Latitude: 59°59'24"N
Longitude: 159°37'11"W
Location: Trail Creek is a large west tributary of the Izavieknik River which flows between Upper Togiak Lake and Togiak Lake. This placer mine is in an unnamed north tributary to upper Trail Creek. The map site is at an elevation of about 2,200 feet on this tributary, in the SE1/4 of section 20, T 2 S, R 60 W, of the Seward Meridian. It is locality 21 of Hoare and Cobb (1977) and of Cobb and Condon (1972).
Geology: Hoare and Coonrad (1961) show this to be a placer mining locality. No additional information is available for this deposit. This part of Trail Creek is a glaciated drainage underlain by Jurassic and Lower Cretaceous sedimentary and volcanic rocks (Hoare and Coonrad, 1978).
Workings: Some small surface workings are assumed to be present.
Age: Holocene.
Commodities (Major) - Au
Development Status: Yes; small
Deposit Model: Placer Au-PGE (Cox and Singer, 1986; model 39a)
References
Cobb, E.H., and Condon, W.H., 1972, Metallic mineral resources map of the Goodnews quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-447, scale 1:250,000. 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. Hoare, J.M., and Coonrad, W.L., 1961, Geologic map of the Goodnews quadrangle, Alaska: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-339, 1 sheet, scale 1:250,000. Hoare, J.M., and Coonrad, W.L., 1978, Geologic map of the Goodnews and Hagemeister Island quadrangles region, southwestern Alaska: U.S. Geological Survey Open-File Report 78-9-B, 2 sheets, scale 1:250,000.
Mineral List
1 entry listed. 1 valid mineral.
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