The Unnamed is a copper mine located in Alaska.
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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Unnamed MRDS details
Site Name
Primary: Unnamed
Secondary: Unnamed (southeast of Soda Lake)
Commodity
Primary: Copper
Location
State: Alaska
District: Chisana
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Basalt
Role: Associated
Age Type: Associated Rock
Age Young: Late Triassic
Name: Basalt
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Triassic
Name: Basalt
Role: Associated
Age Type: Associated Rock
Age Young: Late Triassic
Analytical Data
Not available
Materials
Ore: Copper
Comments
Comment (Reference): Primary Reference = Richter and others, 1975, USGS MF-655K
Comment (Geology): Geologic Description = Native copper in fractures in amygdaloidal basalt flows of Triassic Nikolai Greenstone
Comment (Deposit): Other Comments = the Nikolai Greenstone itself is significant in that it may constitute a future low grade copper resource. It is widespread south of the Denali fault, has an overall thickness of 2000 m and an average copper content of 150 ppm. Locally it contains small deposits of native copper, bornite, chalcocite, and chalcopyrite in amygdules, flow tops and bottoms, fractures and veins. USGS MF-655K, USGS OF 365 and USGS OF 366 contain maps showing several known occurences of copper minerals in the Nikolai Greenstone.
Comment (Deposit): Model Name = Lode: volcanogenic
Comment (Commodity): Ore Material = Copper (native)
Comment (Workings): Workings / Exploration = Type of workings: none
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Richter, D.H., Singer, D.A., and Cox, D.P., 1975, Mineral resources map of the Nabesna quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-655-K, scale 1:250,000.
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