The Makushin River Placer is a gold 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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Makushin River Placer MRDS details
Site Name
Primary: Makushin River Placer
Commodity
Primary: Gold
Location
State: Alaska
District: Aleutian Islands
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: Placer Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Alluvium
Role: Host
Age Type: Host Rock
Age Young: Holocene
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Deposit): Model Name = Placer gold-PGE
Comment (Reference): Primary Reference = Drewes and others, 1961
Comment (Geology): Geologic Description = A few minute grains of gold panned from 2 tributaries on north side of Makushin River. Above these streams is a conspicuous gossan of altered and pyritized rocks of the Unalaska Formation (see Drewes and others, 1961).
Comment (Deposit): Other Comments = Stream gradient about 75 m/km.
Comment (Exploration): Status = Inactive
Comment (Geology): Age = Quaternary
References
Reference (Deposit): Drewes, Harold, Fraser, G.D., Snyder, G.L., and Barnett, H.F., Jr., 1961, Geology of Unalaska Island and adjacent insular shelf, Aleutian Islands, Alaska: U.S. Geological Survey Bulletin 1028-S, p. 583-676.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Unalaska quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies MF-446, 1 sheet, scale 1: 250,000.
Reference (Deposit): Cobb, E.H., 1980, Summaries of data and lists of references to metallic and selected nonmetallic mineral deposits in fifteen quadrangles in southwestern and west-central Alaska: U.S. Geological Survey Open-File Report 80-909, 103 p.
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