The Upper Banner 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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Upper Banner Creek MRDS details
Site Name
Primary: Upper Banner Creek
Commodity
Primary: Gold
Location
State: Alaska
District: Council
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
Not available
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Reference): Primary Reference = Smith, 1910
Comment (Workings): Workings / Exploration = Small-scale placer mining by hand took place at this location in 1907.
Comment (Deposit): Model Name = Placer Au-PGE (Cox and Singer, 1986; model 39a).
Comment (Geology): Geologic Description = Small-scale placer mining apparently took place along most of this creek in the early history of the area (Smith, 1910). In the lower creek, gold was coarse, had a fineness of 929, and was present in 8 to 10 feet of gravel but mostly concentrated on bedrock (Brooks and others, 1901). The creek was rich compared to others in the area; 4 men sluiced for 2.5 days in 1899 and recovered $400 or about 20 ounces of gold (Brooks and others, 1901). Two men were working at this location on upper Banner Creek in 1907 (Smith, 1910). Bedrock in the lower part of the creek is Paleozoic marble but the headwaters and underlain by pelitic schist of possible Cambrian or Precambrian age (Till and others, 1986).
Comment (Geology): Age = Quaternary; the numerous incised terraces along the Casadepaga River and its major tributaries indicate that more than one cycle of erosion and deposition has developed placer deposits in the area. The low elevations between 170 and 270 feet along the first 11 miles of the river, suggest that Quaternary sea level fluctuations could have influenced placer development.
Comment (Exploration): Status = Probably inactive
References
Reference (Deposit): Cobb, E.H., 1972, Metallic resources map of the Solomon quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-445, scale 1:250,000.
Reference (Deposit): Smith, P.S., 1910, Geology and mineral resources of the Solomon and Casadepaga quadrangles, Seward Peninsula, Alaska: U.S. Geological Survey Bulletin 433, 234 p.
Reference (Deposit): Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Solomon quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-181, 185 p.
Reference (Deposit): Brooks, A.H., Richardson, G. B., and Collier, A. J., 1901, Reconnaissance in the Cape Nome and Norton Bay regions, Alaska, in 1900: U.S. Geological Survey Special Publication, p. 1-180.
Reference (Deposit): Till, A.B., Dumoulin, J.A., Gamble, B. ., Kaufman, D.S., and Carroll, P.I., 1986, Preliminary geologic map and fossil data, Soloman, Bendeleben, and southern Kotzebue quadrangles, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 86-276, 10 p., 3 plates, scale 1:250,000.
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