Latitude: 60°18'36"N
Longitude: 158°7'11"W
Location: Mertie (1938, p. 91) reported that coarse gold was found in the upper valley of King Salmon River. This location is arbitrarily chosen to represent this occurrence. For this record, the map site is on the river, 1.25 miles southeast of USGS benchmark King, in the SW1/4 of section 27, T 3 N, R 51 W, of the Seward Meridian. It is approximately located, probably within a few miles. Cobb (1972 [MF 384]; 1976 [OF 76-606]) included this occurrence under the name 'King Salmon River'.
Geology: Mertie (1938, p. 91) reported that coarse gold was found in the upper valley of the King Salmon River in1907. King Salmon River is a large west tributary to the Nushagak River. It flows east from headwaters along a low divide that separates it from the drainage of Tikchik River. Bedrock in the King Salmon River drainage is mid-Cretaceous clastic sedimentary rocks of the Kuskokwim Group locally intruded by Upper Cretaceous or Lower Tertiary granitic and hypabyssal felsic rocks. Clark and others (1970 [OF 438]) reported analytical data for stream sediments and one rock sample in the area of USGS benchmark King. Several of the stream-sediment samples in this area contained anomalous amounts of metals, including Ag, As, B, and Cu. The rock sample, from near the benchmark, contained weakly anomalous amounts of Ag and As. Bedrock in this area includes a small area of felsic intrusive rocks surrounded by hornfels (Clark and others, 1970 [OF 438]).
Age: Quaternary.
Commodities (Major) - Au
Development Status: None
Deposit Model: Placer Au-PGE (Cox and Singer, 1986; model 39a)
References
Clark, A.L., Condon, W.H., Hoare, J.M., and Sorg, D.H., 1970, Analyses of rock and stream sediment samples from the Taylor Mountains C-8 quadrangle, Alaska: U.S. Geological Survey Open-File Report 438, 89 p. Cobb, E.H., 1972, Metallic mineral resources map of the Taylor Mountains quadrangle: U.S. Geological Survey Miscellaneous Field Studies Map MF-384, 1 sheet, scale 1:250,000. Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Dillingham, Sleetmute, and Taylor Mountains quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-606, 92 p. Mertie, J.B., Jr., 1938, The Nushagak district, Alaska: U.S. Geological Survey Bulletin 903, 96 p.
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