The Unnamed (at head of Quartz Creek) is a zinc, lead, 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 (at head of Quartz Creek) MRDS details
Site Name
Primary: Unnamed (at head of Quartz Creek)
Commodity
Primary: Zinc
Primary: Lead
Primary: Silver
Location
State: Alaska
District: Fairhaven
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: Oxidation, carbonate replacement, and tourmaline.
Rocks
Name: Andesite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Arsenopyrite
Ore: Pyrite
Ore: Sphalerite
Ore: Silver
Ore: Galena
Gangue: Calcite
Gangue: Tourmaline
Comments
Comment (Geology): Age = Late Cretaceous.
Comment (Deposit): Other Comments = This site is one of numerous occurrences of argentiferous galena, sphalerite, pyrite, and arsenopyrite in altered andesite adjacent to quartz monzonite of the Quartz Creek pluton. The altered zone is 18 miles long and 2 to 5 miles wide. It trends N 15 W, across the drainage basins of Quartz Creek and Kiwalik River and is parallel to prominent lineaments in the area.
Comment (Deposit): Model Name = Sulfides in altered andesite.
Comment (Exploration): Status = Inactive
Comment (Reference): Primary Reference = Miller and Elliott, 1969
Comment (Workings): Workings / Exploration = The area has been mapped by the U.S. Geological Survey and examined by various exploration companies.
Comment (Commodity): Ore Material = argentiferous galena
Comment (Geology): Geologic Description = This occurrence consists of galena-bearing, carbonate-rich gossan in altered Jurassic-Cretaceous andesite near the contact with quartz monzonite of the Cretaceous Quartz Creek pluton. The altered zone is marked by quartz-calcite replacement, and tourmaline (also see Additional comments). A grab sample of gossan gave the following results: 300 ppm Ag, 5,000 ppm As, greater than 500 ppm Cd, 200 ppm Cu, greater than 2% Pb, and greater than 1% Zn (Miller and Elliot, 1969, location 31).
References
Reference (Deposit): Miller, T.P., and Elliott, R.L., 1969, Metalliferous deposits near Granite Mountain, eastern Seward Peninsula, Alaska: U.S. Geological Survey Circular 614, 19 p.
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