Elliot Lake Denison Mines

Past Producer in Ontario, Canada with commodities REE, Uranium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mineral rights holdings
  11. Land status
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10206605
MAS/MILS ID 1220400029
Record type Site
Current site name Elliot Lake Denison Mines

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -82.53313, 46.48329 (WGS84)
Elevation 400
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Blind River(quadrangle 1:250,000 scale)

Geographic areas

Country State
Canada Ontario

Commodities

Commodity Importance
REE Critical Primary
Uranium Tertiary

Materials information

Materials Type of material
Monazite Unknown
Pyrite Unknown
Quartz Unknown
Sericite Unknown
Trona Unknown
Zircon Unknown

Nearby scientific data

Main Entrance (1) -82.53313, 46.48329

Economic information

Ore body information

  • Thickness 3.5M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Date of Last Modification 860829

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant Yes
Discovery year 1953
Year of first production 1957

Mineral rights holdings

Type of mineral rights Private Lease

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Denison Mines Ltd.
    Interest 100
    Home office Canada
    Year 1982

Production statistics

  • Year 1960
    Description 6,995,000 Kg U3o8 5930700 Mt Ore 1957-1960
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Uranium Uranium 5930700mt
  • Year 1970
    Description 17,956,000 Kg U3o8 12297100 Mt Ore 1961-1970
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Uranium Uranium 17672mt
  • Year 1971
    Description 1,931,000 Kg U3o8 1259100 Mtpy Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Uranium Uranium 1901mt
  • Year 1972
    Description 1,775,000 Kg U3o8 1319900 Mtpy Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Uranium Uranium 1747mt
  • Year 1973
    Description 1,553,000 Kg U3o8 1300000 Mtpy Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Uranium Uranium 1528mt
  • Year 1974
    Description 1,273,000 Kg U3o8 & 39,367 Kg Reo Con 1171100 Mtpy Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Uranium Uranium 1235mt
  • Year 1975
    Description 1,320,000 Kg U3o8 & 34,927 Kg Reo Con 1216500 Mtpy Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Uranium Uranium 1320mt
  • Year 1976
    Description 1,411,000 Kg U3o8 & 26,309 Kg Reo Con 1381700 Mtpy Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Uranium Uranium 1411mt
  • Year 1977
    Description 1,815,000 Kg U3o8 1869200 Mtpy Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Uranium Uranium 1815mt
  • Year 1978
    Description 2,217,000 Kg U3o8 2182400 Mtpy Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Uranium Uranium 2217mt
  • Year 1979
    Description 2,042,000 Kg U3o8 2215000 Mtpy Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Uranium Uranium 2042mt
  • Year 1980
    Description 2,019,000 Kg U3o8 2278600 Mtpy Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Uranium Uranium 2019mt
  • Year 1981
    Description 2,151,000 Kg U3o8 2790600 Mtpy Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Uranium Uranium 2151mt

Comments on the production information

  • PRODUCTION FOR THE PERIOD OF 1986-2000 WAS ESTIMATED AS 4,765,950 MTPY OF ORE, SUBJECT TO RENEWAL OF THE PERTINENT URANIUM SALES CONTRACTS.

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Measured 53020000mt ore
    Demonstrated 53020000mt ore
    Total resources 53020000mt ore
    Commodity Subtype Grade units Group Importance Year
    REE Y Group 0.011 wt-pct REE Major 1982
    Uranium U3O8 0.111 wt-pct Uranium Trace 1982
  • Type In-situ
    Estimate year 1982
    Indicated 87010000mt ore
    Demonstrated 87010000mt ore
    Total resources 87010000mt ore
    Commodity Subtype Grade units Group Importance Year
    REE Y Group 0.0085 wt-pct REE Major 1982
    Uranium U3O8 0.085 wt-pct Uranium Trace 1982
  • Type In-situ
    Estimate year 1982
    Inferred 223800000mt ore
    Total resources 223800000mt ore
    Commodity Subtype Grade units Group Importance Year
    REE Y Group 0.0057 wt-pct REE Major 1982
    Uranium U3O8 0.058 wt-pct Uranium Trace 1982

Comments on the reserve resource information

  • THE Q2 DATA ARE FOR MINED AND RECOVERED ORE, BASED UPON 15% MINE DILUTION AND 70% MINE RECOVERY. MEASURED RESOURCES ARE 42,681,100 MT GRADING 0.097% U3O8 & 0.0097% REO. INDI- CATED RESOURCES ARE 70,043,050 MT AT 0.074% & 0.0074% RES- PECTIVELY. INFERRED REOURCES ARE 180,159,000 MT AT 0.050% & 0.0050% RESPECTIVELY. Q3-C1 RESOURCE DATA IS IN TERMS OF DILUTED ORE.
  • RESOURCE DATA IN TERMS OF DILUTED ORE.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method ROOM AND PILLAR 10-34
    Number of Shafts 4

Reference information

Bibliographic references

  • Deposit

    HESTER, K. D. "CURRENT DEVELOPMENTS AT RIO ALGOM, ELLIOT

  • Deposit

    LAKE," CIM BULLETIN, APRIL 1979, PP. 181-188.

