Unnamed (south of head of McCallie Creek)

The Unnamed (south of head of McCallie Creek) is a silver, lead, gold, and zinc 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 (south of head of McCallie Creek)

Commodity

Primary: Silver
Primary: Lead
Primary: Gold
Primary: Zinc
Secondary: Copper

Location

State: Alaska
District: Valdez 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: Polymetallic veins

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Gossan developed at surface.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Stibnite
Ore: Sphalerite
Ore: Galena
Ore: Chalcopyrite
Ore: Arsenopyrite
Gangue: Quartz

Comments

Comment (Exploration): Status = Probably inactive

Comment (Geology): Age = Late Triassic or younger.

Comment (Reference): Primary Reference = Balen and others, 1991

Comment (Deposit): Model Name = Polymetallic vein (Cox and Singer, 1986; model 22c)

Comment (Deposit): Other Comments = This deposit was discovered during regional geologic reconnaissance by the Bureau of LAnd Management (Balen and others, 1991).

Comment (Geology): Geologic Description = The country rocks at this prospect are Upper Triassic limestone and basalt flows. The deposit consists of disseminated sulfides in the country rocks, and a stockwork of sulfide-bearing quartz veinlets. The sulfide minerals are arsenopyrite, stibnite, chalcopyrite, galena, and sphalerite. The stockwork is about 100 feet wide, and is open along strike. Analyses of 27 samples gave maximum values of 0.9 ounces of gold per ton , 4.4 ounces of silver per ton, 1.8 percent lead, 1.2 percent zinc and 4 percent antimony (Balen, 1990: OFR 34-90).

Comment (Workings): Workings / Exploration = There has only been surface sampling.

References

Reference (Deposit): Balen, M.D., 1990, Geochemical sampling results from the Bureau of Mines Investigations in the Valdez Creek mining district, Alaska: U.S. Bureau of Mines Open-File Report 34-90, 218 p., 2 plates, scale 1:250,000.

Reference (Deposit): Balen, M.D., and others, 1991, Executive summary of the Bureau of Mines investigations in the Valdez Creek mining district, Alaska: U.S. Bureau of Mines Special Publication, 43 p.

Reference (Deposit): Balen, M.D., 1990, Geochemical sampling results from the Bureau of Mines investigations in the Valdez Creek mining district, Alaska: U.S. Bureau of Mines Open-File Report 34-90, 218 p., 2 plates, scale 1:250,000.

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