Unnamed (near Shelter Cove)

The Unnamed (near Shelter Cove) is a 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

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Site Name

Primary: Unnamed (near Shelter Cove)

Commodity

Primary: Gold

Location

State: Alaska
District: Homer

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: Low-sulfide Au-quartz vein

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Clay gouge occurs in the center of the vein and along hanging wall of northern occurrence.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Pyrite
Ore: Gold
Ore: Arsenopyrite
Gangue: Quartz

Comments

Comment (Geology): Age = Tertiary; Boden and others (1991) report other veins in the district are about 55 m.y. old.

Comment (Reference): Primary Reference = Richter, 1970

Comment (Geology): Geologic Description = Both occurrences are in massive graywacke of the Cretaceous Valdez Group (Richter, 1970). The northern most exposure is a two-foot-wide quartz-arsenopyrite vein that strikes N80E. and dips vertically. The vein has a thin clay gouge zone in the center and along the hanging wall margin. A single channel sample assayed 0.02 ppm gold (Richter, 1970). The southern occurrence is a four-foot-wide zone of fractured graywacke with quartz-arsenopyrite lens that varies from 0.5- to 2-feet-thick. A two foot channel sample taken across the widest part of the mineralization contained 0.062 ppm gold (Richter, 1970).

Comment (Deposit): Other Comments = This prospect is within Kenai Fjords National Park, the area is now closed to mineral entry.

Comment (Deposit): Model Name = Low-sulfide, Au-quartz vein (Cox and Singer, 1986; model 36a)

Comment (Reserve-Resource): Reserves = None reported.

Comment (Exploration): Status = Inactive

Comment (Workings): Workings / Exploration = Samples from the southern occurrence assayed 0.62 ppm gold and from the northern occurrence assayed 0.028 ppm gold (Richter, 1970).

References

Reference (Deposit): Richter, D.H., 1970, Geology and lode-gold deposits of the Nuka Bay area, Kenai Peninsula, Alaska: U.S. Geological Survey Professional Paper 625-B, p. Bl-B16.

Reference (Deposit): Pilgrim, E.R., 1933, Progress of lode mining in interior Alaska, 1932: Alaska Territorial Department of Mines Miscellaneous Report 194, 11 p.

Reference (Deposit): Cobb, E.H., 1979, Summary of references to mineral occurrences (other than minerals fuels and construction materials) in the Seldovia quadrangle, Alaska: U.S. Geological Survey Open-file Report 80-87, 47 p.

Reference (Deposit): Cobb, E.H., 1972, Metallic minerals resources map of the Seldovia quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-397, 1 sheet, scale 1:250,000.

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