Unnamed (southwest of Long Lake)

The Unnamed (southwest of Long Lake) is a lead 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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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 (southwest of Long Lake)

Commodity

Primary: Lead
Secondary: Silver

Location

State: Alaska
District: Chistochina

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: Polymetallic veins

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Galena
Gangue: Quartz

Comments

Comment (Exploration): Status = Inactive

Comment (Reference): Primary Reference = Richter, 1966

Comment (Workings): Workings / Exploration = Prospect pits.

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

Comment (Deposit): Other Comments = Additional information can be obtained from Ahtna Minerals in Anchorage, Alaska.

Comment (Commodity): Gangue = Carbonate minerals

Comment (Geology): Age = Emplaced subseqent to or is related to the border phase of the Pennsylvanian to Permian, Ahtell pluton.

Comment (Geology): Geologic Description = The prospect is in the Border Zone phase of the Pennsylvanian to Permian, Ahtell quartz monzonite pluton (Richter, 1966; Richter, Lanphere, and Matson, 1975). It is about 1/4 mile east of the contact of the pluton with rocks of the Pennsylvanian to Permian, Tetelna Formation. The deposit is a a quartz or quartz-carbonate vein that contains galena. The vein strikes north-northeast and dips 32 degrees East (Richter, fig. 5, 1966; WGM Inc., 1979).

References

Reference (Deposit): WGM Inc., 1979, 1978 Annual Progress Report, Uranium Exploration, Ahtell Creek Area, Volume I: WGM Inc., 39 p., appendices and 4 maps. (Report available, Ahtna Mineral Co., Anchorage, Alaska).

Reference (Deposit): Richter, D.H., Lanphere, M.A., and Matson, N. A., Jr., 1975, Granite plutonism and metamorphism, Eastern Alaska Range, Alaska: Geological Society of American Bulletin, v. 86, p. 819-820.

Reference (Deposit): Richter, D.H., 1966, Geology of the Slana district on south-central Alaska: Alaska Division of Geological and Geophysical Surveys Geological Report 2l, 36b p., 3 sheets, scale 1:63,360.

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