Wide Bay

The Wide Bay is a 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: Wide Bay

Commodity

Primary: Copper

Location

State: Alaska
District: Aleutians

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: Silicification is the only form of alteration other than oxidation described. Leaching ranges from moderate to intense.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Ore: Pyrite

Comments

Comment (Reference): Primary Reference = Christie, 1974

Comment (Workings): Workings / Exploration = Brief reconnaissance mapping and collection of one silt sample yielding background results for copper, molybdenum, zinc, silver, and gold.

Comment (Geology): Geologic Description = This is a very small (100 by 200 ft, 30 by 60 m) color anomaly localized along andesite dikes that cut volcanic flows and pyroclastic rocks of the Unalaska Formation (see Drewes and others, 1961). Chalcopyrite and pyrite occurs as disseminations in narrow envelopes in wall rocks surrounding the dikes which trend 300x (N30xE) and dip steeply south. Oxidation obscures original textures and may have obliterated evidence of primary chalcopyrite. Very minor chalcopyrite remains. Fracturing is moderately developed.

Comment (Exploration): Status = Inactive

Comment (Geology): Age = Miocene or younger

References

Reference (Deposit): Drewes, Harold, Fraser, G.D., Snyder, G.L., and Barnett, H.F., Jr., 1961, Geology of Unalaska Island and adjacent insular shelf, Aleutian Islands, Alaska: U.S. Geological Survey Bulletin 1028-S, p. 583-676.

Reference (Deposit): Christie, J.S., 1974, Aleut-Quintana-Duval 1974 joint venture, final report: Unpublished Quintana Minerals Corporation report, 24 p., 3 appendices, 2 maps. (Report held by the Aleut Corporation, Anchorage, Alaska.)

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