The Amy Creek 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
Amy Creek MRDS details
Site Name
Primary: Amy Creek
Secondary: Unnamed (upper Amy Creek)
Commodity
Primary: Copper
Location
State: Alaska
District: Chistochina
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Oxidation of copper minerals (?)
Rocks
Name: Gabbro
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Permian
Name: Gabbro
Role: Associated
Age Type: Associated Rock
Age Young: Late Triassic
Name: Gabbro
Role: Associated
Age Type: Host Rock
Age Young: Late Permian
Analytical Data
Not available
Materials
Ore: Pyrite
Comments
Comment (Reference): Primary Reference = Moffit and Mertie, 1923
Comment (Workings): Workings / Exploration = Type of workings: surface. Grab samples (MacKevett, 1976) assayed as much as 1.5 ppm Ag and 2,000 ppm Cu.
Comment (Deposit): Model Name = Lode: vein
Comment (Geology): Geologic Description = Pyrite-bearing veins and altered zones, containing secondary copper minerals, in sedimentary rocks of the Permian Hasen Creek Formation, locally intruded by Triassic gabbro.
Comment (Exploration): Status = Inactive
References
Reference (Deposit): MacKevett, E.M., Jr., Smith, J.G., Jones, D.L., and Winkler, G.R., 1978, Geologic map of the McCarthy C-8 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-1418, 1 sheet, scale 1:63,360.
Reference (Deposit): Moffit, F.H., and Mertie, J.B., Jr., 1923, The Kotsina-Kuskulana district, Alaska: U.S. Geological Survey Bulletin 745, 149 p.
Reference (Deposit): MacKevett, E.M., Jr., Smith, J.G., Jones, D.L., and Winkler, G.R., 1978, Geologic map of the McCarthy C-8 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-1418, scale 1:63,360.
Reference (Deposit): MacKevett, E.M., Jr., 1976, Mineral deposits and occurrences in the McCarthy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-773-B, scale 1:250,000.
Reference (Deposit): Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.
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