Unnamed (in the headwaters of French Creek)

The Unnamed (in the headwaters of French Creek) is a zinc 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: Unnamed (in the headwaters of French Creek)

Commodity

Primary: Zinc

Location

State: Alaska
District: Fairhaven

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

Not available

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: The occurrence is oxidized; gossan is well developed.

Rocks

Not available

Analytical Data

Not available

Materials

Gangue: Quartz
Gangue: Limonite
Gangue: Hematite

Comments

Comment (Geology): Age = Cretaceous ; Epigenetic mineralization in metamorphic rocks of Seward Peninsula is primarily of Cretaceous age.

Comment (Reference): Primary Reference = Gamble, 1988

Comment (Geology): Geologic Description = Quartz-hematite (?) veins and gossan zones in marble are developed near a small fault (Gamble, 1988). A sample of gossan contained 20 % Fe, 1,100 ppm As, 270 ppm Zn, 80 ppm Sb, and 10 ppm Mo. A sample of the veins contained 1,400 ppm Zn and 250 ppm As. The marble is Lower Paleozoic in age (Till and others, 1986).

Comment (Deposit): Model Name = Quartz veins in marble

Comment (Workings): Workings / Exploration = There are no known workings here.

Comment (Exploration): Status = Inactive

References

Reference (Deposit): Gamble, B.M., 1988, Non-placer mineral occurrences in the Solomon, Bendeleben, and southern part of the Kotzebue quadrangles, western Alaska: U.S. Geological Survey Map MF-1838-B, 13 p., 1 sheet, scale 1:250,000.

Reference (Deposit): Till, A.B., Dumoulin, J.A., Gamble, B. ., Kaufman, D.S., and Carroll, P.I., 1986, Preliminary geologic map and fossil data, Soloman, Bendeleben, and southern Kotzebue quadrangles, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 86-276, 10 p., 3 plates, scale 1:250,000.

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