The Atom Marietta Prospect is a uranium and thorium mine located in Alaska at an elevation of 699 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: 699 Feet (213 Meters)
Commodity: Uranium, Thorium
Lat, Long: 54.91389, -132.12778
Map: View on Google Maps
Atom Marietta Prospect MRDS details
Site Name
Primary: Atom Marietta Prospect
Commodity
Primary: Uranium
Primary: Thorium
Location
State: Alaska
District: Ketchikan 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
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1955
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Dacite Is Strongly Albitized
Rocks
Name: Peralkaline Granite
Role: Associated
Age Type: Associated Rock Unit
Age in Years: 181.000000+-
Dating Method: K-Ar
Age Young: Middle Jurassic
Name: Peralkaline Granite
Role: Associated
Age Type: Associated Rock Unit
Age in Years: 186.000000+-
Dating Method: K-Ar
Age Young: Middle Jurassic
Name: Peralkaline Granite
Role: Associated
Age Type: Associated Rock Unit
Age in Years: 171.000000+-
Dating Method: U-Pb (zircon)
Material Analyzed: Zircon
Age Young: Middle Jurassic
Analytical Data
Analytical Data: CHEMICAL ANALYSIS YIELDED 0.25-2.8% U, 0.13-1%TH
Materials
Ore: Brannerite
Ore: Uraninite
Gangue: Calcite
Gangue: Quartz
Gangue: Chlorite
Gangue: Hematite
Comments
Comment (Commodity): OTHER RADIOACTIVE MINERALS ARE PROBABLY PRESENT
Comment (Deposit): TWO SHEAR ZONES 1.5 FT THICK ON PARALLEL FAULTS
References
Reference (Deposit): USGS BULLETIN 1154, P.73-74
Reference (Deposit): USGS BULLETIN 1155, P.30-31
Reference (Deposit): USGS OPEN FILE 78-863, P.6-8
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