Endako Mine

Producer in British Columbia, Canada with commodity Molybdenum
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. Mineral rights holdings
  11. Ownership information
  12. Production statistics
  13. Reserves and resources
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10205867
MAS/MILS ID 1220100012
Record type Site
Current site name Endako Mine
Alternate or previous names Endako Molybdenum Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -125.1115, 54.02981 (WGS84)
Elevation 990

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada British Columbia

Commodities

Commodity Importance
Molybdenum Primary

Materials information

Materials Type of material
Molybdenite Unknown

Nearby scientific data

Ore Body (1) -125.1115, 54.02981

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 STOCKWORK
    Shape of Orebody #1 MASSIVE
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Degree of Wallrock Alter. UNKNOWN
    Date of Last Modification 840807

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1927
Year of first production 1965
Milling method Flotation

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Federal Lease

Ownership information

  • Type Unknown
    Owner Thompson Creek Mining
    Home office Colorado
    Year 1997
    First year 1997
  • Type Unknown
    Owner Nissho Iwai
    Home office Japan
    Year 1997
    First year 1997
  • Type Owner-Operator
    Owner Placer Development Ltd.
    Interest 100
    Home office Canada
    Year 1982
    Last year 1997

Comments on the ownership information

  • PLACER DOME SOLD INTEREST IN MINE TO THOMPSON CREEK MINING & NISSHO IWAI IN MAY OF 1997.

Production statistics

  • Year 1965
    Description Molybdenum Production Started In 1965, 10000 Mtpd Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 120000mt
  • Year 1967
    Description At 10000 Mtpd, And Increased, To 25000 25000 Mtpd Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 300000mt
  • Year 1976
    Description Mtpd, In November 1967. In 1976, The 26500 Mtpd Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 318000mt
  • Year 1982
    Accuracy Estimate
    Description Mill Was Rated At 26500 Mtpd. 29500 Mtpd Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 354000mt
  • Year 1991
    Description Molybdenum Production 15500000 Pounds Of Molybdenum.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Molybdenum Molybdenum 7029.43mt
  • Year 1993
    Description Moly Production Down Due To Major Repair 13900000 Pounds Of Molybdenum.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Molybdenum Molybdenum 5719mt

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Indicated 230000000mt ore
    Demonstrated 230000000mt ore
    Total resources 230000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Molybdenum Mo 0.081 wt-pct Molybdenum Major 1981

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN PIT
    Percent Waste Rock 47.9
    Avg. Bench Height (meters) 10
    Max. Pit Slope (degrees) 45
    Capacity 26500
    Capacity Units MT ORE/DAY
    Unit Production Cost 2.33
    Units of Production $/MT ORE
    Operating Days per Year 350
    Year of Information 1982
  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Capacity 23400
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Year of Information 1976

Comments on other economic factors

  • ALL MINING AND MILLING OPERATIONS WERE SUSPENDED IN 1982, DUE TO A WEAK MARKET PRICE FOR THE METAL.
  • CAPITAL INVESTMENT, MADE IN 1964, IS NOW CONSIDERED TO BE FULLY DEPRECIATED. MINE AND MILL INVESTMENT COSTS ARE FOR EQUIPMENT REPLACEMENT ONLY.
  • CAPITAL INVESTMENT WAS MADE IN 1964, HENCE CONSIDERED TO BE FULLY DEPRECIATED. INVESTMENT IS FOR REPLACEMENT COST.

Reference information

Bibliographic references

  • Production

    METAL BULLETIN, P. 11 (FEB. 25, 1993).

  • Production

    WRIGHT, J.D., MILLING PRACTICE AT ENDAKO MINES LIMITED;

  • Production

    CIM BULL., JAN., 1969, P.46-52.

  • Production

    MACINTYRE, P.J., J.F. DAVEY AND J.D. WRIGHT, CANEX PLACER

  • Production

    LIMITED- ENDAKO MINES DIVISION; IN MILLING PRACTICE IN

  • Production

    CANADA, CIM SPECIAL VOLUME 16, 1978, P.317,318.

  • Geology

    AKIMURA, E.T., G.D. BYSOUTH AND A.D. DRUMMOND, ENDAKO;

  • Geology

    A. SUTHERLAND BROWN, ED., IN PORPYRY DEPOSITS OF THE

  • Geology

    CANADIAN CORDILLERA, SPECIAL VOLUME NO. 15, 1976,

  • Geology

    P.444-454.

  • Geology

    KIMURA, E.T. AND A.D. DRUMMOND, GEOLOGY OF THE ENDAKO

  • Geology

    MOLYBDENUM DEPOSIT; CIM BULL., JULY, 1969, P.699-708.

  • Ownership

    THE NORTHERN MINER, VOL., 83, #11, MAY 12, 1997, P3.

  • Reserve-Resource

    PLACER DEVELOPMENT LIMITED 1981 ANNUAL REPORT.

  • Deposit

    WESTERN MINER, ENDAKO MINES; JULY, 1974, P.23,24.

  • Deposit

    PLACER DEVELOPMENT STAFF, ENDAKO: CANADA'S LARGEST

  • Deposit

    MOLYBDENUM PRODUCER; CANADIAN MINING JOURNAL, AUG., 1976,

  • Deposit

    P.14,17.

  • Deposit

    WESTERN MINER, ENDAKO; AUG., 1976, P.29-34.

  • Deposit

    CANEX PLACER LTD. STAFF, EXDAKO MINES DIVISION; IN MINERAL

  • Deposit

    INDUSTRIES IN WESTERN CANADA, THE TENTH COMMONWEALTH

  • Deposit

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

  • Deposit

    SECTION VI, ARTICLE P, P.1-23.

  • Deposit

    DRUMMOND, A.D. AND E. T. KIMURA, HYDROTHERMAN ALTERATION AT

  • Deposit

    ENDAKO- A COMPARISON TO EXPERIMENTAL STUDIES; CIM BULL.,

  • Deposit

    JULY, 1969, P.709-714.

Reporter information

Type Date Name Affiliation Comment
Reporter 20-MAY-97 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

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