The Gold Crown No. 2 Claim is a thorium mine located in Custer county, Colorado at an elevation of 10,607 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: 10,607 Feet (3,233 Meters)
Commodity: Thorium
Lat, Long: 38.0225, -105.15694
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.
Gold Crown No. 2 Claim MRDS details
Site Name
Primary: Gold Crown No. 2 Claim
Secondary: May Day Lode
Secondary: Hidden Treasury
Secondary: Gold Crown No. 1
Commodity
Primary: Thorium
Secondary: Barium-Barite
Tertiary: Uranium
Location
State: Colorado
County: Custer
District: Fairview 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: Frank Susman
Home Office: Box 101, Florence, Co.
Years: 1935 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Discovery Year: 1935
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
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Rhyodacite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene
Name: Rhyodacite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Analytical Data
Analytical Data: 0.061% EQUIV. U, 0.001% U, 0.34% EQUIV. TH02
Materials
Ore: Thorite
Gangue: Barite
Gangue: Feldspar
Gangue: Limonite
Gangue: Quartz
Comments
Comment (Commodity): A grab sample of vein material contained 0.34% equivalent ThO2. (USGS Bull. 1072-H)
Comment (Geology): A vein containing unidentified radioactive minerals can be traced for 500 ft.
Comment (Location): CLAIM LIES ON TOP OF HILL SW OF HARDIN'S SAWMILL ON OPHIR CREEK. IN THE NW/4 SEC.30, T23 S, R 69 W, REACHED BY SECONDARY ROAD GOING WEST FROM FAIRVIEW SCHOOL ON HWY 76. ; INFO FROM LAND.ST :(1976)
Comment (Workings): CAVED, INCLINED SHAFT; ONE 7-FOOT, TIMBERED PROSPECT PIT
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. 528
Reference (Deposit): REV BY MILS 11-79
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. 121
Reference (Deposit): TAYLOR, R.B., 1974, RECONNAISSANCE GEOLOGIC MAP OF THE DEER PEAK QUADRANGLE AND SOUTHERN PART OF THE HARDSCRABBLE MOUNTAIN QUADRANGLE, CUSTER AND HUERFANO COUNTIES, COLORADO: USGS MAP I-870, 1: 24,000
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
