The Unuk River 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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Unuk River MRDS details
Site Name
Primary: Unuk River
Commodity
Primary: Copper
Location
State: Alaska
District: Petersburg
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: Polymetallic veins
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Pyrite
Ore: Pyrrhotite
Gangue: Quartz
Comments
Comment (Reference): Primary Reference = Elliott and Koch, 1981
Comment (Geology): Geologic Description = The country rocks in the general area of this occurrence are Mesozoic or Paleozoic metasedimentary rocks that locally include marble, and subordinate metavolcanic rocks (Elliott and Koch, 1981; Koch, 1996). The metamorphosed bedded rocks form a mile-wide septum between a stock of Eocene leucocratic quartz monzonite on the north, and a batholith of Tertiary or Cretaceous granodiorite and quartz diorite on the south. The mineral occurrence consists of pyrite, pyrrhotite, and chalcopyrite in a 2-foot thick quartz(?) vein (Wedow and others, 1952, p. 57).
Comment (Exploration): Status = Inactive
Comment (Deposit): Model Name = Polymetallic vein?
Comment (Deposit): Other Comments = This occurrence is in Misty Fiords National Monument.
References
Reference (Deposit): Elliott, R.L., and Koch, R.D., 1981, Mines, prospects, and selected metalliferous mineral occurrences in the Bradfield Canal quadrangle, Alaska: U.S. Geological Survey Open-File Report 81-728-B, 23 p., 1 sheet, scales 1:250,000 and 1:63,360.
Reference (Deposit): Koch, R.D., 1996, Reconnaissance geologic map of the Bradfield Canal quadrangle, southeastern Alaska: U.S. Geological Survey Open-File Report 81-728-A, 35 p., 1 sheet, scale 1:250,000.
Reference (Deposit): Wedow, Helmuth, Jr., White, M.G. and Moxham, R.M., 1952, Interim report on an appraisal of the uranium possibilities of Alaska: U.S. Geological Survey Open-File Report 51, 123 p.
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