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Flambeau/Ladysmith Mine

Plant in Rusk county in Wisconsin, United States with commodities Copper, Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10302641
MRDS ID W060000
MAS/MILS ID 0551070001
Record type Site
Current site name Flambeau/Ladysmith Mine
Alternate or previous names Flambeau Mine, Ladysmith Deposit
Related records 10082575

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -91.12154, 45.4436 (WGS84)
Elevation 338
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Rusk(county)

Wisconsin(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ladysmith(quadrangle 1:24,000 scale)

Bloomer(quadrangle 1:100,000 scale)

Rice Lake(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Flambeau(hydrologic unit)

Chippewa(hydrologic accounting unit)

Chippewa(hydrologic subregion)

Upper Mississippi(hydrologic region)

Geographic areas

Country State County
United States Wisconsin Rusk

Public Land Survey System information

Meridian Township Range Section Fraction State
4th Principal 034 N 006 W 09 NWSESE Wisconsin

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Bornite Unknown
Chalcocite Unknown
Chalcopyrite Unknown
Gold Unknown
Pyrite Unknown
Silver Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -91.12154, 45.4436
ListMap

Economic information

Ore body information

  • Strike N45E
    Dip 70N
    Thickness 244M
    Length 732M
    Width 34M
    Area 73.3HA
    Depth to top 11M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 MASSIVE
    Type of Orebody #3 OTHER
    Shape of Orebody #3 OTHER
    Primary mode of Origin MAGMATIC DIFFER
    Secondary mode of Origin OXIDATION
    Primary Ore Control IGNEOUS
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 PROPYLITIC
    Strike And Dip N45E:70N
    Avg. Thick. Unconsol. Mat. 11
    Total Surface Area (HA) 73.3
    Reclaimed Surface Area (HA) 73.3
    Date of Last Modification 920427

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Deposit size Small
Significant Yes
Discovery year 1968
Mining method Open Pit
Year of first production 1992
Plant type Beneficiation (Mill)
Milling method Flotation

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Rtz-Cra Corp.
    Interest 100
    Home office United Kingdom
    Year 1996
    First year 1994
  • Type Owner-Operator
    Owner Kennecott Corp. (Sub Of Rtz)
    Home office Utah
    Year 1996
    First year 1994
  • Type Operator
    Owner Flambeau Mining Corp. (Subsidiary Of Kennecott Corp.)
    ID 4701792
    Home office Wisconsin
    Year 1996
    First year 1976

Production statistics

  • Year 1993
    Description 24100 Mt Cu; 2740 Kg Au Contained In Ore 200000 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 2740000g
    Major Ore Copper Copper 24100mt
  • Year 1994
    Description 45000 Mt Cu; 1866 Kg Au Contained In Ore 400000 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 1866000g
    Major Ore Copper Copper 45000mt
  • Year 1995
    Description Ore Mined(8.38%Cu; 3.87g/Mtau; 55g/Mtag) 402000 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 4g/mt
    Minor Ore Silver Silver 55g/mt
    Major Ore Copper Copper 8wt-pct
  • Year 1995
    Description Copper Production 39300 Mt/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 39300mt
  • Year 1995
    Description Silver Production 1059000 Tr Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 32938586.37g
  • Year 1995
    Description Gold Production 70000 Tr Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 2177243.67g
  • Year 1996
    Description Copper Production 41500 Mt/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 41500mt
  • Year 1996
    Description Silver Production 1118000 Tr Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 34773691.75g
  • Year 1996
    Description Gold Production 61000 Tr Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 1897312.34g
  • Year 1996
    Description Ore Mined(7.57%Cu; 4.15g/Mtau; 44g/Mtag) 468000 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 4g/mt
    Minor Ore Silver Silver 44g/mt
    Major Ore Copper Copper 8wt-pct

Comments on the production information

  • MOST OF THE ORE WILL PROBABLY BE CUSTOM MILLED AT THE COPPER RANGE WHITE PINE FACILITY IN MICHIGAN. IN THE PRODUCT SET, THE ORE FEED, CONCENTRATE OUTPUT, COSTS, AND OPERATING DAYS REFER ONLY TO THE PROCESSING OF THE FLAMBEAU ORE. A SMELTER IS LOCATED AT THE WHITE PINE FACILITY AND SOME ESTIMATED COSTS FROM THE EIS ARE IN APPENDIX B-5.
  • MINE CLOSED IN 1997 FOR ECONOMIC REASONS

