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  3. Mineral Resource Data System (MRDS)

Unnamed (near Cook Inlet Shoals)

Occurrence in Alaska, United States with commodities Iron, Titanium
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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. 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 10003495
MRDS ID A106254
Record type Site
Current site name Unnamed (near Cook Inlet Shoals)

Geographic coordinates

Geographic coordinates: -150.17266, 61.20953 (WGS84)
Relative position Offshore mining lease for titanium in Cook Inlet, north of Fire Island (U.S. Bureau of Mines, 1998, MAS # 0020840010). Location approximate within one mile.

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tyonek A-1 NE(quadrangle 1:24,000 scale)

Tyonek SE(quadrangle 1:100,000 scale)

Tyonek(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Susitna River(hydrologic unit)

Susitna River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Iron Primary
Titanium Critical Primary

Materials information

Materials Type of material
Ilmenite Ore
Magnetite Ore

Mineral occurrence model information

Model code 121
USGS model code 39c
Deposit model name Shoreline placer Ti

Nearby scientific data

(1) -150.17266, 61.20953
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = This occurence has been reported as an offshore mining lease for titanium in Cook Inlet, north of Fire Island. Cook (1969, p. 89-99) evaluated this occurrence by concentrating the heavy minerals in a -48 mesh fraction. Concentrates yielded 15.9 pounds of magnetite and 5.2 pounds of ilmenite per cubic yard. He reported that the amount of heavy minerals was too low to be of economic value at that time. Very limited descriptive information is published on this occurrence.
  • Age = Quaternary

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Mining district

District name Redoubt

Reference information

Bibliographic references

  • Deposit

    U.S. Bureau of Mines, 1998, Minerals Availability System/Minerals Industry Location System (MAS/MILS), Talkeetna Quadrangle: Worldwide Web URL http://imcg.wr.usgs.gov/data.html.

  • Deposit

    Cook, D.J., 1969, Heavy minerals in Alaskan beach sand deposits: University of Alaska, Mineral Industry Research Laboratory Report 20, 114 p.

Comments on the references

  • Primary Reference = Cook, 1969

General comments

Subject category Comment text
Deposit Model Name = Placer Ti (Cox and Singer, 1986; model 39c)
Deposit Other Comments = Very limited descriptive information is published on this occurrence.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1998 Madelyn A. Millholland Millholland & Associates

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.