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Agnico-Eagle Silver Division

Plant in Ontario, Canada with commodities Bismuth, Cobalt, Copper, Nickel, Silver
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10158005
MAS/MILS ID 1220400022
Record type Site
Current site name Agnico-Eagle Silver Division
Alternate or previous names Brady Lake, Big Agaunico Mine, Timiscaming Mine, Langis Mine, Beaver - Timiscaming Project, Beaver Mine, Cobalt Lode, Coniagas, Christopher, Slate Creek Mine, Castle-Trethewey Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -79.68552, 47.38999 (WGS84)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada Ontario

Commodities

Commodity Importance
Bismuth Critical Secondary
Cobalt Critical Secondary
Copper Primary
Nickel Critical Secondary
Silver Primary

Materials information

Materials Type of material
Argentite Unknown
Bismuth Unknown
Calcite Unknown
Chalcopyrite Unknown
Dolomite Unknown
Niccolite Unknown
Pyrite Unknown
Quartz Unknown
Silver Unknown
Smaltite Unknown

Nearby scientific data

Ore Body (1) -79.68552, 47.38999
ListMap

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 STRATABOUND
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 FISSURE VEIN
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control IGNEOUS
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Date of Last Modification 910822

Comments on the geologic information

  • THE LISTED MINERALS ARE A COMPILATION OF THE COMMON ORE, ACCESSORY, AND GANGUE MINERALS FOUND THROUGHOUT THE COBALT MINING AREA.
  • THE PRIMARY CONTROL ON MINERALIZATION, IS THE PRESENCE OF THE NIPISSING DIABASE SILL, WHICH INTRUDES COBALT SERIES HURONIAN CONGLOMERATES AND GREYWACKES AND COLLECTIVELY OVERLIE STEEPLY DIPPING KEEWATIN ARCHEAN ANDESITES UNCONFORMABLY. THE DIABASE SILL IS DESCRIBED AS SUB- HORIZONTAL IN THE LITERATURE, AND THUS HAS NO APPRECIABLE STRUCTURAL DIP OTHER THAN A GENTLY ROLLING OVERALL FORM. ORE OCCURS BOTH ABOVE AND BELOW THE INTRUSION, WITHIN THE COBALT GROUP. AVERAGE THICKNESS OF THE COBALT GROUP SEDIMENTS IN THIS MINING DISTRICT IS ON THE ORDER OF A FEW HUNDRED FEET.

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1903
Year of first production 1908
Plant type Beneficiation (Mill)
Plant subcategory Flotation

Comments on exploration

  • EXPLORATION IN THIS AREA, ALTHOUGH NOT WELL DOCUMENTED, HAS BEEN ONGOING AND EXTENSIVE SINCE THE FIRST DISCOVERY OF SILVER IN THE COBALT REGION IN 1903. TYPICALLY EXPLORATION DRILLING, AND TUNNELING PROCEEDS SIMULTANEOUSLY WITH MINING ACTIVITY, SO THAT RESERVE ESTIMATES CHANGE CONTINUOUSLY WITH THE EXTENT OF THE WORKINGS IN ALL OF THE MINES IN THIS AREA.

Mining district

District name Timiskaming

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Private Lease
Type of mineral rights Fee Ownership

Ownership information

  • Type Owner-Operator
    Owner Agnico-Eagle Mines Ltd.
    Interest 100
    Home office Canada
    Year 1979

Production statistics

  • Year 1987
    Description Silver Bullion 577001 Ounces
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 17946739.64g
  • Year 1988
    Description Silver Bullion 1349035 Ounces
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 41959684.49g
  • Year 1989
    Description Silver Bullion 813588 Ounces
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 25305418.89g

Comments on the production information

  • THE PENN MILL IN COBALT BURNED DOWN IN 1986. IT HAD A CAPACITY OF 350 TPD (318 MTPD). THE MILL WAS REBUILT ON THE OLD SITE, WITH A DESIGN CAPACITY OF 300 TPD (272 MTPD) AND WAS ONSTREAM BY JULY 1987. THE ACID-CYANIDE LEACH FACILITY WAS BUILT IN 1974 IN COBALT BY INTSEL OF CANADA AND ST. JOSEPH EXPLORATIONS LTD. THE 1986 AGNICO-EAGLE ANNUAL REPORT ESTIMATES RECONSTRUCTION COSTS OF THE PENN MILL TO BE $2.5 MILLION (U.S. OR CDN NOT SPECIFIED). THE OLD PENN MILL WAS BUILT IN 1957.

