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
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: San Juan Volcanic Field; Gunnison Uplift
Type: L
Description: Cochetopa Dome; Los Ochos Fault; Razor Creek Dome
Alterations
Alteration Type: L
Alteration Text: Abundant Hematite And Limonite, Minor Manganese Staining
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Analytical Data
Analytical Data: BACKGROUND RADIATION 0.015 MR/HR, RANGE 0.07 TO 0.4 MR/HR
Materials
Not available
Comments
Comment (Development): DISTRICT MINED PREVIOUSLY FOR AU AND BASE METALS. GUNNISON MINING CO. DISCOVERED URANIUM IN 1954 ALONG LOS OCHOS FAULT.
Comment (Deposit): HEAVILY ALTERED SHEAR ZONE TRENDS N 35 E, 65 SE. PROBABLE BRANCH OF MAIN ZONE TRENDS N65E, TO SE.
Comment (Workings): 10-FT SHAFT; TWO DOZED TRENCHES 60 TO 75 FT LONG AND 2 TO 6 FT DEEP
Comment (Location): ON RIDGE WEST OF WEST GISMO CREEK ; INFO FROM LAND.ST :1976
References
Reference (Deposit): AEC PRELIM. RECON. REPT. DEB-P-3-1714
Reference (Deposit): OLSON, J.C., AND STEVEN, T.A., 1976, GEOLOGIC MAP OF THE RAZOR CREEK DOME QUADRANGLE, SAGUACHE COUNTY, COLORADO: USGS MAP MF-748
Reference (Deposit): NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULL. 40, P. 388
Reference (Deposit): MALAN, R.C., AND RANSPOT, H.W., 1959, GEOLOGY OF THE URANIUM DEPOSITS IN THE COCHETOPA MINING DISTRICT, SAGUACHE AND GUNNISON COUNTIES, COLORADO: ECON. GEOLOGY, V. 54, NO. 1, P. 1-19.
Colorado Mining Photos
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