The Unnamed (southwest slope of Rusty Hill) is a copper 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 (southwest slope of Rusty Hill) MRDS details
Site Name
Primary: Unnamed (southwest slope of Rusty Hill)
Commodity
Primary: Copper
Secondary: Silver
Secondary: 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
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Hydrothermal alteration has been described as pyritization and quartz veining.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Pyrrhotite
Ore: Pyrite
Ore: Gold
Ore: Chalcopyrite
Gangue: Quartz
Comments
Comment (Geology): Age = Hornblende has been K/Ar-dated by Smith (1981) at 64.1 Ma.
Comment (Reference): Primary Reference = Smith, 1981
Comment (Workings): Workings / Exploration = Surface sampling only.
Comment (Exploration): Status = Inactive
Comment (Geology): Geologic Description = The country rock at this occurrence is spotted phyllite (Smith, 1981). The deposit consists of hydrothermally altered pyritized phyllite(?), cut along fractures by numerous quartz-sulfide veins as much as a foot thick (Ross, 1933). The sulfide minerals are pyrite, pyrrhotite, and chalcopyrite that carry trace amounts of gold and silver. The prospect has been known since the mid-1930's, and displays a distinct color anomaly.
References
Reference (Deposit): Ross, C.P., 1933, The Valdez Creek mining district, Alaska: U.S. Geological Survey Bulletin 849, p. 289-467.
Reference (Deposit): Smith, T.E., 1981, Geology of the Clearwater Mountains, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Geologic Report 60, 72 p., 3 sheets, scale 1:63,360.
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