Kurupa River Southwest

Occurrence in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10003377
MRDS ID A106133
Record type Site
Current site name Kurupa River Southwest

Geographic coordinates

Geographic coordinates: -154.72358, 68.22962 (WGS84)
Relative position USBM OF 75-92 location KR64. Located on an unnamed northwestern tributary near the headwaters of the Kurupa River. Known to within one mile.
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Geographic areas

Country State
United States Alaska


Commodity Importance
Copper Primary

Materials information

Materials Type of material
Azurite Ore
Chalcopyrite Ore
Malachite Ore

Nearby scientific data

(1) -154.72358, 68.22962

Comments on the geologic information

  • Geologic Description = Outcrops of sandstone and siltstone of the Kanayut Conglomerate are cut by sulfide-bearing anastomosing quartz veins that trend north-south and are exposed for 60 meters along strike. Chalcopyrite was the only sulfide identified, and it occurs with associated malachite and azurite stain.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Colville

Comments on the workings information

  • Workings / Exploration = Samples of quartz-bearing veins contain up to 0.56% Cu.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A106133
USGS Alaska Resource Data File ARDF KL001

Bibliographic references

  • Deposit

    Meyer, M.P., and Kurtak, J.M., 1992, Results of the 1991 U.S. Bureau of Mines Colville mining district study: U.S. Bureau of Mines Open-File Report 75-92, 101 p.

  • Deposit

    Kurtak, J.M., Hicks, R.W., Werdon, M.B., Meyer, M.P., and Mull, C.G., 1995, Mineral investigations in the Colville mining district and southern National Petroleum Reserve in Alaska: U.S. Bureau of Mines Open-File Report 8-95, 217 p.

Comments on the references

  • Primary Reference = Meyer and Kurtak, 1992, USBM OFR 75-92

General comments

Subject category Comment text
Deposit Model Name = Sandstone-hosted Cu

Reporter information

Type Date Name Affiliation Comment
Reporter 07-FEB-1997 J.M. Schmidt U.S. Geological Survey
Reporter 07-FEB-1997 K.D. Kelley U.S. Geological Survey