Rexspar

Prospect in British Columbia, Canada with commodities Fluorine-Fluorite, Uranium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Ownership information
  9. Reserves and resources
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10302947
MAS/MILS ID 1220100062
Record type Site
Current site name Rexspar
Alternate or previous names Birch Island

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -119.91795, 51.56655 (WGS84)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada British Columbia

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Uranium Primary

Nearby scientific data

Ore Body (1) -119.91795, 51.56655

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Both
Significant No

Ownership information

  • Type Owner-Operator
    Owner Consolidated Rexspar Minerals And Chemicals Ltd.
    Interest 53
    Home office Canada
    Year 1978
  • Type Owner
    Owner Denison Mines Ltd.
    Interest 47
    Home office Canada
    Year 1978

Reserves and resources

  • Type In-situ
    Estimate year 1978
    Indicated 1114000mt ore
    Demonstrated 1114000mt ore
    Total resources 1114000mt ore
    Commodity Subtype Grade units Group Importance Year
    Uranium U3O8 0.085 wt-pct Uranium Major 1978
  • Type In-situ
    Estimate year 1975
    Indicated 1360000mt ore
    Demonstrated 1360000mt ore
    Total resources 1360000mt ore
    Commodity Subtype Grade units Group Importance Year
    Fluorine-Fluorite CaF2 30 wt-pct Fluorine Major 1975

Reference information

Bibliographic references

  • Deposit

    PRETO, V.A., SETTING AND GENESIS OF URANIUM MINERALIZATION

  • Deposit

    AT REXSPAR; CIM BULL., DEC., 1978, P.82-88.

  • Deposit

    ANNIS, R.C., D.A. CRANSTONE AND M. VALLEE, A SURVEY OF KNOWN

  • Deposit

    MINERAL DEPOSITS IN CANADA THAT ARE NOT BEING MINED;

  • Deposit

    ENERGY, MINES AND RESOURCES CANADA, MINERALS, MR181,1978,

  • Deposit

    P.37.

Reporter information

Type Date Name Affiliation Comment
Reporter 21-OCT-1983 Porter, Kenneth E. U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.