Unnamed (south-southeast of Koyuk)

The Unnamed (south-southeast of Koyuk) is a tungsten 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-southeast of Koyuk)

Commodity

Primary: Tungsten

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

Model Name: Placer Au-PGE

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Scheelite

Comments

Comment (Workings): Workings / Exploration = One sample of panned concentrates was collected from this location; it contained a trace of scheelite (Berryhill, 1962).

Comment (Geology): Age = Quaternary.

Comment (Reference): Primary Reference = Berryhill, 1962

Comment (Deposit): Model Name = Alluvial placer deposit (Cox and Singer, 1986; model 39a)

Comment (Geology): Geologic Description = Sample 30 of Berryhill (1962) was a concentrate of 15 pans of creek sands collected 600 feet inland from the beach. The sample contained a trace of scheelite.

Comment (Exploration): Status = Inactive

References

Reference (Deposit): Berryhill, R.V., 1962, Reconnaissance sampling of beach and rivermouth deposits, Norton Bay and Kotzebue Sound, Seward Peninsula, Alaska: U.S. Bureau of Mines Open-File Report 1, 13 p.

Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Candle, Holy Cross, Norton Bay, Nulato, and Unalakleet quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-866, 102 p.

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