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Copper King

Prospect in Alaska, United States with commodity Copper
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Geologic information

Identification information

Deposit ID 10001075
MRDS ID A011758
Record type Site
Current site name Copper King
Related records 10136926

Geographic coordinates

Geographic coordinates: -142.00859, 61.76358 (WGS84)
Relative position 2,000 ft south of toe of Middle Fork Glacier, at an elevation of 5,800 ft. Best location: MacKevett, 1976, loc.172. Accurate within radius of 1,000 feet.
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • Ore Material = Native Cu
  • Ore Material = Copper (native)

Materials information

Materials Type of material
Copper Ore
Calcite Gangue
Prehnite Gangue
Zeolite Gangue

Mineral occurrence model information

Model code 87
USGS model code 23
BC deposit profile D03
Deposit model name Basaltic Cu (BC name is Volcanic redbed Cu)
Mark3 model number 118

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    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 Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt

Nearby scientific data

(1) -142.00859, 61.76358
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Comments on the geologic information

  • Geologic Description = Native Cu in 6 ft thick zone of amygdaloidal basalt in the Triassic Nikolai Greenstone. Copper is intergrown with prehnite, calcite and zeolites.

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Chisana

Comments on the workings information

  • Workings / Exploration = Explored by two open cuts and 2 short adits. Type of workings: surface and underground.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011758
USGS Alaska Resource Data File ARDF MC009

Bibliographic references

  • Deposit

    Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.

  • Deposit

    Knaebel, Jeff, 1970, Geochemical survey and geological reconnaissance of the White River area, south-central Alaska: Alaska Division of Mines and Minerals Geochemical Report 21, 60 p.

  • 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

    Capps, S.R., 1916, The Chisana-White River district, Alaska: U.S. Geological Survey Bulletin 630, 130 p.

Comments on the references

  • Primary Reference = Capps, 1916

General comments

Subject category Comment text
Deposit Model Name = Basaltic Cu

Reporter information

Type Date Name Affiliation Comment
Reporter 27-OCT-1997 Leonard, K.R. U.S. Geological Survey
Reporter 27-OCT-1997 Elliott, R.L. U.S. Geological Survey
Reporter 27-OCT-1997 Richter, D.H. U.S. Geological Survey