  • Deposit

    HESTER, K. D. "RIO ALGOM EXPANDS PLANT AT ELLIOT LAKE,"

  • Deposit

    MINING MAGAZINE, MAY 1979, PP. 396-405.

  • Deposit

    JOHNSON, BOB. "REFURBISHED STANLEIGH SHAFT GIVES URANIUM

  • Deposit

    MINE NEW LIFE," CANADIAN MINING JOURNAL, DECEMBER 1982,

  • Deposit

    PP. 43-46.

  • Deposit

    NOTES TAKEN DURING SITE VISIT BY PAH PERSONNEL IN NOVEMBER

  • Deposit

    1982.

  • Deposit

    "RIO ALGOM EXPANDING AT NEW QUIRKE, REACTIVATING PANEL AND

  • Deposit

    INSTITUTE OF MINING AND METALLURGY BULLETIN, APRIL 1979

  • Deposit

    PP. 172-176.

  • Deposit

    LA ROCQUE, E. AND R. WEBBER, "WASTE MANAGEMENT AT DENISON

  • Deposit

    MINES," DENISON MINES LIMITED, JULY 1978.

  • Deposit

    NOTES FROM SITE VISIT TO ELLIOT LAKE IN NOVEMBER 1982.

  • Deposit

    PAKKALA, T. ERIC, "DENISON MINES LIMITED MILL EXPANSION,

  • Deposit

    RIO ALGOM LTD., MILLING PRACTICE IN CANADA, CANADIAN

  • Deposit

    INSTITUTE OF MINING AND METALLURGY, PP. 307-309.

  • Deposit

    "RIO ALGOM PLANS HUGE EXPANSION TO DELIVER 80 MILLION LB,"

  • Deposit

    ENGINEERING AND MINING JOURNAL, NOVEMBER 1978, PP. 166-

  • Deposit

    169.

  • Deposit

    "RIO ALGOM'S PANEL MINE," MINING MAGAZINE, NOVEMBER 1979, P.

  • Deposit

    411.

  • Deposit

    ROBERTSON, JAMES A. "THE URANIUM DEPOSITS OF ONTARIO-THEIR

  • Deposit

    DISTRIBUTION AND CLASSIFICATION," ONTARIO MINISTRY OF

  • Deposit

    RESOURCES, ONTARIO GEOLOGICAL SURVEY MISCELLANEOUS

  • Deposit

    PRESENT, AND FUTURE," ONTARIO MINISTRY OF NATURAL

  • Deposit

    RESOURCES, ONTARIO MINERAL POLICY BACKGROUN PAPER NO.

  • Deposit

    PRESENT, AND FUTURE, "ONTARIO MINISTRY OF NATURAL

  • Deposit

    NO. 13, JANUARY 1981.

  • Deposit

    SKEAFF, J.M. "SURVEY OF THE OCCURRENCE OF RA-226 IN THE RIO

  • Deposit

    ALGOM QUIRKE I URANIUM MILL, ELLIOT LAKE," CIM BULLETIN

  • Deposit

    JUNE 1982, PP. 115-121.

  • Deposit

    "STANLEIGH REACTIVATION," ENGINEERING AND MINING JOURNAL,

  • Deposit

    NOVEMBER 1981, P. 109.

  • Deposit

    STENNING, G. "CURRENT EXPANSION OF THE ELLIOT LAKE MINES,"

  • Deposit

    PAPER PRESENTED AT THE 22ND ANNUAL INTERNATIONAL

  • Deposit

    CONFERENCE, CANADIAN NUCLEAR ASSOCIATION, TORONTO,

  • Deposit

    ONTARIO, JUNE 8, 1982.

Reporter information

Type Date Name Affiliation Comment
Reporter 25-SEP-1996 Coffman, Joe U.S. Bureau of Mines

Beyond USGS

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