Unnamed (southwest slope of Rusty Hill)

The Unnamed (southwest slope of Rusty Hill) is a copper 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 slope of Rusty Hill)

Commodity

Primary: Copper
Secondary: Silver
Secondary: Gold

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: 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: Hydrothermal alteration has been described as pyritization and quartz veining.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Pyrrhotite
Ore: Pyrite
Ore: Gold
Ore: Chalcopyrite
Gangue: Quartz

Comments

Comment (Geology): Age = Hornblende has been K/Ar-dated by Smith (1981) at 64.1 Ma.

Comment (Reference): Primary Reference = Smith, 1981

Comment (Workings): Workings / Exploration = Surface sampling only.

Comment (Exploration): Status = Inactive

Comment (Geology): Geologic Description = The country rock at this occurrence is spotted phyllite (Smith, 1981). The deposit consists of hydrothermally altered pyritized phyllite(?), cut along fractures by numerous quartz-sulfide veins as much as a foot thick (Ross, 1933). The sulfide minerals are pyrite, pyrrhotite, and chalcopyrite that carry trace amounts of gold and silver. The prospect has been known since the mid-1930's, and displays a distinct color anomaly.

References

Reference (Deposit): Ross, C.P., 1933, The Valdez Creek mining district, Alaska: U.S. Geological Survey Bulletin 849, p. 289-467.

Reference (Deposit): Smith, T.E., 1981, Geology of the Clearwater Mountains, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Geologic Report 60, 72 p., 3 sheets, scale 1:63,360.

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