The Alameda 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
Alameda Creek MRDS details
Site Name
Primary: Alameda Creek
Commodity
Primary: Gold
Location
State: Alaska
District: Koyuk
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
Model Name: Placer Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Magnetite
Comments
Comment (Deposit): Other Comments = Stream gradient approximately 50 feet per mile.
Comment (Workings): Workings / Exploration = In the early 1900's one shaft was sunk 192 feet without reaching bedrock (Smith and Eakin, 1911). It was mainly in well-rounded quartz gravel. Another shaft hit lava at 32 feet. Gravel on bedrock contained about $0.01 per pan (gold at $20.67/ounce).
Comment (Deposit): Model Name = Placer Au-PGE (Cox and Singer, 1986; model 39a).
Comment (Reference): Primary Reference = Smith and Eakin, 1911
Comment (Production): Production Notes = Gold was too scarce to support mining operations in 1909.
Comment (Geology): Geologic Description = This gold placer prospect occurs in a short section of Alameda Creek. The deposit apparently is in a paleochannel uncut by the present stream. The deposit was explored by shafts, from which a small amount of gold was recovered. Pan concentrates contained a little gold, much magnetite and some undecomposed sulfides. Gravel on bedrock contained about $0.01 per pan (gold at $20.67/ounce) (Smith and Eakin, 1911).
Comment (Exploration): Status = Inactive
Comment (Geology): Age = Quaternary.
References
Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Candle, Holy Cross, Norton Bay, Nulato, and Unalakleet quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-866, 102 p.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Candle Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-389, 1 sheet, scale 1:250,000.
Reference (Deposit): Smith, P.S. and Eakin, H.M., 1910, Mineral resources of the Nulato-Council region: U.S. Geological Survey Bulletin 442, 432 p.
Reference (Deposit): Cobb, E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 p.
Reference (Deposit): Koschmann, A.H. and Bergendahl, M.H., 1968, Principal gold producing districts of the United States: U.S. Geological Survey Professional Paper 610, 283 p.
Reference (Deposit): Smith, P.S. and Eakin, H.M., 1911, Mineral resources of Alaska 1910: U.S. Geological Survey Bulletin 480, 333 p..
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