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  3. Mineral Resource Data System (MRDS)

Unnamed

Occurrence in Alaska, United States with commodity Copper
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Geologic information

Identification information

Deposit ID 10003408
MRDS ID A106164
Record type Site
Current site name Unnamed

Geographic coordinates

Geographic coordinates: -142.00318, 68.39989 (WGS84)
Relative position Location plotted is locality 504 of Barker (1981, pl. A-3), about 2 mi (3.2 km) east southeast of Bear Mountain summit on southeast projecting ridge; known to within 1000 ft (305 m).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Nearby scientific data

(1) -142.00318, 68.39989
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Comments on the geologic information

  • Geologic Description = Greenstone lense associated with metasiltstone unit and unconformably(?) overlain by Devonian-Mississippian conglomerate

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Sheenjek

Comments on the workings information

  • Workings / Exploration = Greenstone? rock sample contains 1% copper, and slightly anomalous silver and molybdenum; soil and stream sediment samples 533D, 600C-602C of Barker (1981, pl. A-3) 1 mi (1.6 km) to the east have as much as 920 ppm Pb, as well as slightly anomalous amounts of Cu, Zn, Mo, and other elements (Barker, 1981, p. 40-50).

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A106164
USGS Alaska Resource Data File ARDF TB005

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

    Barker, J.C., 1981, Mineral investigations of certain lands in the eastern Brooks Range, 1978: U.S. Bureau of Mines Open-File 37-81, 288 p., 8 sheets.

Comments on the references

  • Primary Reference = Barker (1981)

General comments

Subject category Comment text
Deposit Model Name = Unknown

Reporter information

Type Date Name Affiliation Comment
Reporter 20-SEP-1996 J.H. Dover U.S. Geological Survey