Unnamed (on Salt Island)

Past Producer in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10307225
Record type Site
Current site name Unnamed (on Salt Island)

Geographic coordinates

Geographic coordinates: -174.64234, 52.16895 (WGS84)
Relative position 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.
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Geographic areas

Country State
United States Alaska


Commodity Importance
Copper Primary

Materials information

Materials Type of material
Copper Ore

Mineral occurrence model information

Model code 87
USGS model code 23
BC deposit profile D03
Deposit model name Basaltic Cu (BC name is Volcanic redbed Cu)
Mark3 model number 118

Nearby scientific data

(1) -174.64234, 52.16895

Comments on the geologic information

  • Geologic Description = Capps (1934) reports that natives are said to have mined native copper, probably from an amygdaloidal lava flow.
  • Age = Tertiary or younger.

Economic information

Economic information about the deposit and operations

Development status Past Producer

Comments on exploration

  • Status = Inactive

Mining district

District name Aleutian Islands

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Alaska Resource Data File ARDF AK001

Bibliographic references

  • Deposit

    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, 1932: U.S. Geological Survey Bulletin 857-D, 173 p.

  • Deposit

    Cobb, E.H., 1980, Summaries of data and lists of references to metallic and selected nonmetallic mineral deposits in fifteen quadrangles in southwestern and west-central Alaska: U.S. Geological Survey Open-File Report 80-909, 103 p.

  • Deposit

    Hein, J.R., McLean, H., and Vallier, T.L., 1981, Reconnaissance geologic map of Atka and Amlia Islands, Alaska: U.S. Geological Survey Open-File Report 81-159, 78 p., 1 map sheet, scale 1:125,000.

Comments on the references

  • Primary Reference = Capps, 1934

General comments

Subject category Comment text
Deposit Model Name = Basaltic copper (Cox and Singer, 1986; model 23)
Deposit Other Comments = Site is within the Aleutian Maritime Wildlife Refuge.

Reporter information

Type Date Name Affiliation Comment
Reporter 18-JAN-00 S.H. Pilcher U.S. Geological Survey