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Brenda

Past Producer in British Columbia, Canada with commodities Copper, Gold, Molybdenum, 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. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10181791
MAS/MILS ID 1220100005
Record type Site
Current site name Brenda
Alternate or previous names Brenda Mine, Copper King

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -120.0012, 49.88314 (WGS84)
Elevation 1600
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hope(quadrangle 1:250,000 scale)

Geographic areas

Country State
Canada British Columbia

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Molybdenum Primary
Silver Secondary

Materials information

Materials Type of material
Biotite Unknown
Bornite Unknown
Calcite Unknown
Chalcopyrite Unknown
Epidote Unknown
Feldspar Unknown
Gold Unknown
Magnetite Unknown
Molybdenite Unknown
Pyrite Unknown
Quartz Unknown
Silver Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -120.0012, 49.88314
ListMap

Economic information

Ore body information

  • Thickness 274M
    Length 854M
    Width 396M
    Area 809HA
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 SHEAR ZONE
    Type of Orebody #3 STOCKWORK
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 POTASSIC
    Type of Wallrock Alter. #2 PROPYLITIC
    Type of Wallrock Alter. #3 ADV ARGILLIC
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 809
    Date of Last Modification 810318

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1947
Mining method Open Pit
Year of first production 1970
Milling method Flotation

Mining district

District name Osoyoos

Mineral rights holdings

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

Ownership information

  • Type Owner-Operator
    Owner Brenda Mines, Ltd.
    Interest 31
    Home office Canada
    Year 1990
  • Type Owner
    Owner Noranda, Inc.
    Interest 69
    Home office Canada
    Year 1990

Comments on the ownership information

  • OWNERSHIP OF THE BRENDA PROPERTY INDICATES THREE STOCK- HOLDERS; OTHER MINOR STOCKHOLDERS WERE NOT DETERMINED DUE TO TIME CONSTRAINTS OF THE PROJECT.

Production statistics

  • Year 1970
    Description 0.14% Cu, 0.033% Mo 6646900 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct
  • Year 1971
    Description 0.14% Cu, 0.033% Mo 8152800 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct
  • Year 1972
    Description 0.14% Cu, 0.033% Mo 8620899 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct
  • Year 1973
    Description 0.14% Cu, 0.033% Mo 8044899 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct
  • Year 1974
    Description 0.14% Cu, 0.033% Mo 8663599 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct
  • Year 1975
    Description 0.14% Cu, 0.033% Mo 9116299 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct
  • Year 1976
    Description 0.14% Cu, 0.033% Mo 10047000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct
  • Year 1977
    Description 0.14% Cu, 0.033% Mo 9634300 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct
  • Year 1978
    Description 0.14% Cu, 0.033% Mo 9995299 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct
  • Year 1979
    Description 0.14% Cu, 0.033% Mo 9075399 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct
  • Year 1980
    Description 0.14% Cu, 0.033% Mo 9126000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 0wt-pct
    Major Ore Molybdenum Molybdenum 0wt-pct
  • Year 1981
    Description 0.14% Cu, 0.033% Mo 10199000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 0wt-pct
    Major Ore Molybdenum Molybdenum 0wt-pct
  • Year 1982
    Description 0.14% Cu, 0.032% Mo 9485000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct
  • Year 1983
    Description 0.14% Cu, 0.032% Mo 8185000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct
  • Year 1984
    Description 0.151% Cu, 0.039% Mo 6109000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct
  • Year 1985
    Description 0.177% Cu, 0.047% Mo 3006000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 0wt-pct
    Major Ore Molybdenum Molybdenum 0wt-pct
  • Year 1986
    Description 0.184% Cu, 0.048% Mo 10185000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Molybdenum Molybdenum 0wt-pct
    Major Ore Copper Copper 0wt-pct

Comments on the production information

  • ACTUAL GOLD RECOVERY IN THE COPPER CONCENTRATE (PRODUCT A) AMOUNTS TO 64.5 PERCENT, RATHER THAN THE VALUE GIVEN OF 64 PERCENT. SPACE LIMITATIONS DICTATE ENTRY OF THE CORRECT VALUE INTO THE DATA BASE.
  • "OTHER" FOR RECORD NUMBERS 17 AND 21 REFER TO PILOT PLANT ACTIVITIES OPERATED IN DIRECT CONJUNCTION WITH EXPLORTION ACTIVITIES.

