Unnamed Occurrence (ARDF - SB027; west of Big River), Alaska Peninsula District, Lake and Peninsula Borough, Alaska, USA
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Location: This site represents eight rock geochemical sample sites spread over a radius of 3 miles west of Big River. The map site, at the approximate center of this area, is at an elevation of 500 feet on a west tributary of Big River, in the SW1/4 of sec. 17, T. 49 S., R. 68 W., of the Seward Meridian. The site is referred to as SBRGX-53 in Wilson and others (1988, locality 27).
Geology: The area of this occurrence is underlain by several Tertiary formations, most of which are sedimentary (Wilson and others, 1995). Eight rock samples collected by the U.S. Geological Survey were reported to be anomalous in one or more of the following: copper, zinc, antimony, tin, and arsenic (Wilson and others, 1988).
Workings: Rock samples 84AWs182, 84AGe33, 84ADt200, 84AJm668-669, 84AYb610, and 84ACe142-143, collected by the U.S. Geological Survey in the mid-1980's, were reported to be anomalous in one or more of the following: copper, zinc, antimony, tin, and arsenic (Wilson and others, 1988).
Commodities (Major) - Cu, Zn; (Minor) - As, Sb, Sn
Development Status: None
Mineral List
No entries listed.
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References
Angeloni, L.M., Wilson, F.H., and Sutley, Stephen, 1985, Map and tables showing preliminary rock geochemical data, Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska: U.S. Geological Survey Open-File Report 85-470, 179 p., 1 sheet, scale 1:250,000. Wilson, F.H., Detterman, R.L., Miller, J.W., and Case, J. E.,1995, Geologic map of the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska Peninsula, Alaska: U.S. Geological Survey Miscellaneous Investigation Series Map I-2272, 2 map sheets, scale 1:250,000. Wilson, F.H., White, W.H., and DuBois, G.D., 1988, Brief descriptions of mines, prospects, and mineral occurrences in the Port Moller and Stepovak Bay quadrangles, Alaska Peninsula: U.S. Geological Survey Open-File Report 88-666, 128 p., 1 plate, scale 1:250,000.