The Unnamed (west of Alaska Chief) is a zinc, lead, and silver 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 (west of Alaska Chief) MRDS details
Site Name
Primary: Unnamed (west of Alaska Chief)
Commodity
Primary: Zinc
Primary: Lead
Primary: Silver
Location
State: Alaska
District: Juneau
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
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Galena
Comments
Comment (Deposit): Other Comments = the mineral site is in Glacier Bay National Park and Preserve.
Comment (Geology): Geologic Description = The mineral occurrence is within a large felsic granitic intrusion of Tertiary age (Brew and others, 1978). A representative sample from a 3-foot wide shear zone in the granite contained 7 ppm silver, 1500 ppm zinc, and 300 ppm lead (MacKevett and others, 1971, table 9).
Comment (Geology): Age = Tertiary.
Comment (Deposit): Model Name = Mineralized shear zone, distal.
Comment (Exploration): Status = Inactive
Comment (Reference): Primary Reference = MacKevett and others, 1971
Comment (Workings): Workings / Exploration = No workings. Exploration limited to chip sample reported by MacKevett and others (1971, location 30).
References
Reference (Deposit): Kimball, A.L., Still, J.C., and Rataj, J.L., 1978, Mineral resources, in Brew, D. A., and others, Mineral resources of the Glacier Bay National Monument wilderness study area, Alaska: U.S. Geological Survey Open-File Report 78-494, p. C1-C375.
Reference (Deposit): MacKevett, E.M., Jr., Brew, D.A., Hawley, C.C., Huff, L.C., and Smith, J.G., 1971, Mineral resources of Glacier Bay National Monument, Alaska: U.S. Geological Survey Professional Paper 632, 90 p., 12 plates, scale 1:250,000.
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