Grum Project

Prospect in Canada with commodities Lead, Silver, Zinc
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. Ownership information
  11. Reserves and resources
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10158362
MAS/MILS ID 1220600017
Record type Site
Current site name Grum Project

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -133.22442, 62.26926 (WGS84)
Elevation 1220

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country
Canada

Commodities

Commodity Importance
Lead Primary
Silver Secondary
Zinc Critical Primary

Materials information

Materials Type of material
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -133.22442, 62.26926

Economic information

Ore body information

  • Strike N30W
    Dip 20W
    Thickness 45M
    Length 1500M
    Width 365M
    Field Value
    Type of Orebody #1 MASS SULFIDE
    Shape of Orebody #1 OTHER
    Shape of Orebody #2 LENTICULAR
    Primary mode of Origin RESIDUAL CONCENT
    Primary Ore Control FOLDING
    Secondary Ore Control BEDDING
    Type of Wallrock Alter. #1 PYRITIZATION
    Strike And Dip N30W:20W
    Minimum Depth to Top 40
    Avg. Thick. Unconsol. Mat. 250
    Min. Thick. Unconsol. Mat. 40
    Date of Last Modification 830630

Comments on the geologic information

  • DEPOSIT IS ELLIPTICAL; ORE IS CONCENTRATED IN A SERIES OF SULFIDE LENSES.

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1973

Ownership information

  • Type Owner-Operator
    Owner Cyprus Anvil Mining Corp.
    Interest 100
    Home office Canada
    Year 1981

Comments on the production information

  • INPUT CAPACITY FOR THE THREE COMMODITIES WILL VARY ACCORDING TO THE PRODUCTION YEAR: 1988-96 4857 TONS/DAY; 1997- 2001 3714 TONS/DAY; 2002-06 4286 TONS/DAY.

Reserves and resources

  • Type In-situ
    Estimate year 1976
    Indicated 26900000mt ore
    Demonstrated 26900000mt ore
    Total resources 26900000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 4.34 wt-pct Lead Major 1976
    Zinc Zn 6.76 wt-pct Zinc Major 1976
    Silver Ag 65.5 g/mt Silver Minor 1976
  • Type In-situ
    Estimate year 1975
    Indicated 8000000mt ore
    Demonstrated 8000000mt ore
    Total resources 8000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 3.87 wt-pct Lead Major 1975
    Zinc Zn 6.47 wt-pct Zinc Major 1975
  • Type In-situ
    Estimate year 1993
    Demonstrated 25000000mt ore
    Total resources 25000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 5.01 wt-pct Zinc Major 1993
    Lead Pb 2.96 wt-pct Lead Major 1993
    Silver Ag 50 g/mt Silver Minor 1993

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Capacity 4857
    Capacity Units MT ORE/DAY
    Unit Production Cost 10
    Units of Production $/MT ORE
    Operating Days per Year 350
    Year of Information 1981
  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Mining Method OPEN PIT
    Max. Pit Slope (degrees) 34
    Capacity 3714
    Capacity Units MT ORE/DAY
    Unit Production Cost 10
    Units of Production $/MT ORE
    Operating Days per Year 350
    Year of Information 1981
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method ROOM AND PILLAR 10-34
    Rock Characteristics NONCOHERENT
    Length of Inclines (m) 100
    Slope of Inclines 16
    Number of Inclines 1
    1st Condition of Workings CAVED AT PORTAL
    Capacity 3714
    Capacity Units MT ORE/DAY
    Unit Production Cost 9.12
    Units of Production $/MT ORE
    Operating Days per Year 350
    Year of Information 1981
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method ROOM AND PILLAR 10-34
    Length of Inclines (m) 100
    Slope of Inclines 16
    Number of Inclines 1
    1st Condition of Workings CAVED AT PORTAL
    Capacity 4286
    Capacity Units MT ORE/DAY
    Unit Production Cost 9.12
    Units of Production $/MT ORE
    Operating Days per Year 350
    Year of Information 1981

Reference information

Bibliographic references

  • Reserve-Resource

    ANNIS, R.C., D.A. CRANSTONE AND M. VALLEE, A SURVEY OF KNOWN

  • Reserve-Resource

    MINERAL DEPOSITS IN CANADA THAT ARE NOT BEING MINED;

  • Reserve-Resource

    ENERGY,MINES AND RESOURCES CANADA, MINERALS, MR 181,1978,

  • Reserve-Resource

    P.55,A41.

  • Reserve-Resource

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

  • Reserve-Resource

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

  • Reserve-Resource

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

  • Reserve-Resource

    P.26.

  • Reserve-Resource

    "THE YUKON GOVERNMENT...", ENGINEERING AND MINING JOURNAL,

  • Reserve-Resource

    APR 1993, P. 47.

  • Deposit

    SIROLA, W.M., THE GRUM DEPOSIT; WESTERN MINER, DEC., 1975,

  • Deposit

    P.9-13.

  • Deposit

    SIROLA, WILLIAM M., KERR ADDISON'S GRUM DEPOSIT; EXPLORATION

  • Deposit

    IN THE YUKON'S ANVIL RANGE, CIM BULL., APRIL, 1977,

  • Deposit

    P.40-45.

  • Deposit

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

  • Deposit

    1979, P.87,88

  • Deposit

    CYPRUS ANVIL, 1978-80, ANNUAL REPORTS AND INTERIM REPORTS

  • Deposit

    MINERAL INDUSTRY REPORT, 1977, NORTH OF 60, YUKON TERRITORY,

  • Deposit

    DEPARTMENT OF INDIAN AND NORTHERN AFFAIRS.

  • Deposit

    MINERAL POLICY SECTOR, DEPT. OF ENERGY, MINES AND RESOURCES,

  • Deposit

    1980, GRUM, OTTAWA, CANADA.

Reporter information

Type Date Name Affiliation Comment
Reporter 04-AUG-1994 Eastern Field Operations Center (EFOC) U.S. Bureau of Mines

Beyond USGS

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