The Columbia 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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Columbia Creek MRDS details
Site Name
Primary: Columbia 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: 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
Comments
Comment (Geology): Age = Quaternary.
Comment (Deposit): Model Name = Placer Au-PGE (Cox and Singer, 1986; model 39a).
Comment (Geology): Geologic Description = A placer gold deposit was staked and prospected by churn drilling in 1949 or 1950 along this part of Columbia Creek, but mining apparently has not occurred (Hoare and Cobb, 1977, p. 8). Bedrock in the headwaters of the creek includes Jurassic volcanic rocks intruded by a mid-Cretaceous granitic pluton to the west, and an undated diorite and gabbro pluton to the south (Box and others, 1993). Hoare and Cobb (1977) report that hydrothermally altered bedrock in the low divide at the head of the creek (where Box and others, 1993, map diorite or gabbro) was prospected by pits and trenches before 1949. Frost (1990, fig. 1, loc. 4) reports that a quartz vein in sandstone or quartz porphyry from this general area contains 0.40 ppm Au.
Comment (Workings): Workings / Exploration = Claims were staked and prospected in 1949 or 1950 using a churn drill. Hydrothermally altered bedrock at head of valley was prospected by pits and trenches before 1949.
Comment (Reference): Primary Reference = Hoare and Cobb, 1977
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Bethel quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-455, 1 sheet, 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): Frost, T.P., 1990, Geology and geochemistry of mineralization in the Bethel quadrangle, southwestern Alaska, in Goldfarb, R. J., Nash, J. T., and Stoeser, J. W., eds., Geochemical studies in Alaska by the U.S. Geological Survey, 1989: U.S. Geological Survey Bulletin 1950, p. C1-C9.
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.
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