Unnamed (on Quartz Creek)

The Unnamed (on Quartz Creek) is a 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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MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Unnamed (on Quartz Creek)

Commodity

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: Hydrothermal.

Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Analytical Data

Not available

Materials

Ore: Pyrite
Ore: Galena
Ore: Silver
Gangue: Calcite

Comments

Comment (Deposit): Model Name = Galena in calcite vein.

Comment (Exploration): Status = Inactive

Comment (Geology): Age = Late Cretaceous.

Comment (Deposit): Other Comments = This site is one of numerous occurrences of argentiferous galena, sphalerite, pyrite and arsenopyrite in an 18-mile-long, 2- to 5-mile-wide zone of altered andesite surrounding the Quartz Creek quartz monzonite pluton. The altered zone trends N 15 W, across the drainage basins of Quartz Creek and the Kiwalik River, parallel to prominent lineaments in the area.

Comment (Geology): Geologic Description = This occurrence consists of a calcite veinlet containing minor galena. The veinlet cuts altered Jurassic-Cretaceous andesite near its contact with quartz monzonite of the Cretaceous Quartz Creek pluton. A grab sample from this location contained: 300 ppm Pb and a trace Ag (Miller and Elliott, 1969).

Comment (Reference): Primary Reference = Miller and Elliott, 1969

Comment (Workings): Workings / Exploration = The area has been mapped and examined by the U.S. Geological Survey and various exploration companies.

Comment (Commodity): Ore Material = argentiferous galena

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.

Reference (Deposit): Cobb, E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 p.

Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Candle, Holy Cross, Norton Bay, Nulato, and Unalakleet quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-866, 102 p.

Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Candle Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-389, 1 sheet, scale 1:250,000.

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