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Tasu

Past Producer in Canada with commodities Copper, Gold, Iron, 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. Ore body information
  8. Economic information about the deposit and operations
  9. Mining district
  10. Mineral rights holdings
  11. Land status
  12. Ownership information
  13. Reserves and resources
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10255257
MAS/MILS ID 1220130001
Record type Site
Current site name Tasu
Alternate or previous names Tasu Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -132.04608, 52.76081 (WGS84)

Site location context

Political divisions (FIPS codes)

Canada(country)

North America(continent)

Land(continent)

Geographic areas

Country
Canada

Commodities

Commodity Importance
Copper Secondary
Gold Secondary
Iron Primary
Silver Secondary

Nearby scientific data

Ore Body (1) -132.04608, 52.76081
ListMap

Economic information

Ore body information

  • Thickness 75M
    Length 1200M
    Width 400M
    Depth to top 100M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 LENTICULAR
    Type of Orebody #3 BRECCIA FILL
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control FAULTING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 CARBONATE SILIC
    Type of Wallrock Alter. #2 PROPYLITIC
    Type of Wallrock Alter. #3 BLEACHING
    Strike And Dip N45W:
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 1
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 791102

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1908
Year of first production 1967

Mining district

District name Skeena

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim

Land status

Ownership category Unknown

Ownership information

  • Type Operator
    Owner Wesfrob Mines Ltd.
    Home office Canada
    Year 1975
  • Type Owner
    Owner Falconbridge Nickel Mines, Ltd.
    Interest 100
    Home office Canada
    Year 1975

Reserves and resources

  • Type In-situ
    Estimate year 1976
    Measured 6524000mt ore
    Demonstrated 6524000mt ore
    Total resources 6524000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 47.2 wt-pct Iron Major 1976
    Copper Cu 0.3099 wt-pct Copper Minor 1976
  • Type In-situ
    Estimate year 1965
    Measured 10580000mt ore
    Demonstrated 10580000mt ore
    Total resources 10580000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe2O3 40 wt-pct Iron Major 1965
  • Type In-situ
    Estimate year 1965
    Measured 7590000mt ore
    Demonstrated 7590000mt ore
    Total resources 7590000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe2O3 38 wt-pct Iron Major 1965
    Copper Cu 0.1399 wt-pct Copper Minor 1965
  • Type In-situ
    Estimate year 1965
    Measured 6800000mt ore
    Demonstrated 6800000mt ore
    Total resources 6800000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe2O3 48 wt-pct Iron Major 1965
    Copper Cu 0.66 wt-pct Copper Minor 1965
  • Type In-situ
    Estimate year 1965
    Indicated 14190000mt ore
    Demonstrated 14190000mt ore
    Total resources 14190000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe2O3 45 wt-pct Iron Major 1965
    Copper Cu 0.2 wt-pct Copper Minor 1965

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method BENCH (BERM)
    Percent Waste Rock 52
    Avg. Bench Height (meters) 10
    Max. Pit Slope (degrees) 53
    Capacity 6350
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 4000
    Units of Production $/MT ORE
    Year of Information 1975

Reference information

Bibliographic references

  • Production

    SCHEVING, D.W., C.L. STAFFORD AND M.E. LANE, WESFROB MINES

  • Production

    LIMITED; D.E. PICKETT, ED., IN MILLING PRACTICE IN

  • Production

    CANADA, CIM SPECIAL VOLUME 16, 1978, P.287-291.

  • Production

    BLOWER, KENNETH, THE TASU CONCENTRATOR; CIM BULL, MARCH,

  • Production

    1968, P.346-352.

  • Reserve-Resource

    MR 223, 1989, B.C.-280.

  • Workings

    DODGE, J.E., THE TASU MINE OPERATION; CIM BULL., MARCH, 1968

  • Workings

    P.343-345.

  • Workings

    WESTERN MINER, WHEEL LOADERS AND TRUCKS TRAM UNDERGROUND

  • Workings

    MINE ORE; JAN., 1976, P.18.

  • Deposit

    1975,B.C. REPT. OF MINISTER OF MINES AND PET RES,1966,PP

  • Deposit

    B.C. REPT. OF MINISTER OF MINES AND PET RES,1967,PP

  • Deposit

    B.C. REPT. OF MINISTER OF MINES AND PET RES,1968,PP A50,A54,

  • Deposit

    B.C. DEPT OF MINES AND PET. RES.,G.E.M.,1969,PP 73,428

  • Deposit

    B.C. DEPT OF MINES AND PET. RES.,G.E.M.,1970,PP 101,481

  • Deposit

    B.C. DEPT OF MINES AND PET. RES.,G.E.M.,1971,PP 28,110

  • Deposit

    B.C. MINISTER OF MINES AND PET. RES.,ANNUAL REPT.,1972,PP A5

  • Deposit

    B.C. DEPT OF MINES AND PET. RES.,G.E.M.,1973,PP 25,482-4

  • Deposit

    B.C. DEPT OF MINES AND PET. RES.,BULL. 54,PP183-189

  • Deposit

    CANADIAN MINES HANDBOOK,1972-73, PP125,339

  • Deposit

    CANADIAN MINES HANDBOOK,1973-74, PP126,350,377

  • Deposit

    CANADIAN MINING JOURNAL,FEB,1974,PP87

  • Deposit

    REF-WESTERN MINER, OCT., 1965,

  • Deposit

    WESFROB MINING LTD. STAFF, THE WESFROB MINE; IN MINERAL

  • Deposit

    INDUSTRIES IN WESTERN CANADA, THE TENTH COMMONWEALTH

  • Deposit

    MINING AND METALLURGICAL CONGRESS- SEPT. 2-28, 1974,

  • Deposit

    SECTION VI, ARTICLE S, P.1-20.

  • Deposit

    WADE, E.J., THE TASU MINE-A BRIEF HISTORY AND GENERAL

  • Deposit

    DESCRIPTION; CIM BULL., MARCH, 1968, P.339-342.

  • Deposit

    GODFREY, F.A., H.M. THURGOOD AND F.W. GILBERT, ANCILLARY

  • Deposit

    SERVICES AND FACILITIES AT TASU; CIM BULL, MARCH, 1968,

  • Deposit

    P.353-364.

General comments

Subject category Comment text
Deposit 75-RCD-080-COPPER MINERALIZATION IS CONFINED TO NO. 3 ZONE 75-RCD-101-RESERVES TAKEN FROM MID-67 PREPRODUCTION 75-RCD-151-CONC.SHIPPED TO MITSUBISHI SHOJI KAISHA, JAPAN,10 75-RCD-061-TWO LIMESTONE MEMBERS OF THE KUNGA FORMATION ARE INVOLVED IN THE ORE ZONES.

Reporter information

Type Date Name Affiliation Comment
Reporter 15-JUL-1991 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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