Unnamed (on Mitrofania Island)

The Unnamed (on Mitrofania Island) is a zinc, lead, and copper 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 (on Mitrofania Island)

Commodity

Primary: Zinc
Primary: Lead
Primary: Copper

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

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Not available

Comments

Comment (Workings): Workings / Exploration = The U.S. Geological Survey mapped and sampled this area in the mid-1980's (Wilson and others, 1988; 1995). Samples of volcanic rock contained as much as 50 ppm copper, 15 ppm lead, and 55 ppm zinc (Angeloni and others, 1985).

Comment (Deposit): Other Comments = This occurrence is on lands selected by the Bristol Bay Native Corporation, near the boundary of the Alaska Peninsula National Wildlife Refuge.

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

Comment (Exploration): Status = Inactive

Comment (Geology): Geologic Description = The country rocks in the area of this occurrence are Tertiary volcanic rocks (Wilson and others, 1995). MacKevett and Holloway (1977) described the occurrence as an altered zone associated with Tertiary granitic rocks, but mapping by the U.S. Geological Survey in the mid-1980's did not indicate any granitic plutons in the general area (Wilson and others, 1995). Samples of volcanic rock collected by the U.S. Geological Survey contained as much as 50 ppm copper, 15 ppm lead, and 55 ppm zinc (Angeloni and others, 1985).

References

Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.

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): 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.

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.

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