Anderson Bay

The Anderson Bay is a gold, silver, molybdenum, 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: Anderson Bay

Commodity

Primary: Gold
Primary: Silver
Primary: Molybdenum
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

Model Name: Epithermal vein, generic
Model Name: Porphyry Cu-Mo
Model Name: Porphyry Cu

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Only gossan and ferruginous alteration mentioned along with moderate leaching.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Pyrite

Comments

Comment (Workings): Workings / Exploration = Forty-two silt and soil samples were collected during reconnasissance mapping. Samples yielded up to 64 ppm molybdenum, 215 ppm copper, 1.6 ppm silver, and 0.05 ppm gold.

Comment (Reference): Primary Reference = Christie, 1974

Comment (Geology): Geologic Description = Country rock consists of amygdaloidal basic volcanic flows and pyroclastic rocks, often highly ferrigenous. Christie (1974) mentioned, but did not describe a nearby intrusive body. Strongly developed, but very local and irregularly distributed gossan bodies are present due to high amounts of disseminated pyrite in rock. Fracturing is poorly to moderately developed, no orientation was reported. Work focused on two zones, 75 ft (23 m) by 100 ft (30 m) in size that contain up to 5 percent disseminated pyrite.

Comment (Deposit): Model Name = Copper porphyry, porphyry copper-molybdenum, epithermal gold vein

Comment (Deposit): Model Number = 17, 21a, 25

Comment (Exploration): Status = Inactive

Comment (Geology): Age = Cenozoic

References

Reference (Deposit): Christie, J.S., 1974, Aleut-Quintana-Duval 1974 joint venture, final report: Unpublished Quintana Minerals Corporation report, 24 p., 3 appendices, 2 maps.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