The Unnamed (beach between Yahtse River and Yana Stream) is a titanium and 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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Unnamed (beach between Yahtse River and Yana Stream) MRDS details
Site Name
Primary: Unnamed (beach between Yahtse River and Yana Stream)
Commodity
Primary: Titanium
Primary: Gold
Location
State: Alaska
District: Yakataga
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
Not available
Analytical Data
Not available
Materials
Ore: Rutile
Ore: Pyrite
Ore: Magnetite
Ore: Ilmenite
Ore: Gold
Gangue: Zircon
Gangue: Sphene
Gangue: Garnet
Comments
Comment (Workings): Workings / Exploration = Reconnaissance characterization of beach samples has been completed in this area (Thomas and Berryhill, 1962).
Comment (Geology): Age = Holocene.
Comment (Reference): Primary Reference = Thomas and Berryhill, 1962
Comment (Deposit): Model Name = Placer Au (Cox and Singer, 1986; model 39a - beach)
Comment (Geology): Geologic Description = Thomas and Berryhill (1962) collected an auger sample of beach gravel at this location that contained 0.7 pound of titanium oxide per cubic yard in the magnetic fraction and 0.6 pound of iron and 4.7 pounds of titanium oxide per cubic yard in the non-magnetic fraction. It also contained a trace of gold. Beach sands along this segment of the Gulf of Alaska shoreline contain trace amounts of ilmenite, magnetite, rutile, pyrite, garnet, sphene, and zircon (Thomas and Berryhill, 1962).
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Icy Bay quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-411, 1 sheet, scale 1:250,000.
Reference (Deposit): Thomas, B.I., and Berryhill, R. V., 1962, Reconnaissance studies of Alaskan beach sands, eastern Gulf of Alaska: U.S. Bureau of Mines Report of Investigations 5986, 40 p.
Reference (Deposit): Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Bering Glacier, Icy Bay, Middleton Island, and Yakutat quadrangles, Alaska: U.S. Geological Survey Open-File Report 79-1246, 41 p.
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