The Nugget 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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Nugget MRDS details
Site Name
Primary: Nugget
Secondary: Willow Creek Mines Co.
Commodity
Primary: Gold
Location
State: Alaska
District: Willow Creek
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Low-sulfide Au-quartz vein
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Exploration): Status = Inactive
Comment (Reference): Primary Reference = Smith, 1917
Comment (Workings): Workings / Exploration = Smith (1917) is vague at best and only reports that it's being operated by Willow Creek Mines Co. in 1916.
Comment (Geology): Geologic Description = No specific data reported about the prospect. Most likely, consists of gold-bearing quartz vein(s) cutting the Late Cretaceous Willow Creek Pluton. Bedrock is the Late Cretaceous Willow Creek Pluton. The Willow Creek Pluton is a zoned pluton: the outer part consists of hornblende quartz diorite and lesser hornblende tonalite; the core consists of hornblende-biotite granodiorite, and lesser hornblende-biotite quartz monzodiorite and biotite quartz monzonite.
Comment (Deposit): Model Name = Low-sulfide Au-quartz veins ? (Cox and Singer, 1986; model 36a ?)
Comment (Geology): Age = Late Cretaceous or younger; host is the Late Cretaceous Willow Creek Pluton.
Comment (Geology): Age = Host rock is Late Cretaceous.
References
Reference (Deposit): Smith, S.S., 1917, The mining industry in the Territory of Alaska during the calendar year 1916: U.S. Bureau of Mines Bulletin 153, 89 p.
Reference (Deposit): Smith, P.S., 1917, The mining industry in the territory of Alaska during the calendar year 1916: U.S. Bureau of Mines Bulletin 153, 89 p.
Reference (Deposit): Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials in the Anchorage quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-1095, 184 p.
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