1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Great Slave Reef Project

Prospect in Northwest Territories, Canada with commodities Lead, Zinc
Map
XML
JSON
KML
B
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 10232301
MAS/MILS ID 1220300021
Record type Site
Current site name Great Slave Reef Project
Alternate or previous names X-25 Zone, V-46 Zone, R190 Zone

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -115.05557, 60.73756 (WGS84)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada Northwest Territories

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary

Materials information

Materials Type of material
Calcite Unknown
Dolomite Unknown
Galena Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -115.05557, 60.73756
ListMap

Economic information

Ore body information

  • Thickness 30M
    Length 460M
    Width 460M
    Depth to top 120M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 OTHER
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control FRACTURING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 100
    Avg. Thick. Unconsol. Mat. 45
    Min. Thick. Unconsol. Mat. 20
    Date of Last Modification 830819

Comments on the geologic information

  • THE DEPOSIT IS OF THE COLLAPSE CRECCIA TYPE DEVELOPED FROM SOLUTION THINNING OF THE REEFAL DOLOMITES.

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Significant Yes
Discovery year 1976
Mining method Open Stope - Room and Pillar

Ownership information

  • Type Operator
    Owner Westmin Resources Ltd.
    Interest 100
    Home office Canada
    Year 1979
  • Type Owner
    Owner Westmin Resources Ltd.
    Interest 40
    Home office Canada
    Year 1979
  • Type Owner
    Owner Dupont Of Canada Exploration Ltd.
    Interest 50
    Home office Canada
    Year 1979
  • Type Owner
    Owner Philippe Brothers (Canada)
    Interest 10
    Home office Canada
    Year 1979

Comments on the production information

  • PA=46 MT PB, 178 MT ZN. PB= 52 MT PB, 186 MT ZN. PC= 87 MT PB, 232 MT ZN. SMELTER CONCENTRATE GRADE: 99.9% ZN, 92% RECOVERY; 98.5% PB 97% RECOVERY.

Reserves and resources

  • Type In-situ
    Estimate year 1979
    Indicated 3400000mt ore
    Demonstrated 3400000mt ore
    Total resources 3400000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 3.3 wt-pct Lead Major 1979
    Zinc Zn 9.1 wt-pct Zinc Major 1979
  • Type In-situ
    Estimate year 1979
    Indicated 1300000mt ore
    Demonstrated 1300000mt ore
    Total resources 1300000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 6.2 wt-pct Lead Major 1979
    Zinc Zn 11.9 wt-pct Zinc Major 1979

Comments on the reserve resource information

  • OREBODY X-25 CONTAINS 3,450,000 MT ORE. OREBODY R-190 CONTAINS 1,270,000 MT ORE. INSITU RESOURCES COMBINED X-25 AND R-190 OREBODIES GRADE EQUALS WEIGHTED AVERAGE OF THE TWO OREBODIES.
  • 4,720,000 MT RESERVE DATE 1-1-81. 9.85% ZN; 4.08% PB
  • REF:CAN. MINES #MR189,1/1/80. ORIGINALLY FUNDED UNDER X-25 ZONE. ALSO INCLUDES V-46 AND R190 ZONES.

Workings at the site

  • 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
    Percent Recovery 90
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    Capacity 1383
    Capacity Units MT ORE/DAY
    Unit Production Cost 20.16
    Units of Production $/MT ORE
    Operating Days per Year 253
    Year of Information 1982

Reference information

Bibliographic references

  • Ownership

    NORTHERN MINER, WESTERN MINES CUTS GOOD GRADE LEAD-ZINC

  • Ownership

    VALUES, JAN. 11, 1979, P.1,2.

  • 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.A40.

  • Reserve-Resource

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

  • Reserve-Resource

    1979, P.289.

  • 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.28.

  • Reserve-Resource

    ROBERTS, RICHARD, WESTERN MINES TWO RICH HOLES, NORTHERN

  • Reserve-Resource

    MINER, FEB. 15, 1979, P.A1,A2.

  • Deposit

    NORTHERN MINER, WESTERN MINER WORKING TOWARDS PRODUCTION

  • Deposit

    DECISION AT PINE POINT, MAY 10, 1979, P.7.

  • Deposit

    E/MJ, FEB., 1979, P.185.

  • Deposit

    E/MJ, APRIL, 1979, P.31.

  • Deposit

    E/MJ, FEB. 1976, P.40.

  • Deposit

    E/MJ, OCT. 1976, P. 148

  • Deposit

    E/MJ, JAN. 1977, P. 163

  • Deposit

    E/MJ, MAY 1976, P. 181

  • Deposit

    MINING JOURNAL, JAN. 1976, P.21.

  • Deposit

    DEPT. OF INDIAN AND NORTHERN AFFAIRS, 1975, MINERAL INDUSTRY

  • Deposit

    REPORT 1975, NORTH OF 60, NORTHWEST TERRITORIES, P.35-

  • Deposit

    38.

  • Deposit

    MINERAL RESOURCES BRANCH, DEPT. OF ENERGY, MINES AND

  • Deposit

    RESOURCES, 1980, GREAT SLAVE REEF (AX-WD) OTTAWA,

  • Deposit

    CANADA.

  • Deposit

    WESTERN MINES LTD., 1976-79, ANNUAL REPORTS.

  • Deposit

    WESTERN MINES REPORTS, APRIL 30, 1976, MINING JOURNAL, P.35

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Rfb U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site