The Unnamed (along tributary to the Niukluk River) is a zinc, copper, and silver 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 (along tributary to the Niukluk River) MRDS details
Site Name
Primary: Unnamed (along tributary to the Niukluk River)
Commodity
Primary: Zinc
Primary: Copper
Primary: Silver
Location
State: Alaska
District: Council
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: Probably oxidized.
Rocks
Not available
Analytical Data
Not available
Materials
Gangue: Pyrite
Comments
Comment (Geology): Age = Cretaceous ; this occurrence may be related to emplacement of the Pargon pluton which is assumed to be Cretaceous in age.
Comment (Reference): Primary Reference = Bundzten, 1974
Comment (Workings): Workings / Exploration = No workings are known at this locality.
Comment (Deposit): Model Name = Pyritized zone at greenstone-marble contact
Comment (Geology): Geologic Description = A pyritized zone at a greenstone (amphibolite ?) contact with schist carries anomalous amounts of copper, zinc, and silver (Bundzten, 1974). This locality, and several others in this part of the Bendeleben A-4 quadrangle, are in high grade metamorphic rocks that are structurally above or peripheral to the crosscutting Pargon pluton. The Pargon pluton is mostly granodiorite and assumed to be Cretaceous in age (Till and others, 1986). It was emplaced at shallower depths than the more deep-seated Bendeleben pluton to the east. The metamorphic rocks peripheral to the western Pargon pluton are also intruded by small, felsic dikes and plugs including quartz porphyry and muscovite granite.
Comment (Exploration): Status = Inactive
References
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.
Reference (Deposit): Bundtzen, T.K., 1974, Geochemistry of parts of the Bendeleben A-6, A-5, A-4, B-5, and B-4 quadrangles, Alaska: Alaska Division of Geological and Geophysical Surveys Open-File report 39, 10 p., 6 oversized tables, 1 map, scale 1:63,360.
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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