The Unnamed (on southeast side of Latouche Island) 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 (on southeast side of Latouche Island) MRDS details
Site Name
Primary: Unnamed (on southeast side of Latouche Island)
Commodity
Primary: Copper
Location
State: Alaska
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
Model Name: Massive sulfide, Besshi (Japanese deposits)
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: None reported.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Pyrrhotite
Ore: Chalcopyrite
Comments
Comment (Exploration): Status = Inactive
Comment (Deposit): Model Name = Besshi massive sulfide (Cox and Singer, 1986; model 24b).
Comment (Geology): Geologic Description = The occurrence is on a landslide block of slate and graywacke of the Tertiary Orca Group which contains three beds with chalcopyrite and pyrrhotite that are conformable to the bedding. The beds are up to 2 foot wide and extend along strike for 500 feet. A 20 foot wide chip sample across all three zones contained 2.5% copper and 18 ppm silver (Nelson and others, 1984). Other limonite-stained rock are exposed in this area.
Comment (Geology): Age = Tertiary.
Comment (Workings): Workings / Exploration = None reported.
Comment (Reference): Primary Reference = Nelson and others, 1985
References
Reference (Deposit): Nelson, S.W., Dumoulin, J. A., and Miller, M.L., 1985, Geologic map of the Chugach National Forest, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1645-B, 16 p., 1 sheet, scale 1:250,000.
Reference (Deposit): Nelson, S.W., Dumoulin, J. A., and Miller, M.L., 1985, Geologic map of the Chugach National Forest, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1645-B, scale 1:250,000.
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