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Thompson Mine

Producer in Manitoba, Canada with commodities Nickel, Copper, Cobalt, PGE, Gold, Silver, Selenium, Tellurium
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Geologic information

Identification information

Deposit ID 10024595
MRDS ID ISM0319
Record type Site
Current site name Thompson Mine

Geographic coordinates

Geographic coordinates: -97.85436, 55.72007 (WGS84)
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Geographic areas

Country State
Canada Manitoba

Comments on the location information

  • TOWNSHIPS 77 AND 78, 3 WEST OF PRINCIPAL MERIDIAN
  • TOTAL STRIKE LENGTH APPROXIMATELY 120 KM

Commodities

Commodity Importance
Nickel Primary
Copper Primary
Cobalt Primary
PGE Primary
Gold Primary
Silver Primary
Selenium Primary
Tellurium Primary

Comments on the commodity information

  • PLATINUM-GROUP ELEMENTS

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Thompson Metasedimentary Band
    Rock description Thompson Metasedimentary Band

Nearby scientific data

(1) -97.85436, 55.72007
ListMap

Geologic structures

Type of structure Regional
Structure description Ultramafic Sills Empaced In Metasedimentary Sequence.

Comments on the geologic information

  • MINOR BASIN DEVELOPMENT; MINOR BASIN DEVELOPMENT; CHROMITE + ORTHOPYROXENE + PLAGIOCLASE; LAURITE + COOPERITE + BRAGGITE + PT-IR-RH-CU-SULPHIDE + PT-PB-CU-SULPHIDE + PT-FE-ALLOY + PD-CU-ALLOY + PD-PB-ALLOY + PD-HG-ALLOY; PENTLANDITE + CHALCOPYRITE + PYRRHOTITE + PYRITE; DIP 5 DEGREES TO 70 DEGREES TOWARDS THE CENTER OF THE BUSHVELD COMPLEX; AVERAGE THICKNESS 0.6 TO 2.20 M; UG2 CHROMITITE LAYER OCCURS 145 TO 370 M BELOW THE MERENSKY REEF.
  • INTENSE FOLDING, FAULTING, METAMORPHISM AND MOBILIZATION OF SULPHIDE.; EPROT; RB/SR: 1.7-1.8 GA; PYTT + PNLD + PYRT + CLCP. NO INFORMATION ON PLATINUM GROUP MINERALS.; THE OREBODY COMPRISES AN IRREGULAR, MORE OR LESS CONTINUOUS SHEET OF SULPHIDE WITHIN THE FOLDED, CONFORMABLE BIOTITE SCHIST UNIT. THE SULPHIDES FORM MASSES AND VEINLETS IN THE SCHIST, AND TOGETHER WITH QUARTZ, PLAGIOCLASE, AND BIOTITE, CONSTITUTE A MATRIX FOR SMALL TO LARGE INCLUSIONS OF SCHIST, PEGMATITE, AND SERPENTINIZED AND MINERALIZED PERIDOTITE. THIS DEPOSIT APPEARS TO BE THE MOST INTENSELY DEFORMED AND METAMORPHOSED OF THE THOMPSON BELT NICKEL DEPOSITS.

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1956
Discovery method Geophysical Anomaly
Year of first production 1961
Year of last production >1981

Mining district

District name The Pas

Ownership information

  • Type Owner-Operator
    Owner International Nickel Co. Of Canada, Ltd. (Inco)
    Home office Toronto, Ontario, Canada

