Crevier

Plant in Quebec, Canada with commodities Niobium (Columbium), Tantalum
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. Mineral rights holdings
  9. Land status
  10. Ownership information
  11. Reserves and resources
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10181972
MAS/MILS ID 1220500109
Record type Site
Current site name Crevier
Alternate or previous names Crevior

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -72.78275, 49.46667 (WGS84)
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Canada Quebec

Commodities

Commodity Importance
Niobium (Columbium) Critical Primary
Tantalum Critical Secondary

Nearby scientific data

Ore Body (1) -72.78275, 49.46667

Economic information

Comments on the geologic information

  • ZONES OF U, CB, TA, ZR, & P OCCUR IN A 9X5 MILE ALKALINE COMPLEX WITH A CARBONATITE-BIOTITE SYENITE CORE AND A NEPHELINE SYENITE INNER RING.

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant No
Discovery year 1975
Mining method Open Pit
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Mineral rights holdings

Type of mineral rights Minerals Only

Land status

Ownership category Federal

Ownership information

  • Type Owner
    Owner Cambior Inc.
    Interest 100
    Home office Canada
    Year 1986

Reserves and resources

  • Type In-situ
    Estimate year 1989
    Indicated 15200000mt ore
    Demonstrated 15200000mt ore
    Total resources 15200000mt ore
    Commodity Subtype Grade units Group Importance Year
    Niobium (Columbium) Cb2O5 0.189 wt-pct Niobium (Columbium) Major 1989
    Tantalum Ta2O5 0.0206 wt-pct Tantalum Minor 1989
  • Type In-situ
    Estimate year 1989
    Indicated 17750000mt ore
    Demonstrated 17750000mt ore
    Total resources 17750000mt ore
    Commodity Subtype Grade units Group Importance Year
    Niobium (Columbium) Cb2O5 0.186 wt-pct Niobium (Columbium) Major 1989
    Tantalum Ta2O5 0.0197 wt-pct Tantalum Minor 1989
  • Type In-situ
    Estimate year 1982
    Demonstrated 30000000mt ore
    Total resources 30000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Niobium (Columbium) Cb 0.136 wt-pct Niobium (Columbium) Major 1982
    Tantalum Ta2O5 0.0204 wt-pct Tantalum Minor 1982

Comments on the reserve resource information

  • COLUMNS # 1 AND 2 ARE THE ESTIMATED INSITU RESOURCES USED IN THE 1984 PROPERTY EVALUATION.
  • RECOVERABLE RESERVES AS ENTERED ON THE 2/84 ETD.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 75
    Avg. Bench Height (meters) 10
    Capacity 4000
    Capacity Units MT ORE/DAY
    Operating Days per Year 260
    Operating Shifts per Day 3
    Year of Information 1982

Reference information

Bibliographic references

  • Reserve-Resource

    ENERGY MINES AND RESOURCES CANADA, NATIONAL MINERAL

  • Reserve-Resource

    INVENTORY, MINERAL POLICY SECTOR, "CANADIAN MINERAL

  • Reserve-Resource

    DEPOSITS NOT BEING MINED IN 1989", MINERAL BULLETIN

  • Reserve-Resource

    #223, ITEM, QUE. 389.

  • Deposit

    BERGERON, A., "PETROGRAPHINE ET GEOCHIMIE DU COMPLEXE IGNE

  • Deposit

    ALCALIN DE CREVIER ET SON ENCAISSANT METASOMATISE,"

  • Deposit

    (1980).

  • Deposit

    BONNEAU, JACQUES, "LE COMPLEXE IGNE DE CREVIER ET SES DEPOTS

  • Deposit

    DE NIOBIUM-TANTALE-URANIUM," (1979).

  • Deposit

    BURT, R.O., "THE FLOTATION OF TANTALUM MINERALS," XIV INTNL.

  • Deposit

    MINERALS PROCESSING, OCT. 1982, PAPER IV-12.

  • Deposit

    BURT, R.O., "TANTALUM MINING CORP. GRAVITY CONCENTRATOR-

  • Deposit

    RECENT DEVELOPMENTS," CIM BULLETIN, SEPTEMBER 1979.

  • Deposit

    CANADIAN MINERS HANDBOOK: SOQUEM 1980-81, 1982-83.

  • Deposit

    FLEMMING, J. & AL., TANCO'S RARE METAL CONCENTRATOR CANADIAN

  • Deposit

    MINING JOURNAL, MARCH 1982.

  • Deposit

    HARRISON, R., "GEOCHRONOLOGIE, PETROGRAPHIE ET GEOCHIMIE

  • Deposit

    D'UNE SECTION DU DIKE A MINERALISATION NB-TA DU COMPLEXE

  • Deposit

    IGNE DE CREVIER," (1981).

  • Deposit

    LAPLANTE, R., ETUDE DE LA MINERALISATION EN TA, NB, U DU

  • Deposit

    COMPLEXE IGNE DU CANTON CREVIER COMTE LAC ST-JEAN, 1980.

  • Deposit

    PERREAULT, G., "ETUDE DE LA MINERALIZATION EN TA-NB-U CANTON

  • Deposit

    CREVIER," PROJECT SOQUEM 10-746 IREM-MERI 1979.

  • Deposit

    WILLIAMS, C.T., "TANTALUM MINING CORPORATION OF CANADA LTD.,

  • Deposit

    BERNIC LAKE CONCENTRATOR," MILLING PRACTICE IN CANADA.

  • Deposit

    CIM SPECIAL VOLUME 16, 1978.

Reporter information

Type Date Name Affiliation Comment
Reporter 22-DEC-94 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

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