Unnamed (west of Squaw Creek)

Occurrence in Alaska, United States with commodities Copper, Silver, Molybdenum

Geologic information

Identification information

Deposit ID 10001061
MRDS ID A011741
Record type Site
Current site name Unnamed (west of Squaw Creek)
Alternate or previous names Unnamed

Geographic coordinates

Geographic coordinates: -143.89752, 61.56965 (WGS84)
Relative position 1,700 ft west of Squaw Creek, at a point 1.4 mi upstream from confluence of Squaw Creek with Kuskulana River. Best location: MacKevett and others, 1978, loc. 30. Accurate within radius of 100 feet.
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Molybdenum Secondary

Materials information

Materials Type of material
Bornite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Nikolai Greenstone
    Rock description Nikolai Greenstone
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -143.89752, 61.56965

Comments on the geologic information

  • Geologic Description = Bornite-bearing veins up to 6 cm thick in altered fault zone 2 m wide in Triassic Nikolai Greenstone.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Chistochina

Comments on the workings information

  • Workings / Exploration = Surface workings. Grab sample (MacKevett, 1976) of vein material assayed 200 ppm Ag, >20,000 ppm Cu, 7 ppm Mo.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011741
USGS Alaska Resource Data File ARDF MC058

Bibliographic references

  • 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.

  • Deposit

    MacKevett, E.M., Jr., Smith, J.G., Jones, D.L., and Winkler, G.R., 1978, Geologic map of the McCarthy C-8 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-1418, scale 1:63,360.

  • Deposit

    MacKevett, E.M., Jr., Smith, J.G., Jones, D.L., and Winkler, G.R., 1978, Geologic map of the McCarthy C-8 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-1418, 1 sheet, scale 1:63,360.

Comments on the references

  • Primary Reference = MacKevett, 1976

General comments

Subject category Comment text
Deposit Model Name = Lode: vein

Reporter information

Type Date Name Affiliation Comment
Reporter 15-SEP-1997 Leonard, K.R. U.S. Geological Survey
Reporter 15-SEP-1997 Elliott, R.L. U.S. Geological Survey
Reporter 15-SEP-1997 Richter, D.H. U.S. Geological Survey