Unnamed (near pass on upper Nutmoyuk Creek)

The Unnamed (near pass on upper Nutmoyuk Creek) is a 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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MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Unnamed (near pass on upper Nutmoyuk Creek)

Commodity

Primary: Copper
Secondary: Silver
Secondary: Gold

Location

State: Alaska
District: Koyuk

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: Silicification, quartz veining, and oxidation of sulfides is present.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Malachite
Gangue: Limonite
Gangue: Quartz

Comments

Comment (Deposit): Model Name = Sulfide-bearing veinlets in marble

Comment (Geology): Age = Cretaceous ; Epigenetic mineralization in metamorphic rocks of Seward Peninsula is primarily of Cretaceous age.

Comment (Workings): Workings / Exploration = The nature of any exploratioin work that may have taken place at this locality is not known.

Comment (Reference): Primary Reference = Hudson and others, 1977

Comment (Geology): Geologic Description = Locally dolomitic and silicified marble, is cut by quartz veinlets and some oxidized sulfide veinlets (Hudson and others, locality 179, p. 16). There is some minor malachite staining. Mining claims were located in this area in 1975.

Comment (Exploration): Status = Inactive

References

Reference (Deposit): Hudson, T.L., Miller, M. L., and Pickthorn, W. J., 1977, Map showing metalliferous and selected nonmetalliferous mineral deposits, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 77-796-B, 46 p., one sheet, scale 1:1,000,000.

Reference (Deposit): Gamble, B.M., 1988, Non-placer mineral occurrences in the Solomon, Bendeleben, and southern part of the Kotzebue quadrangles, western Alaska: U.S. Geological Survey Map MF-1838-B, 13 p., 1 sheet, scale 1:250,000.

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