Production statistics

  • Year 1981
    Period 1977-1981
    Accuracy Estimate
    Description Ap_Grade: ^1.83% Ni
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Nickel Nickel 2wt-pct
  • Year 1983
    Period 1961-1983
    Accuracy Estimate
    Description Cp_Grade: ^2.0% Ni
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Nickel Nickel 2wt-pct
  • Year 1983
    Period 1979-1983
    Accuracy Estimate
    Description Ap_Grade: ^ 0.14% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 0wt-pct
  • Year 1983
    Period 1961-1983
    Accuracy Estimate
    Description Cp_Grade: ^ 0.12% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 0wt-pct
  • Year 1983
    Period 1979-1983
    Accuracy Estimate
    Description Ap_Grade: ^ .05% Co
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cobalt Cobalt 0wt-pct
  • Year 1983
    Period 1961-1983
    Accuracy Estimate
    Description Cp_Grade: ^ 0.01% Co
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cobalt Cobalt 0wt-pct
  • Year 1983
    Period 1979-1983
    Accuracy Estimate
    Description Ap_Grade: ^1.82% Ni
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Nickel Nickel 2wt-pct
  • Year 1983
    Period 1979-1983
    Accuracy Estimate
    Description Ap_Grade: ^ 0.14% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 0wt-pct

Comments on the production information

  • BASED ON COMPANY REPORTS ON ANNUAL PRODUCTION AND METAL DELIVERIES WITH ALLOWANCES FOR MILLING AND SMELTING LOSSES. COMPANY REPORTS DATA ON "INTEGRATED" OPERATIONS: BREAKDOWN HERE PARTLY SPECULATIVE. BASED ON COMPANY REPORTS ON ANNUAL PRODUCTION AND METAL DELIVERIES WITH ALLOWANCES FOR MILLING AND SMELTING LOSSES. COMPANY REPORTS DATA FOR "INTEGRATED" OPERATIONS: ESTIMATES GIVEN HERE ARE PARTLY SPECULATIVE.

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Total resources 73,000,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 2.58 wt-pct Nickel Major 1983

Comments on the reserve resource information

  • KG MINING WEEK 13/06/84
  • COATS, C.J.A., QUIRKE, T.T., JR., BELL, C.K., CRANSTONE, D.A., AND CAMPBELL, F.H.A., 1972, GEOLOGY AND MINERAL DEPOSITS OF THE FLIN FLON, LYNN LAKE AND THOMPSON AREAS, MANITOBA, AND THE CHURCHILL-SUPERIOR FRONT OF THE WESTERN PRECAMBRIAN SHIELD; INTERNATIONAL GEOLOGICAL CONGRESS, 24TH SESSION, GUIDEBOOK FOR FIELD EXCURSIONS A31 AND C31, 96P.
  • DATA ON PRODUCTION AND RESERVES FOR THOMPSON MINE COVER THE PRINCIPAL MANITOBA OPERATIONS (6) OF INCO LIMITED. PLATINUM GROUP ELEMENT AND COBALT GRADES NOT PUBLISHED BY COMPANY.

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (). ASSESSMENT(WELL INVESTIGATED AREA WITH LARGE RESOURCES, BUT NO PRODUCTION IN THE NEAR FUTURE);
  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. ( X; WEAK NICKEL DEMAND AND WORLD-WIDE OVERCAPACITY.). DEVELOPMENT(YES); EXPLORATION(YES); ABLITY TO EXPAND PRODUCTION BASED UPON COMPANY'S PUBLIC STATEMENT.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS ISM0319
USGS International Strategic Minerals Inventory ISMI PGE24
Department of Energy Mines and Resources, Ottawa, Canada Mineral Policy Sector CANMPS 63 P12 NI002

Bibliographic references

  • Deposit

    PATTERSON, J.M., 1963, GEOLOGY OF THE THOMPSON-MOAK LAKE AREA, MANITOBA DEPT. MINES AND NATURAL RESOURCES, MINES BRANCH, PUBLICATION 60-4, 50 P.

  • Deposit

    INCO LIMITED, ANNUAL REPORTS: TORONTO, ONTARIO.

  • Deposit

    CANADIAN MINES HANDBOOK, TORONTO ONTARIO, NORTHERN MINER PRESS LIMITED.

  • Production

    PA1-PA5: EMR ESTIMATE. PC1-PC4: EMR ESTIMATE.

General comments

Subject category Comment text
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.).
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). UNDERGROUND INTERMEDIATE, REFINED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1981 Swartendyk, Jan Mineral Policy Sector, Dept. of Energy Mines & Resources, Ottawa, Canada