The Mary L Group is a mine located in Fremont county, Colorado.
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
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Mary L Group MRDS details
Site Name
Primary: Mary L Group
Commodity
Tertiary: Uranium
Location
State: Colorado
County: Fremont
District: Tallahassee
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: E. J. Smaller
Info Year: 1975
Owner Name: John T. Fontecchio
Home Office: Colorado
Info Year: 1975
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Surface-Underground
Mining Method: Unknown
Discovery Year: 1955
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
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Unknown: Uraninite
Unknown: Autunite
Unknown: Torbernite
Comments
Comment (Deposit): INFORMATION FROM PRR-1796, DATED 1955. RADIOACTIVITY VARIES 10 TO 100 X BG. INCLUDED IN THE REPORT IS A CROSS SECTION S SAMPLES AVERAGE .106% U308. AT THE TIME OF THE REPORT, 300 T BEEN SHIPPED TO THE U.S.V. MILL AT RIFLE, CO. THE ORE OCCURS FINE TO MEDIUM GRADE, CARBONACEOUS SILTSTONE.
References
Reference (Deposit): INFORMATION SOURCES: U.S.A.E.C. PRELIMINARY RECONAISSANCE RE
Reference (Deposit): 1796
Reference (Deposit): MACPHEARSON,BRUCE,GEOLOGY AND URANIUM DE
Reference (Deposit): OF THE TALLAHASSEE CREEK DISTRICT,1959,U.S.A.E.C.,RME-1083
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