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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Unnamed (in headwaters of Nutmoyuk Creek) MRDS details
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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