The Unnamed (west side of Selatna Hills) is a copper, lead, and silver 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 (west side of Selatna Hills) MRDS details
Site Name
Primary: Unnamed (west side of Selatna Hills)
Commodity
Primary: Copper
Primary: Lead
Primary: Silver
Secondary: Zinc
Location
State: Alaska
District: McGrath
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: Polymetallic veins
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Gossan.
Rocks
Not available
Analytical Data
Not available
Materials
Not available
Comments
Comment (Geology): Geologic Description = A ferrigenous gossan occurs in a prominent north-south trending, high-angle fault zone on the west side of the Selatna Hills in the southwest McGrath quadrangle. The zone can be traced for about 950 meters along strike and is locally up to 60 meters wide, based on the appearance of ferrigenous seeps and rubble. The high-angle fault juxtaposes siltstone of the Late Cretaceous Kuskokwim Group flysch against axinite-bearing hornfels related to the early Cretaceous (61.0 Ma) Selatna pluton (Solie and others, 1991; Wilson and others, 1998). Three soil samples (78BT327-329) taken along a 150 meter-long line immediately south of the creek average 1.9 ppm silver, 169 ppm copper, 130 ppm lead, and 246 ppm zinc.
Comment (Workings): Workings / Exploration = Four soil samples taken in 1978 along a 500 foot long line immediately south of the creek average 1.9 ppm silver, 169 ppm copper, 130 ppm lead, and 246 ppm zinc (T.K. Bundtzen, unpublished data).
Comment (Commodity): Gangue = Ferricrete gossan
Comment (Reference): Primary Reference = This description
Comment (Deposit): Model Name = Polymetallic vein(?) (Cox and Singer, 1986; model 22c).
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Wilson, F.H., Dover, J.H., Bradley, D.C., Weber, F.R., Bundtzen, T.K., and Haeussler, P.J., 1998, Geologic map of central (interior) Alaska: U.S. Geological Survey Open-File Report 98-133, 17 p., 2 sheetsm, scale 1:500,000.
Reference (Deposit): Solie, D.N., Bundtzen, T.K., and Gilbert, W.G., 1991, K-Ar ages of igneous rocks in the McGrath quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Public Data File Report 160, 17 pages, one sheet, 1:250,000 scale.
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