Unnamed

Occurrence in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10003117
MRDS ID A015650
Record type Site
Current site name Unnamed

Geographic coordinates

Geographic coordinates: -146.3533, 68.07979 (WGS84)
Relative position Location plotted is locality 9 of Barker (1978, p. 14) and cited by Cobb and others (1981, p. A4); between Smoke Creek and Crow Nest Creek, tributaries of Chandalar River; within one mile (1.6 km).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Malachite Ore
Limonite Gangue
Siderite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff

Nearby scientific data

(1) -146.3533, 68.07979

Comments on the geologic information

  • Geologic Description = Siderite, limonite, chalcocite, and traces of bornite and malachite in fine to medium-grained andesitic tuff.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Chandalar

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A015650
USGS Alaska Resource Data File ARDF AC004

Bibliographic references

  • Deposit

    Barker, J.C., 1978, Mineral Investigations of certain lands in the eastern Brooks Range: a summary report: US Bureau of Mines Open-File No. 63-78

  • Deposit

    Cobb, E.H., Mayfield, C.F., and Brosge, W.P., 1981, Summaries of data on and lists of references to metallic and selected nonmetallic mineral occurrences in eleven quadrangles in northern Alaska (Arctic, Baird Mountains, Chandler Lake, DeLong Mountains, Demarcation Point, Howard Pass, Misheguk Mountain, Mount Michelson, Noatak, Point Lay, and Table Mountain); Supplement to Open-File Report 75-628; Part A, Summaries of data to January 1, 1981: U.S. Geological Survey Open-File Report 81-767-A, 25 p.

Comments on the references

  • Primary Reference = Barker (1978)

General comments

Subject category Comment text
Deposit Model Name = Lode; disseminated, Cu in volcanic tuff.

Reporter information

Type Date Name Affiliation Comment
Reporter 30-JUN-1992 M.T. Powers U.S. Geological Survey
Reporter 30-JUN-1992 D.F. Huber U.S. Geological Survey