The Coffee Creek (the upper portion) 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
Coffee Creek (the upper portion) MRDS details
Site Name
Primary: Coffee Creek (the upper portion)
Commodity
Primary: Gold
Location
State: Alaska
District: Kougarok
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 (Geology): Age = Quaternary
Comment (Workings): Workings / Exploration = Open-cut placer mining, probably dozer and sluice operations, took place along 1,500 feet of the active drainage.
Comment (Reference): Primary Reference = Sainsbury and others, 1969
Comment (Geology): Geologic Description = This small area of placer workings is primarily known from the mapping of Sainsbury and others (1969). Early references to a residual gold placer near the head of Coffee Creek (Collier and others, 1908; Cobb, 1975, OFR 75-429) are for the Wonder Gulch tributary (BN005) and not this location. Thick muck deposits are present on Coffee Creek and bedrock is not exposed in this area. Bedrock here is expected to be low grade, Lower Paleozoic metasedimentary rocks like those exposed on lower parts of Coffee Creek and nearby uplands (Till and others, 1986).
Comment (Deposit): Model Name = Placer Au-PGE (Cox and Singer; model 39a)
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Bendeleben quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-417, 1 sheet, scale 1:250,000.
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.
Reference (Deposit): Cobb, E.H., 1975, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Bendeleben quadrangle, Alaska: U.S. Geological Survey Open-File Report 75-429, 123 p.
Reference (Deposit): Collier, A. J., Hess, F.L., Smith, P.S., and Brooks, A.H., 1908, The gold placers of parts of Seward Peninsula, Alaska, including the Nome, Council, Kougarok, Port Clarence, and Goodhope precincts: U.S. Geological Survey Bulletin 328, 343 p.
Reference (Deposit): Sainsbury, C.L., Kachadoorian, Reuban, Hudson, Travis, Smith, T.E., Richards, T.R., and Todd, W.E., 1969, Reconnaissance geologic maps and sample data, Teller A-1, A-2, A-3, B-1, B-2, B-3, C-1, and Bendeleben A-6, B-6, C-6, D-5, and D-6 quadrangles. Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 377, 49 p., 12 sheets, scale 1:63,360.
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