West Anton Larsen Bay

The West Anton Larsen Bay is a gold and silver 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: West Anton Larsen Bay
Secondary: Kizhuyak Lode, South

Commodity

Primary: Gold
Primary: Silver

Location

State: Alaska
District: Kodiak

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: Low-sulfide Au-quartz vein, Chugach-type

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Name: Diorite
Role: Host
Age Type: Host Rock
Age Young: Pliocene

Name: Diorite
Role: Host
Age Type: Host Rock
Age Young: Pliocene

Analytical Data

Not available

Materials

Ore: Arsenopyrite
Ore: Gold
Ore: Pyrite
Gangue: Quartz

Comments

Comment (Exploration): Status = Inactive

Comment (Geology): Age = Tertiary

Comment (Workings): Workings / Exploration = The prospect was developed by a 10-foot adit in 1934.

Comment (Geology): Geologic Description = This site represents the southern extension of the Kizhuyak lode as described by Capps (1937). Beach cliffs at this prospect show extensive mineralization in granodiorite near a contact with Cretaceous metasedimentary rocks. The deposit consists of a zone of many quartz veins up to 4 inches in thickness which are heavily mineralized in places with arsenopyrite and pyrite. The full width of the mineralized zone could not be determined. Several hundred feet on strike to the south similar mineralization is exposed in an open cut. The prospect was developed in 1934 by a 10-foot adit driven southward from the beach.

Comment (Reference): Primary Reference = Capps, 1937

Comment (Deposit): Model Name = Chugach-type low-sulfide gold-quartz vein (Bliss, 1992; model 36a.1).

Comment (Deposit): Other Comments = Site is located on land conveyed to the Koniag Corporation.

References

Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Kodiak quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-460, 1 map sheet, scale 1:250,000.

Reference (Deposit): McGee, D.L., 1972, Kodiak Island and vicinity, Alaska, geology and mineral resources: Alaska Division of Geological and Geophysical Surveys Open-File Report 31, 7 p., 1 map sheet, scale 1:250,000.

Reference (Deposit): Rose, A.W., and Richter, D.H., 1967, Geology and stream sediment geochemistry of Anton Larsen Bay and vicinity, Kodiak Island, Alaska: Alaska Division of Mines and Minerals Geologic Report 31, 10 p., 1 sheet, scale 1:63,360.

Reference (Deposit): Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.

Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.

Reference (Deposit): Roehm, J.C., 1936, Preliminary report of Ouzinkie Group, Kodiak Mining District, Kodiak Island, Alaska: Alaska Territorial Department of Mines Prospect Evaluation 131-2, 4 p. (1 sheet, scale 1 inch=100 feet).

Reference (Deposit): Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Afognak, Karluk, Kodiak, and Trinity Islands quadrangles, Alaska: U.S. Geological Survey Open-File Report 79-860, 49 p.

Reference (Deposit): Rose, A.W., and Richter, D.H., 1967, Geology and stream sediment geochemistry of Anton Larsen Bay and vicinity, Kodiak Island, Alaska: State of Alaska Department of Natural Resources, Division of Mines and Minerals, Geologic Report 31, 10 p., 1 map sheet, scale 1:63,360.

Reference (Deposit): Roehm, J.C., 1936, Preliminary report of Kizhuyak Group, Kodiak Mining District, Kodiak Island, Alaska: Alaska Territorial Department of Mines Prospect Evaluation 131-1, 3 p. 1 map sheet, scale 1 inch=3300 feet.

Reference (Deposit): Capps, S.R., 1937, Kodiak and adjacent islands, Alaska, in Smith, P.S. and others, Mineral resources of Alaska, 1934: U.S. Geological Survey Bulletin 880, p. 111-184, 1 map sheet, scale 1:250,000.

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