Unnamed (west of Alaska Chief)

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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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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