Dumbarton Mines Limited

Producer in Manitoba, Canada with commodities Nickel, Copper, Cobalt, Platinum, Palladium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10106902
MRDS ID M046655
Record type Site
Current site name Dumbarton Mines Limited
Alternate or previous names Bird River Claim Group, Catlake Area, Maskwa Lake

Geographic coordinates

Geographic coordinates: -95.48589, 50.48306 (WGS84)
Relative position NEAR BIRD RIVER, 14 MILES EAST OF LAC DU BONNET, 20 MILES NORTHEAST OF TOWN LAC DU BONNET, 100 MILES NORTHEAST OF WINNIPEG

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada Manitoba

Commodities

Commodity Importance
Nickel Critical Primary
Copper Primary
Cobalt Critical Secondary
Platinum Critical Secondary
Palladium Critical Secondary

Comments on the commodity information

  • NI TO CU RATIO AVERAGES 4.0 AND RANGES FROM 0.4 TO 330, NI TO CO RANGES 7 TO 30

Materials information

Materials Type of material
Chalcopyrite Ore
Cubanite Ore
Ilmenite Ore
Magnetite Ore
Pentlandite Ore
Pyrrhotite Ore

Analytical data

Result 12 ANALYSES OF MASSIVE SULFIDE "B" ORE ZONE RANGE 23.5 - TO 36.7 % S, TR TO 0.35% CU, 1.02 TO 5.17% NI, 0.08 TO 0.21 % CO, 28.9 TO 58.9 % FE
Result TR ZN, AU, AG
Result MINERALIZED CHERT "B" ORE ZONE 7 ANALYSES RANGE 5.68 TO 8.60 % S, 0.12 TO 2.14 % CU, 0.15 TO 1.29 % NI, 0.02 TO 0.04 % CO, 9.1 TO 17.1 % FE, TR TO 0.02 % ZN, TR AU AND AG

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Rice Lake Group Consisting Of Andesitic Volcanics And Metasedimentary Rocks
    Rock description Rice Lake Group Consisting Of Andesitic Volcanics And Metasedimentary Rocks
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -95.48589, 50.48306

Economic information

Geologic structures

Type of structure Local
Structure description Later Folding And Intrusion Of Granite And Gabbros

Ore body information

  • General form MASSIVE LENSES AND DISSEMINATED
    Thickness 15.24M
    Length 3218.6M
    Depth to bottom 152.4M

Comments on the geologic information

  • GEOLOGIC MAPS, NI AND CU DISTRIBUTION GIVEN BY KARUP - MOLLER AND BRUMMER (1971)

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1917
Year of first production 1969
Year of last production 1973

Mining district

District name Bird River - Catlake Area

Ownership information

  • Type Operator
    Owner Dumbarton Mines Ltd.; Maskwa

Production statistics

  • Year 1974
    Period 1969-1974
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^0.81% Ni
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Nickel Nickel 1wt-pct

Comments on the reserve resource information

  • UNDILUTED AVERAGE ORE IN (1) ABOVE, CONCENTRATE RUNS 4.69 CU TO 5.95 CU AND 8.50 TO 9.88 NI.

Comments on the workings information

  • LENGTH IS LENGTH OF ORE ZONE MASSIVE LENSES AND ORE BODIES SMALLER

Reference information

Bibliographic references

  • Deposit

    KARUP - MOLLER AND BRUMMER, 1971, GAC SPEC. PAPER NO. 9, P. 143 - 154

  • Deposit

    CAN. MIN AND MET., 1976, P. 104

  • Deposit

    HOGAN, 1977, PT METALS IN CAN. MIN. YEARBOOK 1974: CA. DEPT. ENERGY AND MINES P.395

  • Deposit

    COATS,C.J.A., STOCKFORD,H.R., AND BUCHAN,R., 1979, GEOLOGY OF THE MASKWA WEST NICKEL DEPOSIT, MONITOBA: CANADIAN MINERALOGIST, VOL. 17, PP.309-318

  • Deposit

    FOGWILL, DOUGLAS, AND BAMBURAK, JAMES, 1987, MINING IN MANITOBA: MANITOBA ENERGY AND MINES, MINERAL EDUCATION SERIES, 46 P.

  • Deposit

    1949 DIREXPL MASKWA NICKEL CHROME MINES LTD

  • Deposit

    1965 DIREXPL MASKWA NICKEL CHROME MINES LTD

  • Production

    FOGWILL AND BAMBURAK, 1987, P. 25.

  • Reserve-Resource

    KARUP - MOLLER AND BRUMMER (1971)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1976 Page, Norman J. U.S. Geological Survey
Updater 01-DEC-1972 Oster, Karel L. U.S. Geological Survey
Updater 01-JUN-1989 Bolm, Karen S. U.S. Geological Survey

Beyond USGS

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