The Unnamed (northwest of Scott Glacier) is a zinc 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 (northwest of Scott Glacier) MRDS details
Site Name
Primary: Unnamed (northwest of Scott Glacier)
Commodity
Primary: Zinc
Location
State: Alaska
District: Copper River
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
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Pyrrhotite
Ore: Pyrite
Ore: Chalcopyrite
Comments
Comment (Reference): Primary Reference = Jansons and others, 1984
Comment (Workings): Workings / Exploration = Three grab samples contained from 210 ppm to 0.77% Zn.
Comment (Deposit): Other Comments = Site is in the Chugach National Forest.
Comment (Geology): Geologic Description = This occurrence consists of talus blocks of slate and greenstone at the base of iron-stained outcrop. The slate contains chalcopyrite, pyrite, and sphalerite. The greenstone contains chalcopyrite and pyrrhotite (Jansons and others, 1984). Host rocks mapped as part of the Tertiary Orca Group (Nelson and others, 1985). Three grab samples contained from 210 ppm to 0.77% Zn.
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Nelson, S.W., Dumoulin, J. A., and Miller, M.L., 1985, Geologic map of the Chugach National Forest, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1645-B, 16 p., 1 sheet, scale 1:250,000.
Reference (Deposit): Jansons, Uldis, Hoekzema, R.B., Kurtak, J.M., and Fechner, S.A., 1984, Mineral occurrences in the Chugach National Forest, Southcentral Alaska: U.S. Bureau of Mines Open-File Report 5-84, 218 p., 2 sheets, scale 1:250,000.
Reference (Deposit): Nelson, S.W., Dumoulin, J. A., and Miller, M.L., 1985, Geologic map of the Chugach National Forest, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1645-B, scale 1:250,000.
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