Colorado

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

Geologic information

Identification information

Deposit ID 10093999
MRDS ID A011769
Record type Site
Current site name Colorado
Alternate or previous names Wiley
Related records 10161407

Geographic coordinates

Geographic coordinates: -141.06553, 61.96582 (WGS84)
Relative position On south side of Beaver Creek, 1.2 mi upstream from confluence of Ptarmigan Creek with Beaver Creek. Best location: MacKevett, 1976, loc. 187. 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
Gold Primary
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Pyrrhotite Ore
Calcite Gangue
Quartz Gangue

Nearby scientific data

(1) -141.06553, 61.96582

Economic information

Comments on the geologic information

  • Geologic Description = Small massive sulfide body in Triassic (?) gabbro surrounded by surficial deposits. Probably related to nearby Cretaceous granodiorite pluton.
  • Age = Cretaceous

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 a short adit.

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Moffit and Knopf, 1910

General comments

Subject category Comment text
Deposit Model Name = Lode: massive, contact metasomatic

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.

Authoritative Alaska resources

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