The Unnamed (north of Mount Kashagnak) is a molybdenum, gold, 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
Elevation:
Commodity: Molybdenum, Gold, Silver
Lat, Long: 59.39, -135.70000
Map: View on Google Maps
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Unnamed (north of Mount Kashagnak) MRDS details
Site Name
Primary: Unnamed (north of Mount Kashagnak)
Commodity
Primary: Molybdenum
Primary: Gold
Primary: Silver
Location
State: Alaska
District: Juneau (Skagway subdistrict)
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: Polymetallic veins
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Hornblendite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Hornblendite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Molybdenite
Gangue: Quartz
Comments
Comment (Exploration): Status = Inactive
Comment (Reference): Primary Reference = Redman and others, 1984
Comment (Geology): Geologic Description = According to Redman and others (1984), a few rare, thin quartz veins 0.04 to 0.16 inches wide can be traced for at least 10 feet. The veins contain small amounts of molybdenum, gold, and silver. One sample of a single vein with attached wallrock contained 137 ppm molybdenum, 2.3 ppm silver, and 0.7 ppm gold. The veins occur within the biotite-quartz-monzonite-porphyry core of the mid-Cretaceous Mount Kashagnak pluton.
Comment (Deposit): Model Name = Quartz vein with Mo, Au and Ag (Cox and Singer, 1986; model 22c?),
Comment (Geology): Age = Mid-Cretaceous or younger based on the age of the Mount Kashagnak pluton (Redman and others, 1984).
References
Reference (Deposit): Redman, E.C., Retherford, R.M., and Hickok, B.D., 1984, Geology and geochemistry of the Skagway B-2 Quadrangle, southeastern Alaska: Alaska Division of Geological and Geophysical Surveys Report of Investigations 84-31, 34 p., 4 sheets, scale 1:40,000.
Reference (Deposit): Wells, D.E., Pittman, T.L., Brew, D.A. and Douglass, S.L., 1986, Map and description of the mineral deposits in the Juneau, Taku River, Atlin, and part of the Skagway quadrangles, Alaska; U.S. Geological Survey Open-File Report 85-717, 332 p.
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