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  3. Mineral Resource Data System (MRDS)

Doyon

Plant in Quebec, Canada with commodity Gold
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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 10303665
MAS/MILS ID 1220500081
Record type Site
Current site name Doyon
Alternate or previous names Silver Stack Gold Deposit, Silver Stack Gold Mine, Warrenmac

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -78.54298, 48.25999 (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
Gold Primary

Nearby scientific data

Ore Body (1) -78.54298, 48.25999
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1974
Mining method Combined Methods
Year of first production 1980
Plant type Leach
Plant subcategory Hydromet
Milling method Hydrometallurgy Unspecified

Mineral rights holdings

Type of mineral rights Patented

Ownership information

  • Type Owner-Operator
    Owner Lac Minerals Ltd.
    Interest 50
    Home office Canada
    Year 1991
  • Type Owner
    Owner Cambior Inc.
    Interest 50
    Home office Canada
    Year 1991

Production statistics

  • Year 1985
    Description 5.13g Au, .51g Ag 501818 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 5g/mt
    Ore Silver Silver 1g/mt
  • Year 1986
    Description 1276364 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 1276364mt
  • Year 1987
    Description 1363636 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 1363636mt
  • Year 1988
    Description 5.75g Au 1507273 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 1507273mt 6g/mt
  • Year 1989
    Description 6.36g Au 1145455 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 1145455mt 6g/mt
  • Year 1990
    Description 7.42g Au 1179000 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 1179000mt 7g/mt
  • Year 1991
    Description 7.30 G Au 1136000 01
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 1136000mt 7g/mt
  • Year 1992
    Description 7.10 G Au 1158000 01
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 1158000mt 7g/mt

Comments on the production information

  • DESCRIPTION SHOWS MILL FEED GRADES.

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Indicated 3600000mt ore
    Demonstrated 3600000mt ore
    Total resources 3600000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 5.49 g/mt Gold Major 1977
  • Type In-situ
    Estimate year 1977
    Indicated 308000mt ore
    Demonstrated 308000mt ore
    Total resources 308000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 5.83 g/mt Gold Major 1977
  • Type In-situ
    Estimate year 1992
    Demonstrated 10572000mt ore
    Total resources 10572000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 6.5 g/mt Gold Major 1992
  • Type In-situ
    Estimate year 1992
    Inferred 1368000mt ore
    Total resources 1368000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 7.5 g/mt Gold Major 1992
  • Type In-situ
    Estimate year 1993
    Demonstrated 10206000mt ore
    Total resources 10206000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 6.2 g/mt Gold Major 1993
  • Type In-situ
    Estimate year 1993
    Inferred 1553000mt ore
    Total resources 1553000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 8.6 g/mt Gold Major 1993
  • Type In-situ
    Estimate year 1993
    Demonstrated 10206000mt ore
    Total resources 10206000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 6.2 g/mt Gold Major 1993

Comments on the reserve resource information

  • LAC MINERALS LTD, 1992 ANNUAL REPORT, PAGE 17.

Reference information

Bibliographic references

  • Reserve-Resource

    CANADIAN MINES HANDBOOK, 1991-92, P. 231, 82.

  • Reserve-Resource

    LAC MINERALS LTD., 1992 ANNUAL REPORT, PAGE 17

Reporter information

Type Date Name Affiliation Comment
Reporter 26-MAY-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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