The Bonanza 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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Bonanza Creek MRDS details
Site Name
Primary: Bonanza Creek
Commodity
Primary: Gold
Location
State: Alaska
District: Aniak
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
Not available
Rocks
Name: Silt
Role: Host
Age Type: Host Rock
Age Young: Holocene
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Geology): Geologic Description = Most of the placer gold in Bonanza Creek occurs near the mouth of the creek, where it cuts through bench and flood-plain deposits of Bear Creek. The Bonanza Creek deposit is essentially part of the Bear Creek flood plain (RM032). Maddren (1915) reports that bedrock on Bonanza Creek includes granitic rock with malchite-bearing quartz stringers, but most of the bedrock in the Bonanza Creek drainage is Jurassic volcanic rocks locally intruded and thermally metamorphosed by mid-Cretaceous granitic rocks (Box and others, 1993).
Comment (Reference): Primary Reference = Maddren, 1915
Comment (Workings): Workings / Exploration = The U.S. Geological Survey topographic map (1954 edition) shows about 0.5 mile of dredge tailings near the mouth of Bonanza Creek. Mining took place as early as 1913.
Comment (Deposit): Model Name = Placer Au (Cox and Singer, 1986; model 39a)
Comment (Geology): Age = Quaternary.
References
Reference (Deposit): Hoare, J M., and Cobb, E.H., 1972, Metallic mineral resources map of the Russian Mission quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-444, 1 sheet, scale 1:250,000.
Reference (Deposit): Box, S.E, Moll-Stalcup, E.J., Frost, T.P., and Murphy, J.M., 1993, Preliminary geologic map of the Bethel and southern Russian Mission quadrangles, southwestern Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-2226-A, 20 p., scale 1:250,000.
Reference (Deposit): Hoare, J M., and Cobb, E.H., 1972, Metallic mineral resources map of the Russian Mission quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-444, scale 1:250,000.
Reference (Deposit): Hoare, J.M., and Cobb, E.H., 1977, Mineral occurrences (other than mineral fuels and construction materials) in the Bethel, Goodnews, and Russian Mission quadrangles, Alaska: U.S. Geological Survey Open-File Report 77-156, 98 p.
Reference (Deposit): Maddren, A.G., 1915, Gold placers of the lower Kuskokwim with a note on copper in the Russian Mountains: U.S. Geological Survey Bulletin 622-H, p. 292-360.
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