The Unnamed is a tungsten 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
Commodity
Primary: Tungsten
Location
State: Alaska
District: Bering Sea
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: W veins
Model Name: W skarn
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Not available
Comments
Comment (Deposit): Model Name = Tungsten-bearing skarn or veins in granitic rocks. Deposit models 14a (?) or 15a (?); W skarn deposits or W veins
Comment (Deposit): Model Number = 14a (?); 15a (?)
Comment (Exploration): Status = Inactive
Comment (Geology): Age = If the one anomalous tungsten value is correct and reflects the presence of mineralization, this mineralization is probably mid-Cretaceous in age, the age of other biotite quartz monzonite plutons on St. Lawrence Island (Patton and Csejtey, 1980).
Comment (Reference): Primary Reference = Patton and Csejtey, 1972
Comment (Workings): Workings / Exploration = One stream sediment sample from this drainage contained 150 ppm tungsten, the highest tungsten value reported in stream sediments from St. Lawrence Island (Patton and Csejtey, 1972). However, other elements were not significantly elevated in stream sediments from this drainage.
Comment (Geology): Geologic Description = One stream sediment sample from this drainage contained 150 ppm tungsten, the highest tungsten value reported in stream sediments from St. Lawrence Island (Patton and Csejtey, 1972). However, other elements were not significantly elevated in stream sediments from this drainage. Bedrock in the drainage area is biotite quartz monzonite that at least locally intrudes Mississippian limestone (Csejtey and Patton, 1974, p. 43; Patton and Csejtey, 1980).
References
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.
Reference (Deposit): Csejtey, Bela, Jr., and Patton, W.W., Jr., 1974, Petrology of the nepheline syenite of St. Lawrence Island, Alaska: U.S. Geological Survey, Journal of Research, v. 2, no. 1, p. 41-47.
Reference (Deposit): Patton, W.W., Jr., and Csejtey, Bela, Jr., 1972, Analyses of stream sediment and rock samples from St. Lawrence Island, Alaska, 1966-1971: U.S. Geological Survey Open-File Report 72-293, 78 p.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Saint Lawrence quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-465, 1 sheet, scale 1:250,000.
Reference (Deposit): Patton, W.W., Jr., and Csejtey, Bela, Jr., 1980, Geologic map of St. Lawrence Island, Alaska: U.S. Geological Survey Miscellaneous Investigation Series Map I-1203, scale 1:250,000.
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