1. Mineral Resources
  2. Online Spatial Data
  3. Alaska Resource Data File (ARDF)

Unnamed (east of Ivanof River)

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Ag; Cu

Geographic location

Quadrangle map, 1:250,000-scale SB
Quadrangle map, 1:63,360-scale D-5
Latitude 55.94
Longitude -159.34
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is on the Alaska Peninsula east of Ivanof River. The map site is at an elevation of 1,500 feet, in the NE1/4 of sec. 16, T. 49 S., R. 65 W., of the Seward Meridian. It is referred to as SBRGX-52 in Wilson and others (1988, locality 26). The location is accurate to within 2 miles.

Geologic setting

Geologic description

This occurrence is probably in sedimentary units of the Lower Cretaceous Naknek Formation (Wilson and others, 1995). It consists of hornfelsed siltstone and sandstone (Wilson and others, 1988). One sample collected by the U.S. Geological Survey was reported to be anomalous in copper and silver.
Geologic map unit (-159.341994529957, 55.9392022476073)

Production and reserves

Workings or exploration Rock sample 86AGs18c, collected by the U.S. Geological Survey in the mid-1980s, was reported to be anomalous in copper and silver (Wilson and others, 1988).
Indication of production None

Additional comments

This site is located on land interim-conveyed to, or patented by, the Bristol Bay Native Corporation.

References

MRDS Number 10308230

References

Angeloni, L.M., Wilson, F.H., and Sutley, S.J., 1985, Map and tables showing preliminary rock geochemical data, Port Moller, Stepovak Bay, and Simonof 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: U.S. Geological Survey Miscellaneous Investigation Series Map I-2272, 1 sheet, 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.
Reporters S.H. Pilcher
Last report date 11/9/2000