West Lodes

The West Lodes is a silver and gold 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 Lodes
Secondary: Sowhat

Commodity

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

Location

State: Alaska
District: Alaska Peninsula

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: Polymetallic veins

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: The veins exhibit an alteration halo of unknown type.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Sphalerite
Ore: Pyrite
Ore: Galena
Ore: Chalcopyrite
Gangue: Quartz
Gangue: Calcite

Comments

Comment (Deposit): Other Comments = This prospect is located on land patented by, or interim-conveyed to, the Aleut Corporation.

Comment (Workings): Workings / Exploration = In the past the occurrence was located on two unpatented claims (Wilson and others, 1988). UNC Teton Exploration Drilling Conpany mapped and sampled the site in 1982. Grab samples were reported to contain as much as 1.18 ppm gold, 78.2 ppm silver, and 9.9 percent zinc (Peterson and others, 1982).

Comment (Geology): Geologic Description = This occurrence consists of two parallel quartz veins that strike northeast and cut andesite? belonging to the late Eocene to early Oligocene Popof volcanic rocks (Wilson and others, 1995). Vein I is 1 to 4 feet thick and is intermittently exposed over a strike length of 800 to 1,000 feet (Wilson and others, 1988). Vein II is as much as 4.6 feet thick and has a strike length of 800 feet. The veins project into the ocean to the south and appear to pinch out to the north. The best mineralization consists of high-grade pods of banded sphalerite and galena, accompanied by chalcopyrite and pyrite, in a gangue of calcite and quartz. Grab samples contain as much as 1.18 ppm gold, 78.2 ppm silver, and 9.9 percent zinc (Peterson and others, 1982).

Comment (Geology): Age = Eocene or younger.

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

Comment (Reference): Primary Reference = Peterson and others, 1982

Comment (Exploration): Status = Inactive

References

Reference (Deposit): Peterson, R.J., Lemmers, J., Handverger, P., Gallagher, J., Pilcher, R., East, J., Macleod, T., Bartels. E., 1982, Geology and precious metals potential Unga, Popof, and Korovin Islands, Shumagin Group, Aleutian Chain, Alaska: UNC Teton Exploration Drilling Company report, 127 p., 5 map sheets, various scales. (Report held by the Aleut Corporation, Anchorage, Alaska.)

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.)

Reference (Deposit): Webber, B.S., Moss, J.M., Rutledge, F.A., and Sanford, R.S., 1946, Reconnaissance examinations of parts of the Alaska Peninsula and Aleutian Islands southwestern Alaska: U.S. Bureau of Mines, unpublished report of investigations, 40 p. (Unpublished report held by the U.S. Geological Survey, Anchorage.)

Reference (Deposit): Wilson, F.H., White, W.H., and DuBois, G.D., 1988, Brief descriptions of mines, prospects, and mineral occurrences in the Port Moller and Stepovak Bay quadrangles, Alaska Peninsula: U.S. Geological Survey Open-File Report 88-666, 128 p., scale 1:250,000.

Reference (Deposit): Wilson, F.H., Detterman, R.L., Miller, J. W., and Case, J.E., 1995, Geologic map of the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska: U.S. Geological Survey Miscellaneous Investigation Series Map I-2272, 1 map sheet, scale 1:250,000.

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