The Unnamed (southeast of Hess Mountain) is a copper and 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 (southeast of Hess Mountain) MRDS details
Site Name
Primary: Unnamed (southeast of Hess Mountain)
Commodity
Primary: Copper
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: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Massive sulfide, Besshi (Japanese deposits)
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Comments
Comment (Exploration): Status = Inactive
Comment (Reference): Primary Reference = This record
Comment (Workings): Workings / Exploration = There has been only surface mapping and sampling.
Comment (Deposit): Model Name = Besshi massive sulfide(?) (Cox and Singer, 1986; model 24b)
Comment (Geology): Geologic Description = The country rocks in the area of this prospect are Upper Triassic, carbonaceous, calcareous shale, argillite, sandstone, and siltstone. This sequence is cut by dikes, sills, and plugs altered diabase and gabbro (Wilson and others, 1998). The deposit presumably consists of auriferous chalcopyrite and possibly other sulfides, disseminated in the sedimentary and (or) intrusive rocks.
Comment (Geology): Age = Late Triassic or younger.
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.
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