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Unnamed (east of lower Nizina Glacier)

Occurrence in Alaska, United States with commodity Copper
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Geologic information

Identification information

Deposit ID 10001048
MRDS ID A011726
Record type Site
Current site name Unnamed (east of lower Nizina Glacier)
Alternate or previous names Unnamed

Geographic coordinates

Geographic coordinates: -142.34942, 61.63662 (WGS84)
Relative position Northeast flank of BM Foothill - 2,500 ft west of headwaters of unnamed northward flowing tributary of Skolai Creek. Best location: MacKevett, 1970. Accurate within radius of 100 feet.
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Azurite Ore
Chalcopyrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Wrangell Lava
    Rock description Wrangell Lava
    Stratigraphic age (youngest) Holocene
    Stratigraphic age (youngest) Holocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -142.34942, 61.63662
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Comments on the geologic information

  • Geologic Description = Chalcopyrite and azurite-bearing quartz veins up to 10 cm thick in Cenozoic Wrangell Lava.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Nizina

Comments on the workings information

  • Workings / Exploration = None

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011726
USGS Alaska Resource Data File ARDF MC094

Bibliographic references

  • Deposit

    MacKevett, E.M., Jr., 1970, Geologic map of the McCarthy C-4 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-844, scale 1:63,360.

  • Deposit

    MacKevett, E.M., Jr., 1976, Mineral deposits and occurrences in the McCarthy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-773-B, scale 1:250,000.

Comments on the references

  • Primary Reference = MacKevett, 1970

General comments

Subject category Comment text
Deposit Model Name = Lode: vein

Reporter information

Type Date Name Affiliation Comment
Reporter 31-JUL-1997 Leonard, K.R. U.S. Geological Survey
Reporter 31-JUL-1997 Elliott, R.L. U.S. Geological Survey
Reporter 31-JUL-1997 Richter, D.H. U.S. Geological Survey