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Great Northern Development Company

Prospect in Alaska, United States with commodities Copper, Silver, Gold, Molybdenum, Lead
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10001060
MRDS ID A011739
Record type Site
Current site name Great Northern Development Company

Geographic coordinates

Geographic coordinates: -143.84641, 61.62772 (WGS84)
Relative position 1,200 ft east of headwaters of Clear Creek, a tributary of the Kuskulana River. ?Best location: MacKevett and others, 1978, loc. 20, 21, 22, 25; coordinates given above are for the most developed prospect at loc. 22. Accurate within radius of 100 feet.

Site location context

Political divisions (FIPS codes)

Valdez-Cordova(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

McCarthy C-8(quadrangle 1:63,360 scale)

McCarthy NW(quadrangle 1:100,000 scale)

McCarthy(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Chitina River(hydrologic unit)

Copper River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Wrangell-St. Elias National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary
Molybdenum Secondary
Lead Secondary

Materials information

Materials Type of material
Azurite Ore
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Covellite Ore
Galena Ore
Malachite Ore
Molybdenite Ore
Aragonite Gangue
Calcite Gangue
Magnetite Gangue
Pyrite Gangue
Quartz Gangue
Stilbite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Nikolai Greenstone;
    Rock description Nikolai Greenstone;

Nearby scientific data

(1) -143.84641, 61.62772
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Chiefly pyrite, chalcopyrite, and secondary copper minerals in disseminations and veins up to 2 m wide along faults in Triassic Nikolai Greenstone and Jurassic granodiorite.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Active

Mining district

District name Chistochina

Comments on the workings information

  • Workings / Exploration = Explored by several adits and open cuts. Grab sample (MacKevett, 1976, loc. 137; MacKevett and others, 1978, loc. 22) assayed 0.5 ppm Au (AA), 5 ppm Ag, 20,000 ppm Cu. Type of workings: surface and underground.

Reference information

Bibliographic references

  • Deposit

    Van Alstine, R.E., and Black, R.F., 1946, Copper deposits of the Kotsina-Kuskulana district, Alaska: U.S. Geological Survey Bulletin 947-G, p. 121-141.

  • Deposit

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

    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 = Van Alstine and Black, 1946

General comments

Subject category Comment text
Deposit Model Name = Lode: vein, disseminated

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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.