Unnamed

The Unnamed 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

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Unnamed

Commodity

Primary: Silver
Primary: Gold
Secondary: Zinc

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: Epithermal vein, generic

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Propylitic and argillic alteration reported along with weak leaching.

Rocks

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

Name: Granite
Role: Host
Age Type: Associated Rock
Age Young: Pliocene

Analytical Data

Not available

Materials

Not available

Comments

Comment (Exploration): Status = Inactive

Comment (Reference): Primary Reference = Christie, 1974

Comment (Workings): Workings / Exploration = Brief reconnaissance geologic mapping and a few soil and silt samples. Gold, silver, and zinc were slightly anomalous, at 0.02, 1.4, and 104 ppm , respectively. Copper and molybdenum were at background levels.

Comment (Deposit): Model Name = Epithermal gold vein

Comment (Geology): Geologic Description = Christie (1974) described a color anomaly associated with a weak gossan developed at the contact of a quartz diorite pluton with volcanic rocks of the Belkofski Formation. Volcanic rocks include andesitic crystal tuffs and flows. The area of gossan is a maximum of 5,000 by 3,000 ft (1,500 by 900 m) and shows disseminated pyrite mineralization, generally in trace amounts, but locally as high as 2 percent. Approximately half of the pyrite is fracture controlled in local zones of higher pyrite content.

Comment (Deposit): Other Comments = In Christie's (1974) evaluation, this occurrence had no sufficiently large covered area to hide a porphyry system and no copper mineralization was suggested.

Comment (Geology): Age = Pliocene or younger

References

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): 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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