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

Unnamed (lower Ptarmigan 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. 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 10001083
MRDS ID A011767
Record type Site
Current site name Unnamed (lower Ptarmigan Creek)
Alternate or previous names Unnamed

Geographic coordinates

Geographic coordinates: -141.04053, 61.94471 (WGS84)
Relative position 1.75 mi up Ptarmigan Creek from where Ptarmigan Creek enters Beaver Creek. Best location: MacKevett, 1976, loc. 185. 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

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Wutzotin Mts. Sequence (Informal Name)
    Rock description Wutzotin Mts. Sequence (Informal Name)

Nearby scientific data

(1) -141.04053, 61.94471
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Pyrite and minor chalcopyrite disseminated in Jura-Cretaceous argillite and a small Triassic (?) gabbro mass near a fault.

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 = Lode: disseminated

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.