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

Unnamed (on Salt Island)

Mine, Inactive

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Commodities and mineralogy

Main commodities Cu
Ore minerals native copper

Geographic location

Quadrangle map, 1:250,000-scale AK
Quadrangle map, 1:63,360-scale C-2
Latitude 52.17
Longitude -174.64
Nearby scientific data Find additional scientific data near this location
Location and accuracy This mine is located on Salt Island which is approximately 4 miles northwest of Banner Bay on Atka Island. Although the specific site is not described, the location as plotted is accurate to within 2 miles.

Geologic setting

Geologic description

Capps (1934) reports that natives are said to have mined native copper, probably from an amygdaloidal lava flow.
Geologic map unit (-174.642397825106, 52.1687205417998)
Mineral deposit model Basaltic copper (Cox and Singer, 1986; model 23)
Mineral deposit model number 23
Age of mineralization Tertiary or younger.

Production and reserves

Indication of production Undetermined

Additional comments

Site is within the Aleutian Maritime Wildlife Refuge.

References

MRDS Number 10307225

References

Capps, S.R., 1934, Notes on the geology of the Alaska Peninsula and Aleutian Islands, in Smith, P.S., and others, Mineral resources of Alaska, report on the progress of investigations in 1932: U.S. Geological Survey Bulletin 857-D, p. 141-153.
Hein, J.R., McLean, Hugh, and Vallier, T.L., 1981, Reconnaissance geologic map of Atka and Amlia Islands, Alaska: U.S. Geological Survey Open-File Report 81-159, 1 sheet, scale 1:125,000.
Reporters S.H. Pilcher (Anchorage)
Last report date 1/18/2000