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  3. Mineral Resource Data System (MRDS)

Mount Polley

Prospect in British Columbia, 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. Ownership information
  9. Reserves and resources
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10132978
MAS/MILS ID 1220100041
Record type Site
Current site name Mount Polley
Alternate or previous names Cariboo-Bell, Cariboo

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -121.64634, 52.55344 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada British Columbia

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Secondary

Nearby scientific data

Ore Body (1) -121.64634, 52.55344
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant Yes
Mining method Open Pit
Milling method Flotation

Ownership information

  • Type Owner-Operator
    Owner Imperial Metals Corp.
    Interest 61.6
    Home office Canada
    Year 1990
  • Type Owner
    Owner Corona Corp.
    Interest 38.4
    Home office Canada
    Year 1990

Comments on the ownership information

  • THE OWNER, IMPERIAL METALS CORP. IS TRYING TO SELL THE 100% PROJECT OWNWERSHIP IN 1992.

Reserves and resources

  • Type In-situ
    Estimate year 1993
    Indicated 53000000mt ore
    Demonstrated 53000000mt ore
    Inferred 201000000mt ore
    Total resources 254000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.5 g/mt Gold Major 1993
    Copper Cu 0.38 wt-pct Copper Major 1993
  • Type In-situ
    Estimate year 1990
    Indicated 48770000mt ore
    Demonstrated 48770000mt ore
    Total resources 48770000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.56 g/mt Gold Major 1990
    Copper Cu 0.38 wt-pct Copper Major 1990
  • Type In-situ
    Estimate year 1990
    Indicated 231000000mt ore
    Demonstrated 231000000mt ore
    Total resources 231000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.45 g/mt Gold Major 1990
    Copper Cu 0.34 wt-pct Copper Major 1990
  • Type In-situ
    Estimate year 1991
    Demonstrated 105900000mt ore
    Total resources 105900000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 0.73 g/mt Silver Minor 1991
    Gold Au 0.471 g/mt Gold Major 1991
    Copper Cu 0.34 wt-pct Copper Major 1991

Comments on the reserve resource information

  • ALSO KNOWN AS CARIBOU-BELL GEOLOGICAL RESOURCE @ 0.39% CU CUTOFF MINEABLE RESOURCE IN PIT S19 @ 0.39% CU CUTOFF 1S 48,770,000 MT @ 0.38% CU & 0.556 GM AU.

Reference information

Bibliographic references

  • Geology

    BAILEY, D.G. AND C. JAY HODGSON, TRANSPORTED ALTERED WALL

  • Geology

    ROCK IN LAHARIC BRECCIAS AT THE CARIBOO-BELL CU-AU

  • Geology

    PORPHYRY DEPOSIT, BRITISH COLUMBIA; ECONOMIC GEOLOGY,

  • Geology

    VOL. 74, 1979, PP.125-153.

  • Reserve-Resource

    MR 223, 1989, B.C.-205.

  • Reserve-Resource

    MINING JOURNAL, MOUNT POLLEY PROFECT, FEBRUARY 1, 1991,

  • Reserve-Resource

    P. 76.

  • Reserve-Resource

    IMPERIAL METALS CORP., NEWS RELEASE, 7/26/90.

  • Reserve-Resource

    CANADIAN MINES HANDBOOK, 1991-92, P. 205.

  • Reserve-Resource

    IMPERIAL METALS CORP., NEWS RELEASE, 7/9/91.

  • Reserve-Resource

    CANADIAN MINE HANDBOOK, 1992-1993, P-190.

  • Reserve-Resource

    IMPERIAL METALS CORP., MOUNT POLLEY PROJECT FACT SHEET,

  • Reserve-Resource

    2/19/91, 3 PP.

  • Deposit

    MINING JOURNAL, INITIAL ASSAYS FROM CARIBOO BELL, OCTOBER 7,

  • Deposit

    1988, P. 276.

  • Deposit

    ENGINEERING AND MINING JOURNAL, NOVEMBER 1988, P. 87.

  • Deposit

    MINING JOURNAL, MT. POLLEY WORK SPEEDS UP, JUNE 23, 1989,

  • Deposit

    P. 488.

  • Deposit

    MINING ACTIVITIES DIGEST, GOLD/COPPER RESERVES AT MT. POLLEY

  • Deposit

    AUGUST 31, 1989, VOL 16, NO. 8, P. 8.

  • Deposit

    ENGINEERING AND MINING JOURNAL, AUGUST 1989, P. 9.

  • Deposit

    MINING JOURNAL, MOUNT POLLEY CONFIDENCE GROWS, SEPTEMBER 1,

  • Deposit

    1989, P. 168.

  • Deposit

    MINING JOURNAL, FEASIBILITY STUDY FOR MOUNT POLLEY, JANUARY

  • Deposit

    5, 1990, P. 4.

  • Deposit

    SKILLING'S MINING REVIEW, MT POLLEY VALUED AT C$100M,

  • Deposit

    NOVEMBER 1990, P. 57.

  • Deposit

    IMPERIAL METALS CORP., NEWS RELEASE, JANUARY 11, 1990.

  • Deposit

    IMPERIAL METALS CORP., NEWS RELEASE, MARCH 1990.

  • Deposit

    MINING RECORD, 8/10/94, P.5.

  • Deposit

    KILBURN, JOHN, GIBRALTAR REVIEWING MT. POLLEY, NORTHERN

  • Deposit

    MINER, 3/28/94, P.1.

  • Deposit

    SKILLINGS', 4/30/94, P.7.

Reporter information

Type Date Name Affiliation Comment
Reporter 11-MAR-97 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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