Unnamed (south of Winers Lake)

Occurrence in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10001376
MRDS ID A012118
Record type Site
Current site name Unnamed (south of Winers Lake)

Geographic coordinates

Geographic coordinates: -149.73329, 67.21969 (WGS84)
Relative position This site is located at an elevation of about 2,600 ft approximately 7 miles east of the Myrtle Creek landing strip and 3 miles southeast of Winers Lake (sec. 27, T. 28 N., R. 10 W., of the Fairbanks Meridian). This site corresponds to unnamed loc. 75 in DeYoung (1978). The location is accurate within a 1-mile radius.
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • Ore Material = unspecified copper sulfides and/or malachite-azurite
  • Ore Material = unspecified copper sulfides and/or malachite-azurite

Materials information

Materials Type of material
Pyrite Ore
Malachite Ore
Azurite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)

Nearby scientific data

(1) -149.73329, 67.21969

Comments on the geologic information

  • Geologic Description = The occurrence is in an area mapped as Devonian(?) micaceous graywacke with several small bodies of greenstone (schistose hornblende diorite and pyroxene diorite) nearby (Brosgi and Reiser, 1964). It is described only as copper sulfides and/or malachite-azurite stains. No other information is available.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Koyukuk

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012118
USGS Alaska Resource Data File ARDF CH005

Bibliographic references

  • Deposit

    Brosgi, W.P., and Reiser, H.N., 1964, Geologic map and section of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Geologic Investigations Map 1-375, 1 sheet, scale 1:250,000.

  • Deposit

    Cobb, E.H., 1972, Metallic mineral resources map of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-457, 1 sheet, scale 1:250,000.

  • Deposit

    Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Chandalar and Wiseman quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-340, 205 p.

  • 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

    DeYoung, J.H., Jr., 1978, Mineral resources map of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-878-B, 2 sheets, scale 1:250,000.

  • Deposit

    Cobb, E.H., and Cruz, E.L., 1983, Summaries of data and lists of references to metallic and selected nonmetallic mineral deposits in the Chandalar quadrangle, Alaska: U.S. Geological Survey Open-File Report 83-278, 91 p.

Comments on the references

  • Primary Reference = Brosgi and Reiser, 1964

Reporter information

Type Date Name Affiliation Comment
Reporter 17-NOV-1999 J.M. Britton U.S. Geological Survey