The Boulder 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
Boulder Creek MRDS details
Site Name
Primary: Boulder Creek
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 (Exploration): Status = Inactive
Comment (Reference): Primary Reference = Cobb, 1975 (OFR 75-429)
Comment (Geology): Geologic Description = Gold was discovered on Boulder Creek in 1901 and initial mining encountered 2.5 feet of muck and 4 to 5 feet of unfrozen gold-bearing gravel over frozen gravel (Collier and others, 1908). Some gold was coarse and rounded; a 2-ounce nugget was recovered. The gold-bearing character of the deeper, frozen gravel was not determined by early work. A 11 foot-deep prospect pit, 1.75 miles upstream of the mouth, did not reach bedrock. Bedrock in the area is extensively covered by tundra (Till and others, 1986) but Collier and others (1908) indicate that it includes calcareous schist, limestone (marble), and minor graphitic schist. These lithologies are present regionally in a Lower Paleozoic metasedimentary assemblage (Till and others, 1986).
Comment (Workings): Workings / Exploration = Surface, open-cut placer workings are present.
Comment (Production): Production Notes = About $7,000 or 400 ounces of gold were recovered in 1901 (Collier, 1902).
Comment (Deposit): Model Name = Placer Au-PGE (Cox and Singer, 1986; model 39a)
Comment (Geology): Age = Quaternary
References
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): 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., 1902, A reconnaissance of the northwestern portion of Seward Peninsula, Alaska: U.S. Geological Survey Professional Paper 2, 70 p.
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