The Unnamed (north-northwest of Reds Lake) 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 (north-northwest of Reds Lake) MRDS details
Site Name
Primary: Unnamed (north-northwest of Reds Lake)
Commodity
Primary: Copper
Location
State: Alaska
District: Chandalar
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
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Malachite
Ore: Azurite
Ore: Pyrite
Ore: Pyrrhotite
Comments
Comment (Commodity): Ore Material = Unspecified copper sulfides (chalcopyrite) and/or malachite-azurite
Comment (Reference): Primary Reference = Brosgi and Reiser, 1964
Comment (Geology): Geologic Description = This occurrence is described only as copper sulfides and/or malachite-azurite stains in Devonian limestone and siltstone overlying the Skajit Limestone (Brosgi and Reiser, 1964). A small body of greenstone is nearby. Schmidt (1997, loc. 50) includes this prospect in a group of three, presumably similar deposits. They consist of quartz veinlets containing malachite-azurite plus or minus pyrite, chalcopyrite, and pyrrhotite in the Silurian and Devonian Skajit(?) Limestone and overlying siltstone and limestone (Beaucoup Formation?). No other information is available.
Comment (Deposit): Model Name = Polymetallic veins(?) (Cox and Singer, 1986; model 22c)
Comment (Commodity): Ore Material = Unspecified copper sulfides (chalcopyrite) and/or malachite-azurite
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Schmidt, J.M., 1997, Shale-hosted Zn-Pb-Ag and barite deposits of Alaska, in Goldfarb, R.J., and Miller, L.D., eds., Mineral Deposits of Alaska, 1997: Economic Geology Monograph 9, p. 35-65.
Reference (Deposit): Cobb, E.H., and Cruz, E.L., 1983, Summaries of data and lists of references to metallic and selected nonmetallic mineral deposits in the Chandalar quadrangle, Alaska: U.S. Geological Survey Open-File Report 83-278, 91 p.
Reference (Deposit): DeYoung, J.H., Jr., 1978, Mineral resources map of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-878-B, 2 sheets, scale 1:250,000.
Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Chandalar and Wiseman quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-340, 205 p.
Reference (Deposit): Grybeck, D.J., 1977, Known mineral deposits of the Brooks Range, Alaska: US Geological Survey Open-File Report 77-166C, 41 p., 1 sheet, scale 1:1,000,000.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-457, 1 sheet, scale 1:250,000.
Reference (Deposit): Brosgi, W.P., and Reiser, H.N., 1964, Geologic map and section of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Geologic Investigations Map 1-375, 1 sheet, scale 1:250,000.
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