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Indicated 138680000mt ore
    Demonstrated 138680000mt ore
    Total resources 138680000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.145 wt-pct Copper Major 1980
    Molybdenum Mo 0.0319 wt-pct Molybdenum Major 1980
    Gold Au 0.014 g/mt Gold Minor 1980
    Silver Ag 0.69 g/mt Silver Minor 1980
  • Type In-situ
    Estimate year 1985
    Indicated 92000000mt ore
    Demonstrated 92000000mt ore
    Total resources 92000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.1479 wt-pct Copper Major 1985
    Molybdenum Mo 0.0319 wt-pct Molybdenum Major 1985
    Gold Au 0.0239 g/mt Gold Minor 1985
    Silver Ag 1.3999 g/mt Silver Minor 1985
  • Type In-situ
    Estimate year 1985
    Indicated 30000000mt ore
    Demonstrated 30000000mt ore
    Total resources 30000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.177 wt-pct Copper Major 1985
    Molybdenum Mo 0.034 wt-pct Molybdenum Major 1985
  • Type In-situ
    Estimate year 1985
    Indicated 62000000mt ore
    Demonstrated 62000000mt ore
    Total resources 62000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.13 wt-pct Copper Major 1985
    Molybdenum Mo 0.03 wt-pct Molybdenum Major 1985
  • Type In-situ
    Estimate year 1989
    Indicated 7300000mt ore
    Demonstrated 7300000mt ore
    Total resources 7300000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.17 wt-pct Copper Major 1989
    Molybdenum Mo 0.034 wt-pct Molybdenum Major 1989
  • Type In-situ
    Estimate year 1989
    Indicated 7300000mt ore
    Demonstrated 7300000mt ore
    Total resources 7300000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.17 wt-pct Copper Major 1989
    Molybdenum Mo 0.034 wt-pct Molybdenum Major 1989

Comments on the reserve resource information

  • M1 = PUBLISHED BRENDA OREBODY RESERVES= R1.
  • WHOLLY OWNED SUB. IS BRENDA MINES LTD. RESOURCE BASED ON REMAINING RESERVES AS OF 12/31/89 MINUS ONE- HALF YEAR PRODUCTION IN 1990 PLUS LOW GRADE MATERIAL REMOVED FROM RESERVE CATAGORY IN 1985 DUE TO MARKET CONDITIONS.

Workings at the site

  • Type of workings Surface
    Area 268HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method BENCH (BERM)
    Primary Material Cover M-HARD ROCKS
    Percentage 100
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 15
    Max. Pit Slope (degrees) 45
    Capacity 30140
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 2808.9
    Units of Production $/MT ORE
    Operating Days per Year 360
    Operating Shifts per Day 3
    Year of Information 1986

Reference information

Bibliographic references

  • Production

    WESTERN MINER, COMPUTER CONTROL OF GRINDING CIRCUITS

  • Production

    IMPROVES OUTPUT AT BRENDA MINES. V. 49, NO. 9, SEPTEM-

  • Production

    BER 1976, P. 14.

  • Geology

    SOREGAROLI, A.E. AND D.F. WHITFORD, BRENDA; A. SUTHERLAND

  • Geology

    BROWN, ED., PORPHYRY DEPOSITS OF THE CANADIAN CORDILLERA,

  • Geology

    CIM SPECIAL VOLUME NO. 15, 1976, P.186-194.

  • Reserve-Resource

    CANADIAN MINES HANDBOOK, 1980-81, PP. 44-45.

  • Reserve-Resource

    CANADIAN MINES HANDBOOK 1986-87, NORTHERN MINER PRESS, P.69.

