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PMRGX-18

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Pb; Zn
Other commodities As; Ba; Cu; Sn

Geographic location

Quadrangle map, 1:250,000-scale PM
Quadrangle map, 1:63,360-scale C-2
Latitude 55.595
Longitude -160.549
Nearby scientific data Find additional scientific data near this location
Location and accuracy This site is located on the Alaska Peninsula approximately 1.5 miles east of Albatross Anchorage, at the head of Balboa Bay ( Christie, 1974, part of color anomaly 76; Wilson and others, 1988, locality 67). It is midway between hilltops 1380 and 1280. The site is referred to as PMRGX-18 by Wilson and others (1988). The location is accurate to within 2,500 feet.

Geologic setting

Geologic description

The country rocks at this site are altered sandstone and volcanic rocks cut by andesite dikes and sills (Wilson and others, 1988). The volcanic rocks are mapped as Miocene (Wilson and others, 1995). Five samples collected by the U.S. Geological Survey in the mid-1980s were reported to be anomalous in arsenic, barium, copper, lead, tin, and zinc (Wilson and others, 1988).
Geologic map unit (-160.551020066464, 55.5941778875006)
Age of mineralization Miocene or younger.

Production and reserves

Workings or exploration Rock samples 85ADt344-348 collected by the U.S. Geological Survey in the mid-1980s were reported to be anomalous in arsenic, barium, copper, lead, tin, and zinc (Wilson and others, 1988).
Indication of production None

Additional comments

The site is located on land selected or patented by, or interim-conveyed to, the Aleut Corporation.

References

MRDS Number 10308101

References

Christie, J.S., 1974, Aleut-Quintana-Duval 1974 joint venture, final report: Unpublished Quintana Minerals Corporation report, 24 p., 3 appendices, 2 maps. (Report held by the Aleut Corporation, Anchorage, Alaska.)
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., Harris, E.E., and Bailey, E.A., 1987, Preliminary analytical results and sample locality map for rock samples collected in 1985 and 1986, Port Moller and Stepovak Bay quadrangles, Alaska: U.S. Geological Survey Open-File Report 87-497, 44 p., 1 plate, 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 1/24/2001