Lichen

The Lichen is a gold, copper, 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: Lichen
Secondary: Rush

Commodity

Primary: Gold
Primary: Copper
Primary: Silver

Location

State: Alaska
District: Valdez Creek

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: Volcanic-hosted Cu-As-Sb
Model Name: Polymetallic veins
Model Name: Low-sulfide Au-quartz vein

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Some gossan staining bedrock.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Bornite
Ore: Chalcopyrite
Ore: Covellite
Ore: Digenite
Ore: Gold
Ore: Malachite
Gangue: Chlorite
Gangue: Epidote

Comments

Comment (Geology): Geologic Description = Host rocks are meta-volcanics and quartz sandstone of Paleozoic age. Veins and disseminations of sulfides in a zone in a mafic volcanic flow; mineralized zone about 6 ft by 3,000 ft (2 m by 900 m), appears confined to a single flow. Host rocks have undergone greenschist-facies metamorphism.

Comment (Deposit): Model Number = 22a, or 22c, or 36a?

Comment (Reference): Primary Reference = Smith and others, 1975

Comment (Workings): Workings / Exploration = Two trenches yielding samples showing up to 4.5% Cu, 16 ppm Au, and 68 ppm Ag (Smith and others, 1975).

Comment (Deposit): Model Name = Volcanic-hosted copper, or polymetallic vein, or gold-quartz vein? (Cox and Singer, 1986; model 22a, or 22c, or 36a?)

Comment (Exploration): Status = Inactive

References

Reference (Deposit): Smith, T.E., Bundtzen, T.K., and Trible, T.C., 1975, Stratabound copper-gold occurrence, northern Talkeetna Mountains, Alaska: Alaska Division of Geological and Geophysical Surveys Miscellaneous Paper 3, 7 p.

Reference (Deposit): Cobb, E.H., and Csejtey, Bela, Jr., 1980, Summaries of data on and lists of references to metallic and selected nonmetallic mineral deposits in the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-716, 63 p.

Reference (Deposit): Csejtey, Bela, Jr., and Miller, R.J., 1978, Map and table describing metalliferous and selected nonmetalliferous mineral deposits in the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-558-B, 20 p., 1 plate, scale 1:250,000.

Reference (Deposit): Kurtak, J.M., Southworth, D.D., Balen, M.D., and Clautice, K.H., 1992, Mineral investigations in the Valdez Creek mining district, south-central Alaska: U.S. Bureau of Mines Open-File Report 1-92, 659 p., 2 plates, scale 1:250,000.

Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.

Reference (Deposit): Singer, D.A., Csejtey, Bela, Jr., and Miller, R.J., 1978, Map and discussion of the metalliferous and selected nonmetalliferous mineral resources of the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Open-file Report 78-588-Q, 33 p., 1 plate, scale 1:250,000.

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