  • Reserve-Resource

    MINE RESERVES AND CURRENTLY PROMISING DEPOSITS, JAN., 1985,

  • Reserve-Resource

    EMR CANADA, MR 209, P. 21.

  • Reserve-Resource

    NORANDA INC., 1989 ANNUAL REPORT, P. 23.

  • Workings

    ENGINEERING AND MINING JOURNAL, BRENDA PLANTS A NEW BENCH-

  • Workings

    MARK IN LOW-GRADE BULK OPEN PITTING; SEPT., 1969, P.280.

  • Deposit

    BRADBURN, R.G. BRENDA MINES CONCENTRATOR. MILLING PRACTICE

  • Deposit

    IN CANADA, CIM SPECIAL VOLUME 16, 1978, PP. 88-91.

  • Deposit

    CANADIAN MINES HANDBOOK 1978-79. P. 46.

  • Deposit

    CRANSTONE, D.A. AND R.T. WHILLANS. CANADIAN RESERVES OF

  • Deposit

    COPPER, NICKEL, LEAD, ZINC, MOLYBDENUM, SILVER AND GOLD

  • Deposit

    AS OF JAN. 1, 1978. P. 15.

  • Deposit

    FINANCIAL POST SURVEY OF MINES 1978. P. 104.

  • Deposit

    MINING MAGAZINE. BRENDA MINE. JUNE 1972, PP. 416-423.

  • Deposit

    SCHABAS, WILLIAM. MILL COMPUTER, ANALYZER BOOST BRENDA

  • Deposit

    PRODUCTIVITY. CANADIAN MINING JOURNAL, JUNE 1978, P. 52

  • Deposit

    WORLD MINING. BRENDA STRIPPING ON SCHEDULE AT BRITISH

  • Deposit

    COLUMBIA.... JULY 1969, P. 23.

  • Deposit

    WESTERN MINER, BRENDA MINES SEEKS CONTROLLED EFFICIENCY;

  • Deposit

    V. 52, NO. 5, MAY 1979. PP. 33-30.

  • Deposit

    LANG, A.H., HISTORICAL SIDELIGHTS OF BRENDA MINE AND REGION,

  • Deposit

    PART I; CANADIAN MINING JOURNAL, MARCH, 1970, P.41-43.

  • Deposit

    PART II(A); CANADIAN MINING JOURNAL, MAY, 1970, P.45-48.

  • Deposit

    PART II(B); CANADIAN MINING JOURNAL, JULY, 1970, P.54-58.

  • Deposit

    CARR, J.M., THE GEOLOGY OF THE BRENDA LAKE AREA, BRITISH

  • Deposit

    COLUMBIA DEPT. OF MINES & PET. RES., G.E.M., 1967,

  • Deposit

    P.183-210.

  • Deposit

    BRADBURN, R., ET. AL. COMPUTER APPLICATION AT BRENDA MINES

  • Deposit

    MILL. CANADIAN MINING JOURNAL, MARCH 1978, PP.32, 35.

  • Deposit

    BRITISH COLUMBIA AND YUKON CHAMBER OF MINES. MINING EXPLOR-

  • Deposit

    ATION AND DEVELOPMENT REVIEW, 1978-79, P. 5.

  • Deposit

    BRITISH COLUIMBIA DEPARTMENT OF MINES AND PETROLEUM RESOUR-

  • Deposit

    CES. GEOLOGY, EXPLORATION AND MINING IN BRITISH COLUM-

  • Deposit

    BIA, 1970, P. 391.

  • Deposit

    BRITISH COLUMBIA DEPARTMENT OF MINES AND PETROLEUM RESOUR-

  • Deposit

    CES. GEOLOGY EXPLORATION AND MINING IN BRITISH COLUM-

  • Deposit

    BIA, 1971, PP. 13, 28.

  • Deposit

    BRITISH COLUMBIA MINISTRY OF MINES AND PETROLEUM RESOURCES.

  • Deposit

    EXPLORATION IN BRITISH COLUIMBIA, 1975, P. E78.

