Nighthawk Mine

Producer in Ontario, Canada with commodity Gold
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. Mining district
  9. Mineral rights holdings
  10. Ownership information
  11. Production statistics
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10208180
MAS/MILS ID 1220400173
Record type Site
Current site name Nighthawk Mine
Alternate or previous names Nighthawk Lake, Porcupine Peninsular Mine

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -80.99976, 48.5 (WGS84)
Location accuracy 5000(meters)

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
Gold Primary

Nearby scientific data

Main Entrance (1) -80.99976, 48.5

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1907
Mining method Open Stope - Other Open Stope Methods
Year of first production 1995
Milling method Leach-Precipitation

Mining district

District name Timmins

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented

Ownership information

  • Type Owner-Operator
    Owner Royal Oak Mines Inc.
    Interest 100
    Home office Canada
    Year 1991
    First year 1991

Production statistics

  • Year 1996
    Description Ore Production 260470 St Ore
  • Year 1996
    Description Gold Production 31215 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 970895.15g

Comments on the production information

  • MINE OPERATED BETWEEN 1924 & 1927. IT PRODUCED 99,628 ST ORE @0.32 OZ AU/ST MINE REOPENED IN 1995; FULL PRODUCTION WAS REACHED IN MAY, 1996.

Reserves and resources

  • Type In-situ
    Estimate year 1987
    Total resources 1270000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 3.2 g/mt Gold Major 1987
  • Type In-situ
    Estimate year 1990
    Total resources 1440000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 5.8 g/mt Gold Major 1990
  • Type In-situ
    Estimate year 1990
    Total resources 1450000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 5.9 g/mt Gold Major 1990
  • Type In-situ
    Estimate year 1997
    Demonstrated 587856mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 4.87 g/mt Gold Major 1997
  • Type In-situ
    Estimate year 1997
    Demonstrated 543404mt ore
    Total resources 543404mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 5.28 g/mt Gold Major 1997
  • Type In-situ
    Estimate year 1996
    Demonstrated 1131259mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 5.07 g/mt Gold Major 1996

Comments on the reserve resource information

  • TOTAL INCLUDES PROV + PROB + MINERALIZED MATERIAL; 12/31/96. DATA FROM RESOURCES TABLE "R" RECORDS 4, 5 & 6 (TOTAL)

Reference information

Bibliographic references

  • Reserve-Resource

    PAMOREX MINERALS INC. ANNUAL REPORT, 1988

  • Reserve-Resource

    THE NORTHERN MINER, 4/30/90, P.23

  • Reserve-Resource

    THE NORTHERN MINER, 7/16/90, P.3

  • Reserve-Resource

    ROYAL OAK MINES INC, 1996, FORM 10-K REPORT, PP. 32-33.

  • Deposit

    MR 223 (GOV'T. OF CANADA), 1989

  • Deposit

    CANADIAN MINES HANDBOOK, 1991-92, P.309

  • Deposit

    CANADIAN MINES HANDBOOK, 1992-93, P.317

  • Deposit

    ROYAL OAK MINES INC, 1996 ANNUAL REPORT, PP. 22-23, 30-31,

  • Deposit

    ROYAL OAK MINES INC, 1996 FORM 10-K REPORT, PP. 16-17, 32-33

  • Deposit

    THE CANADIAN MINES HANDBOOK, 1996-97, PP. 374, 480.

Reporter information

Type Date Name Affiliation Comment
Reporter 25-JUL-97 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

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