The Unnamed (on Costello Creek) 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 (on Costello Creek) MRDS details
Site Name
Primary: Unnamed (on Costello Creek)
Commodity
Primary: 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
Model Name: Placer Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Geology): Geologic Description = Gold has been reported in an alluvial placer along Costello Creek, from its confluence with the Bull River upstream for about 2 miles. Costello Creek drains a atchment basin containing porphyry, skarn, polymetallic, and epithermal veins, all with significant gold contents.
Comment (Deposit): Model Name = Placer Au (Cox and Singer, 1986; model 39a)
Comment (Geology): Age = Quaternary.
Comment (Reference): Primary Reference = Cobb, 1978 (OFR 78-1062)
Comment (Workings): Workings / Exploration = Minor surface workings show traces of gold in placer samples (Balen, 1990: OFR 34-90).
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Balen, M.D., 1990, Geochemical sampling results from the Bureau of Mines Investigations in the Valdez Creek mining district, Alaska: U.S. Bureau of Mines Open-File Report 34-90, 218 p., 2 plates, scale 1:250,000.
Reference (Deposit): Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Healy quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-1062, 113 p.
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