  • Deposit

    CES. LODE METALS IN BRITISH COLUMBIA, 1965, PP. 164-

  • Deposit

    165.

  • Deposit

    CES. LODE METALS IN BRITISH COLUMBIA, 1968, P. 215.

  • Deposit

    CANADIAN MINES HANDBOOK. 1979-80, P. 45.

  • Deposit

    CANADIAN MINES HANDBOOK. 1980-81. PP.44-45.

  • Deposit

    CANADIAN MINING JOURNAL. MILL COMPUTER, ANALYZER BOOST

  • Deposit

    BRENDA PRODUCTIVITY. V. 99, NO. 6, 1978, PP. 54-57.

  • Deposit

    CANADIAN MINING JOURNAL. REFERENCE MANUAL AND BUYERS'

  • Deposit

    GUIDE, 1979, PP. 33-39.

  • Deposit

    DEPARTMENT OF ENERGY, MINES AND RESOURCES. MINERALS RESOUR-

  • Deposit

    CES BRANCH. CANADIAN MINERALS YEARBOOK, 1971, P. 129.

  • Deposit

    ENERGY, MINES AND RESOUCES CANADA. COPPER. MR 149, JULY

  • Deposit

    1976, PP. 8, 13.

  • Deposit

    FARLEY, A. L. ATLAS OF BRITISH COLUMBIA. THE UNIVERSITY OF

  • Deposit

    BRITISH COLUMBIA, 1979, PP. 72-76.

  • Deposit

    FINANCIAL POST SURVEY OF MINES. 1979, P. 26.

  • Deposit

    FOUNTAIN, D. K. THE APPLICATION OF THE INDUCED POLARIZATION

  • Deposit

    METHOD AT BRENDA MINES, BRITISH COLUMBIA. C.I.M. BULLE-

  • Deposit

    TIN, FEBRUARY 1968, PP. 153-157.

  • Deposit

    MCMYNN, ET. AL. REPORT OF THE BRITISH COLUMBIA COPPER TASK

  • Deposit

    FORCE. 1975, PP. 61, 65.

  • Deposit

    SOREGAROLI, A. E. GEOLOGY OF THE BRENDA COPPER-MOLYBDENUM

  • Deposit

    DEPOSIT IN BRITISH COLUMBIA. C.I.M. BULLETIN, V. 67,

  • Deposit

    NO. 750, OCTOBER 1974, PP. 76-83.

  • Deposit

    TETU, H. AND PELLS, F. DESIGN, CONSTRUCTION AND INITIAL

  • Deposit

    OPERATION OF THE TAILINGS SYSTEM AT BRENDA MINES LTD.

  • Deposit

    C.I.M. BULLETIN, AUGUST 1971, PP. 101-107.

  • Deposit

    ENGINEERING AND MINING JOURNAL. INTERNATIONAL DIRECTORY OF

  • Deposit

    OF MINING AND MINERAL PROCESSING OPERATIONS. 1980, PP.

  • Deposit

    37, 232.

  • Deposit

    BRENDA MINES LTD. STAFF, BRENDA MINES LTD. IN MINERAL

  • Deposit

    INDUSTRIES IN WESTERN CANADA, THE TENTH COMMONWEALTH

  • Deposit

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

  • Deposit

    SECTION VI, ARTICLE H, P.1-17.

  • Deposit

    NORANDA MINERALS INC., 1989 ANNUAL REPORT, P. 9.

  • Deposit

    NORANDA MINERALS INC., 1990 ANNUAL REPORT.

General comments

Subject category Comment text
Deposit THIS PROPERTY EVALUATION WAS DONE DURING 1981 BY INTERMOUNTAIN FIELD OPERATIONS CENTER, DENVER, COLORADO, USING DATA COMPILED BY GOLDER ASSOCIATES, INC., 1658 COLE BOULEVARD, SUITE 180, GOLDEN, COLORADO 80401, UNDER CONTRACT J0295059 WITH THE BUREAU OF MINES.

Reporter information

Type Date Name Affiliation Comment
Reporter 09-SEP-1994 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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