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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Unnamed (near Shelter Cove) MRDS details
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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