The Thorn Claims is a uranium mine located in Fremont county, Colorado at an elevation of 7,999 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: 7,999 Feet (2,438 Meters)
Commodity: Uranium
Lat, Long: 38.53528, -105.52139
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.
Thorn Claims MRDS details
Site Name
Primary: Thorn Claims
Secondary: Thome 1-14
Secondary: Thome Claims
Secondary: Thorn 9 and 10
Secondary: Thorn Homestead Mine
Commodity
Primary: Uranium
Secondary: Vanadium
Location
State: Colorado
County: Fremont
District: Tallahassee Creek
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: Atlas Minerals
Home Office: Denver Colorado
Info Year: 1975
Production
Year: 1965
Time Period: 1960-1965
Material type: U ORE
Description: Cp_Grade: ^0.27% U308
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1960
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: Sandstone U
Orebody
Form: TABULAR, PODS
Structure
Type: R
Description: Thirty Nine Mile Volcanic Field, Currant Creek Basin
Type: L
Description: Echo Park Graben, Paleovalleys
Alterations
Alteration Type: L
Alteration Text: Oxidation; Alteration Of Feldspar To Clay
Rocks
Name: Rhyolite
Role: Associated
Age Type: Host Rock Unit
Age Young: Oligocene
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Analytical Data
Not available
Materials
Ore: Uraninite
Ore: Coffinite
Gangue: Limonite
Gangue: Hematite
Comments
Comment (Production): ITEM 23 WAS FROM 1980 TONS OF ORE. NEVADA CREEK PLACER INCLUDING CHICKEN, CHIMNEY, DEER, AND WASSON CREEK PRODUCED ABOUT $300000 PRE-1900-1947.
Comment (Workings): ADITS, PITS, PLACER
Comment (Development): MINES: BLACKFOOT, CORBIN, HIGGINS, HOBBY HORSE, PLUTARC; HOPKINS, NEVADA CREEK, KILBURN, C. D. HURD PLACERS; NEW PROGRESS, MCCACRAN, ROSELLE; BLACKBIRD, BLUEBIRD, GROUSE, MAGPIE, AND MEADOW LARK PLACERS
Comment (Location): Location from Nelson-Moore and others (1978).
References
Reference (Production): NELSON-MOORE AND OTHERS, 1978
Reference (Deposit): BABCOCK, J.A., 1980, TALLAHASSEE CREEK URANIUM DEPOSITS: DENVER REGIONAL EXPLORATION GEOLOGISTS SOCIETY GUIDEBOOK, P. 15-31.
Reference (Deposit): DICKINSON, K.A., 1981, GEOLOGIC CONTROLS OF URANIUM MINERALIZATION IN THE TALLAHASSEE CREEK URANIUM DISTRICT, FREMONT COUNTY, COLORADO: THE MOUNTAIN GEOLOGIST, V. 18, NO. 4, P. 88-94.
Reference (Deposit): NELSON-MOORE, J.L., COLLINS, D.B. AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULLETIN 40, P. 153.
Reference (Deposit): EPIS, R.C., WOBUS, R.A. AND SCOTT, G.R., 1979, GEOLOGIC MAP OF THE BLACK MOUNTAIN QUADRANGLE, FREMONT AND PARK COUNTIES, COLORADO: USGS MAP I-1195, 1:62,500.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