Reserves and resources

  • Type In-situ
    Estimate year 1994
    Measured 1400000mt ore
    Demonstrated 1400000mt ore
    Total resources 1400000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 61 g/mt Silver Minor 1994
    Copper Cu 9.29 wt-pct Copper Major 1994
    Gold Au 1.4 g/mt Gold Major 1994
  • Type In-situ
    Estimate year 1995
    Demonstrated 1000000mt ore
    Total resources 1000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 65.7 g/mt Silver Minor 1995
    Copper Cu 8.71 wt-pct Copper Major 1995
    Gold Au 3.94 g/mt Gold Major 1995
  • Type In-situ
    Estimate year 1996
    Demonstrated 640000mt ore
    Total resources 640000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 55 g/mt Silver Minor 1996
    Copper Cu 8.38 wt-pct Copper Major 1996
    Gold Au 3.87 g/mt Gold Major 1996
  • Type In-situ
    Estimate year 1997
    Demonstrated 210000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 44 g/mt Silver Minor 1997
    Copper Cu 7.57 wt-pct Copper Major 1997
    Gold Au 4.15 g/mt Gold Major 1997

Comments on the reserve resource information

  • M9C4=M1C1. M9C5 = M2C1. RESERVES IM MATRIX 1 ARE FROM THE FLAMBEAU PROJECT FINAL EIS MARCH 1990. RESERVES IN MATRIX 2 ARE FROM THE ORIGINAL PEFR, 1977. THESE RESERVES ARE NOT PLANNED FOR DEVELOPMENT, BUT POSSIBLY COULD BE DEVELOPED AT A FUTURE DATE BY UNDERGROUND MINING METHODS.

Workings at the site

  • Type of workings Surface
    Area 13HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Swell Factor .74
    Percent Waste Rock 80.2
    Avg. Overburden Thickness 11
    Primary Material Cover SAND, GRAVEL
    Secondary Material Cover M-HARD ROCKS
    Hardness of Ore HARD ROCKS
    Avg. Bench Height (meters) 3.1
    Capacity 1161
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 705
    Unit Production Cost 15.26
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 1
    Year of Information 1992

Reference information

Bibliographic references

  • Production

    THE RTZ-CRA FACT BOOK, 1997, P33.

  • Production

    RTZ-CRA 1996 ANNUAL REPORT, PP. 17-18.

  • Reserve-Resource

    WISCONSIN DEPT OF NATURAL RESOURCES. FINAL ENVIRONMENTAL

  • Reserve-Resource

    IMPACT STATEMENT, FLAMBEAU MINING CO. - COPPER MINE

  • Reserve-Resource

    LADYSMITH, WISCONSIN, MARCH 1990.

  • Reserve-Resource

    RTZ CORP SEC FORM 20-F, DEC 31, 1993, P. 12-13.

  • Reserve-Resource

    RTZ CORPORATION PLC 1994 ANNUAL REPORT ON FORM 20-F, P.13.

  • Reserve-Resource

    THE RTZ CORPORATION PLC CRA LIMITED, 1995 ANNUAL REPORT ON

  • Reserve-Resource

    FORM 20-F, PP. 16, 17, 26

  • Reserve-Resource

    THE RTZ-CRA 1996 ANNUAL REPORT, P17.

  • Reserve-Resource

    THE RTZ-CRA FACT BOOK, 1997, P21.

  • Deposit

    PAY DIRT, #696. JUNE 1997, P24.

  • Deposit

    SKILLINGS MINING REVIEW, "FLAMBEAU MINING CO. COMPLETES

  • Deposit

    FOUR YEARS OF PRODUCTION AT LADYSMITH COPPER/GOLD MINE",

  • Deposit

    SEPT. 6, 1997, V. 86, # 36, PP. 4-6.

Reporter information

Type Date Name Affiliation Comment
Reporter 06-OCT-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.

Current status (per MSHA)

StatusAbandoned since 01/01/1979
MSHA mine ID4701792
Mine name (MSHA)Flambeau Mine
Current operatorFlambeau Mining Corp
Current controller (parent)British Petroleum Company PLC
Mine typeSurface (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

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