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  3. Mineral Resource Data System (MRDS)

Donald J. Laronde

Plant in Quebec, Canada with commodities Copper, Gold, 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. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Mineral rights holdings
  9. Ownership information
  10. Production statistics
  11. Reserves and resources
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10255067
MAS/MILS ID 1220500085
Record type Site
Current site name Donald J. Laronde
Alternate or previous names Dumagami, Dumagami Gold Deposit

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -78.44137, 48.25829 (WGS84)
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada Quebec

Commodities

Commodity Importance
Copper Secondary
Gold Primary
Silver Secondary

Nearby scientific data

Ore Body (1) -78.44137, 48.25829
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1983
Mining method Combined Methods
Year of first production 1988
Plant type Beneficiation (Mill)
Plant subcategory Hydromet
Milling method Leach-Precipitation-Float

Mineral rights holdings

Type of mineral rights Patented

Ownership information

  • Type Owner-Operator
    Owner Agnico-Eagle Mines Ltd.
    Interest 100
    Home office Canada
    Year 1991

Production statistics

  • Year 1989
    Description 4.65g Au 630750 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 630750mt 5g/mt
  • Year 1990
    Description 4.79g Au 681818 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 681818mt 5g/mt
  • Year 1991
    Description 6.50g Au 591838 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 591838mt 7g/mt
  • Year 1992
    Description 8.23g Au 545268 Me Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 545268mt 8g/mt

Comments on the production information

  • DESCRIPTION SHOWS MILL FEED GRADES.

Reserves and resources

  • Type In-situ
    Estimate year 1989
    Total resources 24500000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.4 g/mt Gold Major 1989
  • Type In-situ
    Estimate year 1991
    Demonstrated 540000mt ore
    Total resources 540000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 4 wt-pct Zinc 1991
    Copper Cu 1.14 wt-pct Copper Minor 1991
    Gold Au 12 g/mt Gold Major 1991
    Silver Ag 40.5 g/mt Silver Minor 1991
  • Type In-situ
    Estimate year 1992
    Demonstrated 5552000mt ore
    Total resources 5552000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.42 wt-pct Copper Minor 1992
    Gold Au 6.2 g/mt Gold Major 1992
    Silver Ag 9.3 g/mt Silver Minor 1992
  • Type In-situ
    Estimate year 1992
    Demonstrated 5543000mt ore
    Total resources 5543000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 6.5 g/mt Gold Major 1992

Comments on the reserve resource information

  • FORMERLY CALLED DUMAGAMI GOLD MINE BASE METAL ZONE TO NORTH HAS 1,000,000 MT @ 1.9 % ZN, 0.57 % CU, 21.6 GM AG & 0.08 % PB. CMH 1990-91, P. 38; MR 213, 1986, P. 98; (12/31/89) NORTHERN MINER, 5/4/92, P.1-2.
  • ESTIMATED DEMONSTRATED RESOURCES USED IN THE 1993 CANADIAN GOLD STUDY.

Reference information

Bibliographic references

  • Reserve-Resource

    THE NORTHERN MINER, 5/4/92, PAGES 1-2.

  • Reserve-Resource

    AGNICO EAGLE MINES LTD., 1992 20F, PAGE 5 (3003-D5).

Reporter information

Type Date Name Affiliation Comment
Reporter 22-JUN-94 Porter, Kenneth E. 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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