The Thornburg Mine is a mine located in Saguache county, Colorado at an elevation of 9,006 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: 9,006 Feet (2,745 Meters)
Commodity:
Lat, Long: 38.3581, -106.75920
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.
Thornburg Mine MRDS details
Site Name
Primary: Thornburg Mine
Secondary: Los Ochos Uranium Mine
Commodity
Tertiary: Uranium
Location
State: Colorado
County: Saguache
District: Cochetopa District
Land Status
Not available
Holdings
Type: Located Claim
Workings
Not available
Ownership
Owner Name: Homestake Mining Co.
Percent: 100.0
Home Office: California
Info Year: 1975
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Year First Production: 1958
Discovery Year: 1954
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Unknown: Torbernite
Unknown: Uraninite
Unknown: Autunite
Comments
Comment (Ownership): OWNER=HOMESTAKE MINING COMPANY: ADDRESS=650 CALIFORNIA ST. 9 SAN FRANCISCO,CALIFORNIA 94108 THE LOS OCHOS URANIUM DEPOSIT OCCURS IN A NORTHEASTERLY ING ZONE OF SHEARING AND FRACTURING AT THE CONTACT OF GRANIT SCHIST OF PRECAMBRIAN AGE WITH THE MORRISON FORMATION OF JUR AGE NEAR THE INTERSECTION WITH A LARGE EAST-TRENDING FAULT. INTERSECTIONS OF NORTHEAST-TRENDING SHEAR ZONES WITH EAST-TR FAULTS ARE THE MOST OBVIOUS ORE CONTROL. PITCHBLENDE WAS DEP UNDER EPITHERMAL CONDITIONS DURING TERTIARY TIME. THE SEQUEN EVENTS IN THE FORMATION OF THE DEPOSIT ARE:(1)THE MORRISON A DAKOTA FORM. WERE DEPOSITED ON PEGRANITE AND SCHIST DURING J TIME.(2)IN TERTIARY TIME INTENSE FAULTING OCCURRED. FAULTING CIATED THE MORRISON FM AND GRANITE ADJACENT TO IT PROVIDING SPACES FOR POST-FAULTING ORE BEARING SOLUTIONS. (3)POST-MINE TION MOVEMENT OCCURRED ON THE FAULTS OF THE LOS OCHOS MINE.
References
Reference (Deposit): INFORMATION SOURCES: GUIDEBOOK TO URANIUM DEPOSITS OF THE WE
Reference (Deposit): UNITED STATES;1959, U.S.A.E.C.
Reference (Deposit): MALAN,R. AND RANSPOT,H.,1959,GEOLOGY OF
Reference (Deposit): URANIUM DEPOSITS OF THE COCHETOPA MINING DISTRICT: ECONOMIC
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
