Unnamed (ridge west of Stevens Creek)

Occurrence in Alaska, United States with commodity Tungsten
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. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10309021
MRDS ID A013458
Record type Site
Current site name Unnamed (ridge west of Stevens Creek)
Related records 10136620, 10002517

Geographic coordinates

Geographic coordinates: -157.35278, 60.94938 (WGS84)
Relative position Stevens Creek flows northeast from headwaters in the highest part of the Taylor Mountains. This occurrence is on the ridge on the west side of Stevens Creek. The map site is at an elevation of 2,400 feet, in the SE1/4 of section 13, T 10 N, R 46 W, of the Seward Meridian. It is approximately located, perhaps within 1 mile. This occurrence is locality 7 of Cobb (1972 [MF 384]; 1976 [OF 76-606]).

Site location context

Political divisions (FIPS codes)

Dillingham(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Taylor Mountains D-4(quadrangle 1:63,360 scale)

Taylor Mountains NE(quadrangle 1:100,000 scale)

Taylor Mountains C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Holitna River(hydrologic unit)

Upper Kuskokwim River(hydrologic accounting unit)

Southwest(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Wolframite Ore
Quartz Gangue

Alteration

  • Hornfels is developed in the country rocks adjacent to the Taylor Mountain pluton. Quartz veining is common in the border of the pluton and in the hornfels.

Nearby scientific data

(1) -157.35278, 60.94938

Economic information

Comments on the geologic information

  • Geologic Description = The core of the Taylor Mountains is an Upper Cretaceous or LowerTertiary granite pluton that sharply crosscuts and thermally metamorphoses mid-Cretaceous clastic sedimentary rocks of the Kuskokwim Group (Cady and others, 1955, p. 83, 121). Quartz veins are common in the pluton near its border and in the contact-metamorphic rocks. Wolframite was identified in vein quartz float that apparently weathered from the contact-metamorphic zone on the ridge west of Stevens Creek.
  • Age = Late Cretaceous or Early Tertiary, the age of the Taylor Mountain pluton.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Aniak

Reference information

Bibliographic references

  • Deposit

    Cady, W.M., Wallace, R.E., Hoare, J.M., and Webber, E.J., 1955, The central Kuskokwim region, Alaska: U.S. Geological Survey Professional Paper 268, 132 p.

  • Deposit

    Cobb, E.H., 1972, Metallic mineral resources map of the Taylor Mountains quadrangle: U.S. Geological Survey Miscellaneous Field Studies Map MF-384, scale 1:250,000.

  • Deposit

    Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Dillingham, Sleetmute, and Taylor Mountain quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-606, 92 p.

  • Deposit

    Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Dillingham, Sleetmute, and Taylor Mountains quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-606, 92 p.

Comments on the references

  • Primary Reference = Cady and others, 1955

General comments

Subject category Comment text
Deposit Model Name = Wolframite in quartz veins

Reporter information

Type Date Name Affiliation Comment
Reporter 30-DEC-2000 Travis L. Hudson Applied Geology

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.