The Unnamed (south of Chignik) is 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 (south of Chignik) MRDS details
Site Name
Primary: Unnamed (south of Chignik)
Commodity
Not available
Location
State: Alaska
District: Alaska Peninsula
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: Porphyry Cu
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Pyrite
Ore: Pyrrhotite
Comments
Comment (Workings): Workings / Exploration = The area was examined by Bear Creek Mining Company during the period 1975-1976 (Fields, 1977).
Comment (Deposit): Model Name = Porphyry copper? (Cox and Singer, 1986; model 17)
Comment (Deposit): Other Comments = This site is located on land conveyed to or patented by the Bristol Bay Native Corporation.
Comment (Geology): Geologic Description = This site represents a 3-square-mile color anomaly which generally corresponds in location to a Tertiary quartz diorite stock containing up to 0.25 percent disseminated pyrite. The stock cuts sedimentary rocks of the Tolstoy Formation (Eocene and Paleocene age). The siltstones and sandstones near the intrusive are hornfelsed and carry up to 5 percent pyrrhotite (Fields, 1977).
Comment (Geology): Age = Tertiary.
Comment (Reference): Primary Reference = Fields, 1977
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Fields, E.D., 1977, 1976 Annual report: Alaska search, Chignik area-Bristol Bay region: Bear Creek Mining Company, 44 p., 22 map sheets. (Report held by the Aleut Corporation, Anchorage, Alaska.)
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