Reserves and resources

  • Type In-situ
    Estimate year 1987
    Measured 72270mt ore
    Demonstrated 72270mt ore
    Total resources 72270mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 205 g/mt Silver Major 1987
  • Type In-situ
    Estimate year 1987
    Measured 34690mt ore
    Demonstrated 34690mt ore
    Total resources 34690mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 109 g/mt Silver Major 1987
  • Type In-situ
    Estimate year 1987
    Measured 15447mt ore
    Demonstrated 15447mt ore
    Total resources 15447mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 250 g/mt Silver Major 1987
  • Type In-situ
    Estimate year 1987
    Measured 25194mt ore
    Demonstrated 25194mt ore
    Total resources 25194mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 311 g/mt Silver Major 1987

Comments on the reserve resource information

  • REF:MIN. BUL. #MR189,CAN. RESERV. AS OF 1/1/80,ENERGY MINES & RESOURCES CANADA;INCLUDES:BEAVER-TEMISKAMING,CASTLE AND CONIAGAS MINES, AND LANGIS. 1987 ANNUAL REPORT: NEW MILL CAPACITY IS 300 ST/DAY. CLOSED IN EARLY 1989 TIL SILVER PRICE IMPROVES.

Reference information

Bibliographic references

  • Production

    WILSON, G. D. AND G KIRK, AGNICO-EAGLE MINES LIMITED-SILVER

  • Production

    DIVISION; D.E. PICKETT, ED., IN MILLING PRACTICE IN

  • Production

    CANADA, CIM SPECIAL VOLUME 16, 1978, P.50-52.

  • Production

    W. MONTGOMERY; UNTITLED IN HOUSE REPORT ON MINING AND

  • Production

    MILLING PRACTICES OF AGNICO-EAGLE SILVER DIVISION,

  • Production

    COBALT, ONTARIO. UNDATED.

  • Production

    AGNICO-EAGLE MINES LTD. 1989 ANNUAL REPORT.

  • Reserve-Resource

    THE CANADIAN MINES HANDBOOK FOR 1986/87; THE NORTHERN MINER

  • Reserve-Resource

    PRESS LTD., TORONTO, ONTARIO, CANADA.

  • 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, MR 181, 197

  • Deposit

    P.65, 82.

  • Deposit

    CANADIAN MINES HANDBOOK 1979-80, NORTHERN MINER PRESS LTD.,

  • Deposit

    1979, P.22

  • Deposit

    CRANSTONE, D.A. AND R.T. WHILLANS, CANADIAN RESERVES OF

  • Deposit

    COPPER, NICKEL, LEAD, ZINC, MOLYBDENUM, SILVER AND GOLD

  • Deposit

    AS OF JAN.1, 1978, EMR CANADA, MINERALS, MR 185, 1979,

  • Deposit

    P. 12.

  • Deposit

    WORLD MINING, AGNICO EAGLE FINDS HIGH GRADE SILVER ORE UNDER

  • Deposit

    DIABASE SILL; JULY, 1977, P.68

  • Deposit

    BROWN, M.R., AGNICO-EAGLE MOVING INTO BIG LEAGUE; NORTHERN

  • Deposit

    MINER, MARCH 29, 1979, P. 1,2,3.

  • Deposit

    BROWN, M.R., AGNICO, NORANDA IN MAJOR PROGRAM FOR COBALT;

  • Deposit

    NORTHERN MINER, JUNE, 1979, P.3.

  • Deposit

    BROWN, M.R., BETTER DAYS AHEAD FOR AGNICO AT COBALT-BIG

  • Deposit

    YEAR EXPECTED; NORTHERN MINER, MARCH 29, 1979, P.

Reporter information

Type Date Name Affiliation Comment
Reporter 19-JUN-1997 Peterson, Gary R. U.S. Bureau of Mines

Beyond USGS

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

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