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  3. Mineral Resource Data System (MRDS)

Regal

Past Producer in Alaska, United States with commodity Copper
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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. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10001042
MRDS ID A011720
Record type Site
Current site name Regal
Related records 10282566

Geographic coordinates

Geographic coordinates: -142.97443, 61.55467 (WGS84)
Relative position 1 mile south of Donoho Peak summit. Best location: MacKevett, 1972. 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-6(quadrangle 1:63,360 scale)

McCarthy NW(quadrangle 1:100,000 scale)

McCarthy C(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)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Malachite Ore

Alteration

  • (Local) Oxidation of Cu minerals.

Mineral occurrence model information

Model code 87
USGS model code 23
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 Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Chitistone Limestone;Nikolai Greenstone
    Rock description Chitistone Limestone;Nikolai Greenstone

Nearby scientific data

(1) -142.97443, 61.55467
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Chiefly malachite-rich coatings, veins and disseminations in basal part of Triassic Chitistone Limestone.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Nizina

Comments on the workings information

  • Workings / Exploration = Developed by 3 inclines and other underground workings, only 760 ft of which were accessible in 1943. Also some prospect pits in nearby Nikolai Greenstone.

Reference information

Bibliographic references

  • Deposit

    Miller, D.J., 1946, Copper deposits of the Nizina district, Alaska: U.S. Geological Survey Bulletin 947F, p. 93-120.

  • Deposit

    MacKevett, E.M., Jr., and Radtke, A.S., 1966, Hydrothermal alteration near the Kennecott copper mines, Wrangell Mountains area, Alaska, A preliminary report, in Geological Survey Research 1966: U.S. Geological Survey Professional Paper 550B, p. B165-B168.

  • 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., 1972, Geologic map of the McCarthy C-6 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-979, 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 = Miller, 1946

General comments

Subject category Comment text
Deposit Model Name = Basaltic Cu

Reporter information

Type Date Name Affiliation Comment
Reporter 14-NOV-97 Leonard, K.R. U.S. Geological Survey
Reporter 14-NOV-97 Elliott, R.L. U.S. Geological Survey
Reporter 14-NOV-97 Richter, D.H. U.S. Geological Survey

Beyond USGS

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

External references

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.