The Granite Creek is a gold 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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Granite Creek MRDS details
Site Name
Primary: Granite Creek
Commodity
Primary: Gold
Secondary: Chromium
Location
State: Alaska
District: Iditarod
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Placer Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Gold Iron Stained
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Chromite
Comments
Comment (Production): Production Notes = Produced 4,004 oz. Au 1910-56. Mined again in 1980's, post 1956 production estimated at >136 oz. Au
Comment (Workings): Workings / Exploration = Surface: pits
Comment (Reference): Primary Reference = Mertie, 1936
Comment (Deposit): Model Name = Placer: stream, bench
Comment (Deposit): Other Comments = Stream gradient, 150-200 ft. per mile. Fineness 853 parts Au, 134 parts Ag (Mertie, 1936 p. 221); actively mined 1985-1994
Comment (Geology): Geologic Description = Gravel is 8-12 ft. thick; upper 2 ft. of bedrock also mined for sufficient pay. Chromite reported in concentrates (Cobb, 1973).
Comment (Exploration): Status = Inactive
Comment (Geology): Age = Tertiary/Quaternary
References
Reference (Deposit): Cobb, E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 pages.
Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction material) in the Iditarod and Ophir quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-576, 101 p.
Reference (Deposit): Miller, M.L., Bundtzen, T.K., Keith, W.J., Bailey, E.A., Bickerstaff, Damon, 1996, Geology and mineral resources of the Stuyahok area, part of Holy Cross A-4 and A-5 quadrangles, Alaska: U.S. Geological Survey Open-File Report 96-505-A, 30 p.
Reference (Deposit): Mertie, J.B., Jr., 1936, Mineral deposits of the Ruby-Kuskokwim region, Alaska: U.S. Geological Survey Bulletin 864-C, 115-245.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Iditarod quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-363, 1 sheet, scale 1:250,000.
Reference (Deposit): Swainbank, R.C., Bundtzen, T.K., Clough, A.H., Henning, M.W., and Hansen E.W., 1995, Alaska's mineral industry 1994: Alaska Division of Geological and Geophysical Surveys Special Report 49, 77 p.
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