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Unnamed (northeast of upper Wood River)

Occurrence in Alaska, United States with commodities Gold, 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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10000725
MRDS ID A011364
Record type Site
Current site name Unnamed (northeast of upper Wood River)

Geographic coordinates

Geographic coordinates: -147.56893, 63.7377 (WGS84)
Relative position This occurrence is at an elevation of about 4,700 feet, in the headwaters of northeast tributaries to upper Wood River. The site is approximately 1 mile west of peak 6,850, in the NW1/4 of sec. 4, T. 14 S., R. 1 E., of the Fairbanks Meridian. The location is accurate to within 2000 feet. This is location 5 of Sherwood and others (1976).

Site location context

Political divisions (FIPS codes)

Southeast Fairbanks(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Healy C-2(quadrangle 1:63,360 scale)

Mount Hayes NW(quadrangle 1:100,000 scale)

Healy(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary
Copper Secondary

Materials information

Materials Type of material
Malachite Ore

Alteration

  • (Local) Locally conspicuous iron staining and oxidation of copper minerals.

Nearby scientific data

(1) -147.56893, 63.7377
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = The country rocks in the area of this occurrence are Upper Triassic carbonaceous, calcareous shale, argillite, sandstone, siltstone, and limestone, along with numerous dikes, sills, and small plugs of altered diabase and gabbro (Wilson and others, 1998). The occurrence consists of gossan, and of malachite in fractures in the sedimentary rocks. Samples of the gossan contained 1 ppm gold (Sherwood and others, 1976).

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Bonnifield

Comments on the workings information

  • Workings / Exploration = Surface exploration only. Samples of the gossan contained 1 ppm gold (Sherwood and others, 1976).

Reference information

Comments on the references

  • Primary Reference = Sherwood and others, 1976

Reporter information

Type Date Name Affiliation Comment
Reporter 07-APR-2000 N. Van Wyck Stevens Exploration Management Corporation

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.