Unnamed (in headwaters of Dry Canyon Creek)

The Unnamed (in headwaters of Dry Canyon Creek) is a zinc, lead, and copper 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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Site Name

Primary: Unnamed (in headwaters of Dry Canyon Creek)

Commodity

Primary: Zinc
Primary: Lead
Primary: Copper

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

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Galena
Ore: Chalcopyrite
Ore: Sphalerite
Ore: Pyrite

Comments

Comment (Workings): Workings / Exploration = No workings or exploration acitivities are known but regional stream sediment geochemical and airborne radiometric surveys may have been completed in the area.

Comment (Geology): Age = Not known; probably mid-Cretaceous or younger. K/Ar ages for the nearby Darby pluton are 88.3 +/- 1.5 and 92.8 +/- 2.6 Ma (Berry and others, 1976).

Comment (Reference): Primary Reference = Miller and Grybeck, 1973

Comment (Deposit): Model Name = Base-metal sulfide veins or replacements in metasedimentary rocks.

Comment (Geology): Geologic Description = This prospect occurs in feldspathic schist near the western contact of Darby pluton granite. Sphalerite, galena, chalcopyrite, and pyrite have been identified (Miller and Grybeck, 1973). Stream sediment samples from the two drainages flowing west from this occurrence contained anomalous amounts of Pb in one case, and Pb and Zn in the other. The Darby pluton is a mid-Cretaceous granodiorite and granite; K/Ar ages for the Darby pluton are 88.3 +/- 1.5 and 92.8 +/- 2.6 Ma (Berry and others, 1976). The country rocks to the pluton here are high-grade metasedimentary rocks of Paleozoic or Precambrian age (Till and others, 1986).

Comment (Exploration): Status = Inactive

References

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.

Reference (Deposit): Berry, A.L., Dalrymple, G.B., Lamphere, M.A., and Von Essen, J.C., 1976, Summary of miscellaneous potassium-argon age determinations, U. S. Geological Survey, Menlo Park, California, for the years 1972-1974: U.S. Geological Survey Circular 727, 13 p.

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): Miller, T.P., and Grybeck, D.J., 1973, Geochemical survey of the eastern Solomon and southeastern Bendeleben quadrangles, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 553, 115 p.

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