1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Unnamed (north of Beaver Creek)

Occurrence 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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10001085
MRDS ID A011770
Record type Site
Current site name Unnamed (north of Beaver Creek)
Alternate or previous names Unnamed

Geographic coordinates

Geographic coordinates: -141.09941, 61.9836 (WGS84)
Relative position On north side of Beaver Creek, 2.6 mi upstream from confluence of Ptarmigan Creek with Beaver Creek. Best location: MacKevett, 1976, loc. 188. Accurate within radius of 1,000 feet.

Site location context

Political divisions (FIPS codes)

Southeast Fairbanks(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

McCarthy D-1(quadrangle 1:63,360 scale)

McCarthy NE(quadrangle 1:100,000 scale)

McCarthy(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

Wrangell-St. Elias National Preserve(National Preserve)

National Preserve NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Gangue

Mineral occurrence model information

Model code 53
USGS model code 17
Deposit model name Porphyry Cu
Mark3 model number 4

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Klein Creek Batholith
    Rock description Klein Creek Batholith
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -141.09941, 61.9836
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Pyrite and chalcopyrite disseminations and veinlets in Cretaceous granodiorite and in hornfelsed pendants in the granodiorite. Mineralized area, which includes this deposit and a number of nearby smaller occurrences, is near a shear zone.
  • Age = Cretaceous

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Chisana

Comments on the workings information

  • Workings / Exploration = None

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Knaebel, 1970

General comments

Subject category Comment text
Deposit Model Name = Porphyry Cu?

Reporter information

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