The Last Chance Creek (west bench) 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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Last Chance Creek (west bench) MRDS details
Site Name
Primary: Last Chance Creek (west bench)
Commodity
Primary: Gold
Secondary: Silver
Location
State: Alaska
District: Nome
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: Hematite
Ore: Gold
Ore: Scheelite
Ore: Pyrite
Ore: Magnetite
Comments
Comment (Workings): Workings / Exploration = This small bench placer was mined hydraulically, probably before 1926. Claims were located between 1906 and 1916; the claims were surveyed for patent in 1926, and most of the workings predate that year.
Comment (Deposit): Model Name = Alluvial placer Au (Cox and Singer, 1986; model 39a).
Comment (Geology): Age = Quaternary.
Comment (Reference): Primary Reference = Moffit, 1913
Comment (Geology): Geologic Description = A bench placer was mined about 500 to 600 feet west of Last Chance Creek, immediately above its confluence with North Fork. The pit is oriented northeast, parallel to the modern drainage. The placer was mined hydraulically to bedrock for a distance of about 1,000 feet on the Calfornia Association and Good Chance Association claims (U.S. Mineral Survey No. 1838). Moffit (1913, p. 87) reported scheelite, pyrite, magnetite, and hematite from Last Chance Creek near Dewey Creek, a name not currently used. A quartz-ankerite vein cutting schistose bedrock is exposed at a bedrock drain of the cut. A sample of this vein did not contain gold, but it is similar to others in the area that are locally auriferous. Bedrock in the area is probably part of the 'mixed unit' of Till and others, 1986) and the calcareous metaturbidite schist of Bundtzen and others (1994).
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Bundtzen, T.K., Reger, R.D., Laird, G.M., Pinney, D.S., Clautice, K.H., Liss, S.A., and Cruse, G.R., 1994, Progress report on the geology and mineral resources of the Nome mining district: Alaska Division of Geological and Geophysical Surveys, Public Data-File 94-39, 21 p., 2 sheets, scale 1:63,360.
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): Moffit, F.H., 1913, Geology of the Nome and Grand Central quadrangles, Alaska: U.S. Geological Survey Bulletin 533, 140 p.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Nome quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-463, 2 sheets, scale 1:250,000.
Reference (Deposit): Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Nome quadrangle, Alaska: U.S. Geological Survey Open-File report 78-93, 213 p.
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