Unnamed (in headwaters of Nutmoyuk Creek)

The Unnamed (in headwaters of Nutmoyuk Creek) is a gold 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 (in headwaters of Nutmoyuk Creek)

Commodity

Primary: 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

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Gangue: Pyrite
Gangue: Fluorite

Comments

Comment (Reference): Primary Reference = Gamble, 1988

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

Comment (Geology): Geologic Description = This is an area of marble and calc-silicate rock in the eastern-most Bendeleben Mountains. The carbonate rocks here are separated from other high-grade metamorphic rocks to the west by a high-angle fault that crosses the ridge at the saddle between Nutmoyuk Creek and Death Valley (Till and others, 1986). A sample of a pyrite-fluorite vein in calc-silicate rock here contained 0.5 ppm Au (Gamble, 1988).

Comment (Workings): Workings / Exploration = It is not known it exploration activities have been undertaken here. Mining claims existed in the area in 1975 (see BN086).

Comment (Deposit): Model Name = Quartz and fluorite vein in calc-silicate rock

Comment (Exploration): Status = Inactive

References

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.

Reference (Deposit): Till, A.B., Dumoulin, J.A., Gamble, B. ., Kaufman, D.S., and Carroll, P.I., 1986, Preliminary geologic map and fossil data, Soloman, Bendeleben, and southern Kotzebue quadrangles, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 86-276, 10 p., 3 plates, scale 1:250,000.

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