Chandalar River Headwaters

Occurrence in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10003119
MRDS ID A015652
Record type Site
Current site name Chandalar River Headwaters

Geographic coordinates

Geographic coordinates: -144.07335, 68.94986 (WGS84)
Relative position Location plotted is locality 46 of Brosge and Reiser (1976, sheet 4) and cited on by Cobb and others (1981, p. A4); in headwater area of Chandalar River; within 3 miles (4.8 km).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Azurite Ore
Malachite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Stratigraphic age (youngest) Late Devonian

Nearby scientific data

(1) -144.07335, 68.94986

Comments on the geologic information

  • Geologic Description = Malachite and azurite in Devonian sandstone.

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 A015652
USGS Alaska Resource Data File ARDF AC001

Bibliographic references

  • Deposit

    Brosge', W.P., and Reiser, H.N., 1976, Preliminary geologic and mineral resource maps (excluding petroleum), Arctic National Wildlife Range, Alaska: U.S. Geological Survey Open-File Report 76-539, 4 sheets, scale 1:500,000.

  • Deposit

    Grybeck, D.J., 1977, Known mineral deposits of the Brooks Range, Alaska: US Geological Survey Open-File Report 77-166C, 41 p., 1 sheet, scale 1:1,000,000.

  • 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 = Brosge and Reiser (1976)

General comments

Subject category Comment text
Deposit Model Name = Lode; disseminated, Cu in sandstone

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