Unnamed

Occurrence in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10000246
MRDS ID A010285
Record type Site
Current site name Unnamed

Geographic coordinates

Geographic coordinates: -131.60181, 56.25976 (WGS84)
Relative position The approximate location of this unnamed occurrence, known in 1981 (Elliott and Koch, 1981, p. 7, loc. 7) only from a U.S. Bureau of Mines claims map, is in the Kapho Mountains, in Section 2, at an elevation of about 3900 feet. It is on a north-trending ridge at the east margin of a small glacier. The location is probably accurate to within about a quarter of a mile.
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Nearby scientific data

(1) -131.60181, 56.25976

Comments on the geologic information

  • Geologic Description = The country rocks in the general area of this occurrence are Mesozoic or Paleozoic paragneiss and orthogneiss and subordinate amphibolite and marble (Koch, 1996, 1997). No other geological information about this occurrence was publicly available in 1997 (Koch, 1997, p. 23).

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Mining district

District name Petersburg

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010285
USGS Alaska Resource Data File ARDF BC007

Bibliographic references

  • Deposit

    Elliott, R.L., and Koch, R.D., 1981, Mines, prospects, and selected metalliferous mineral occurrences in the Bradfield Canal quadrangle, Alaska: U.S. Geological Survey Open-File Report 81-728-B, 23 p., 1 sheet, scales 1:250,000 and 1:63,360.

  • Deposit

    Koch, R.D., 1996, Reconnaissance geologic map of the Bradfield Canal quadrangle, southeastern Alaska: U.S. Geological Survey Open-File Report 81-728-A, 35 p., 1 sheet, scale 1:250,000.

  • Deposit

    Koch, R.D., 1997, Metalliferous mineral resource potential in the Bradfield Canal quadrangle, southeastern Alaska: U.S. Geological Survey Open-File Report 97-271, 57 p., 1 sheet, scale 1:250,000.

  • Deposit

    U.S. Bureau of Mines, 1979, Claim map 118: Mines and prospects of the Bradfield Canal quadrangle, Alaska: U.S. Bureau of Mines Open-File Report 20-73, 1 sheet, scale 1:250,000.

Comments on the references

  • Primary Reference = Koch, 1997

General comments

Subject category Comment text
Deposit Other Comments = An unknown number of lode claims were staked in 1974 (U.S. Bureau of Mines, 1979).

Reporter information

Type Date Name Affiliation Comment
Reporter 17-MAY-1998 H. C. Berg U.S. Geological Survey