Unnamed (south of Red Bluff Mountain)

The Unnamed (south of Red Bluff Mountain) is a lead and zinc 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 (south of Red Bluff Mountain)

Commodity

Primary: Lead
Primary: Zinc
Secondary: Antimony
Secondary: Arsenic

Location

State: Alaska
District: Alaska Peninsula

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

Alteration Type: L
Alteration Text: Pyritization and iron-staining.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Pyrite
Gangue: Quartz
Gangue: Calcite

Comments

Comment (Deposit): Other Comments = This site is located on land interim-conveyed to, or patented by, the Bristol Bay Native Corporation.

Comment (Geology): Geologic Description = At this occurrence the rocks consist primarily of sandstone and shale of the Paleocene to Eocene Tolstoi Formation. The site is near the contact with the Eocene to Oligocene Meshik Formation (Wilson and others, 1995). The sedimentary rocks are cut by andesite or basalt dikes that tend to be pyritized and iron-stained. The sandstone locally contains disseminated pyrite and rare aggregates of pyrite. Some small, barren, calcite veins occur in fracture zones. Samples collected by the U.S. Geological Survey were reported to contain anomalous amounts of lead, zinc, antimony, and arsenic (Wilson and others, 1988).

Comment (Geology): Age = Tertiary.

Comment (Reference): Primary Reference = Wilson and others, 1988

Comment (Workings): Workings / Exploration = Rock samples 84AGe21-26, collected by the U.S. Geological Survey in the mid-1980's, were reported to contain anomalous amounts of lead, zinc, antimony, and arsenic (Wilson and others, 1988).

Comment (Exploration): Status = Inactive

References

Reference (Deposit): Wilson, F.H., Detterman, R.L., Miller, J. W., and Case, J.E., 1995, Geologic map of the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska: U.S. Geological Survey Miscellaneous Investigation Series Map I-2272, 1 map sheet, scale 1:250,000.

Reference (Deposit): Wilson, F.H., White, W.H., and DuBois, G.D., 1988, Brief descriptions of mines, prospects, and mineral occurrences in the Port Moller and Stepovak Bay quadrangles, Alaska Peninsula: U.S. Geological Survey Open-File Report 88-666, 128 p., scale 1:250,000.

Reference (Deposit): Angeloni, L.M., Wilson, F.H., and Sutlet, S., 1985, Map and tables showing preliminary rock geochemical data, Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska: U.S. Geological Survey Open-File Report 85-470, 179 p., 1 map sheet, scale 1:250,000.

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