The Unnamed (southeast of Merrill Pass) is a molybdenum, silver, zinc, and lead 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: Molybdenum, Silver, Zinc, Lead
Lat, Long: 61.15028, -153.24778
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Unnamed (southeast of Merrill Pass) MRDS details
Site Name
Primary: Unnamed (southeast of Merrill Pass)
Commodity
Primary: Molybdenum
Primary: Silver
Primary: Zinc
Primary: Lead
Location
State: Alaska
District: Redoubt
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 Mo, low-F
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Silicification.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Galena
Ore: Molybdenite
Ore: Pyrite
Ore: Sphalerite
Gangue: Quartz
Comments
Comment (Reference): Primary Reference = Cobb and Reed, 1981
Comment (Workings): Workings / Exploration = Reconnaissance sampling has been completed in this area.
Comment (Geology): Geologic Description = Cobb and Reed (1981) reported that molybdenite- and pyrite-bearing quartz veins are present in Tertiary granitic rocks at this locality. Galena- and sphalerite-bearing veins are also present nearby. The veins are disseminated and appear to be associated with quartz monzonite and in adjacent fractured quartz diorite. Samples of veins contain as much as 3 ounces of silver per ton (Resource Associates of Alaska, unpublished data, 1976).
Comment (Deposit): Other Comments = This occurrence is within Lake Clark National Preserve.
Comment (Deposit): Model Name = Porphyry Mo, low-F? (Cox and Singer, 1986, model 21b)
Comment (Exploration): Status = Inactive
Comment (Geology): Age = Tertiary. Sulfide-bearing quartz veins crosscut Tertiary granitic rocks.
References
Reference (Deposit): Resource Associates of Alaska, Inc., 1976, Geology and geochemistry of certain land within the Lake Clark National Park: Contract report for U.S. Bureau of Mines, 109 p.
Reference (Deposit): Cobb, E.H., and Reed, B.L., 1981, Summaries of data on and lists of references to metallic and selected nonmetallic mineral occurrences in the Iliamna, Lake Clark, Lime Hills, and McGrath quadrangles, Alaska; Supplement to Open-File Report 76-485; Part A, Summaries to January 1, 1981: U.S. Geological Survey Open-File Report 81-1343-A, 25 p.
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