The Unnamed (near Mears Glacier) is a silver, arsenic, and molybdenum 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
Elevation:
Commodity: Silver, Arsenic, Molybdenum
Lat, Long: 61.19, -147.49000
Map: View on Google Maps
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Unnamed (near Mears Glacier) MRDS details
Site Name
Primary: Unnamed (near Mears Glacier)
Commodity
Primary: Silver
Primary: Arsenic
Primary: Molybdenum
Secondary: Copper
Location
State: Alaska
District: Prince William Sound
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
Alteration Type: L
Alteration Text: Oxidation of Fe and Cu minerals.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Pyrite
Gangue: Quartz
Comments
Comment (Geology): Age = Late Cretaceous or younger; veins cuts Late Cretaceous metasedimentary rocks of the Valdez Group.
Comment (Workings): Workings / Exploration = Jansons and others (1984) reported a USGS grab sample contained 30 ppm Ag, 700 ppm As, and 10 ppm Mo.
Comment (Exploration): Status = Inactive
Comment (Deposit): Model Name = Polymetallic veins ? (Cox and Singer, 1986; model 22c ? )
Comment (Geology): Geologic Description = Late Cretaceous metasedimentary rocks of the Valdez Group are cut by a 1 ft wide quartz vein. The vein is heavily limonite-stained and has local copper staining. Pyrite is the only sulfide mineral observed. A USGS grab sample contained 30 ppm Ag, 700 ppm As, and 10 ppm Mo (Jansons and others, 1984).
Comment (Reference): Primary Reference = Jansons and others, 1984
References
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.
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