Unnamed (near Cape Resurrection)

The Unnamed (near Cape Resurrection) is a lead, copper, silver, 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 (near Cape Resurrection)

Commodity

Primary: Lead
Primary: Copper
Primary: Silver
Primary: Zinc
Secondary: Cadmium

Location

State: Alaska
District: Seward

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

Model Name: Massive sulfide, Cyprus

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: None reported.

Rocks

Name: Basalt
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cretaceous

Name: Basalt
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Name: Basalt
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Ore: Galena
Ore: Pyrite
Gangue: Quartz

Comments

Comment (Geology): Age = Cretaceous or younger; breccia zone in Cretaceous basalt.

Comment (Workings): Workings / Exploration = A hand sample contained 3 PPM silver, 70 ppm cadmium, 1500 ppm copper, 3000 ppm lead, and 9,200 PPM Zn (Tysdal, 1978).

Comment (Reference): Primary Reference = Tysdal, 1978

Comment (Deposit): Model Name = Cyprus massive sulfide (Cox and Singer, 1986; model 24a).

Comment (Geology): Geologic Description = The host rock is Upper Cretaceous sheeted basalt of the Valdez Group that has been sheared and brecciated (Tysdal, 1978). The shear and breccia zone is 0.6 meters wide and contains quartz, pyrite, chalcopyrite, and galena. Analysis showed 3 ppm silver, 70 ppm cadmium, 1,500 ppm copper, 3,000 ppm lead, and 9,200 ppm zinc. Tysdal (1978) considers this occurrence to be a volcanogenic massive sulfide deposit.

Comment (Exploration): Status = Inactive

Comment (Commodity): Ore Material = unknown zinc mineral

Comment (Commodity): Ore Material = unknown zinc mineral

References

Reference (Deposit): Cobb, E.H. and Tysdal, R.G., 1980, Summaries of data on and list of references to metallic and selected nonmetallic mineral deposits in the Blying Sound and Seward quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-621, 276 p.

Reference (Deposit): Tysdal, R.G., 1978, Mines, prospects, and occurrences map of the Seward and Blying Sound quadrangles, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-880-A, 2 sheets, scale 1:250,000.

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