Lackner Lake

Plant in Ontario, Canada with commodity Niobium (Columbium)
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. Land status
  13. Ownership information
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10206285
MAS/MILS ID 1220400115
Record type Site
Current site name Lackner Lake
Alternate or previous names Multi-Metals Prospect

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -83.11655, 47.8 (WGS84)
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada Ontario

Commodities

Commodity Importance
Niobium (Columbium) Critical Primary

Materials information

Materials Type of material
Apatite Unknown
Magnetite Unknown
Pyrochlore Unknown

Nearby scientific data

Ore Body (1) -83.11655, 47.8

Economic information

Ore body information

  • Length 450M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 PIPELIKE
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control FAULTING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 CARBONITIZATION
    Date of Last Modification 910620

Comments on the geologic information

  • THE DOMINANT FEATURES OF THE DEPOSIT ARE CIRCULAR-TRENDING AND INWARD DIPPING ZONES OF MESOCRATIC TO MELANOFOLIATED ALKALINE SILICATE ROCKS ENCLOSED IN NEPHELINE SYENITE. THE COLUMBIUM-BEARING ZONES ARE CONFINED TO THE FOLIATED ROCKS.

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant No
Discovery year 1949
Mining method Open Pit
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Mining district

District name Nemegos

Mineral rights holdings

Type of mineral rights Minerals Only

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Mertec Resources Development Ltd.
    Interest 100
    Home office Canada
    Year 1987

Reserves and resources

  • Type In-situ
    Estimate year 1971
    Indicated 37000000mt ore
    Demonstrated 37000000mt ore
    Total resources 37000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Niobium (Columbium) Cb2O5 0.198 wt-pct Niobium (Columbium) Major 1971
  • Type In-situ
    Estimate year 1971
    Indicated 5024250mt ore
    Demonstrated 5024250mt ore
    Total resources 5024250mt ore
    Commodity Subtype Grade units Group Importance Year
    Niobium (Columbium) Cb2O5 0.173 wt-pct Niobium (Columbium) Major 1971
  • Type In-situ
    Estimate year 1971
    Indicated 80000000mt ore
    Demonstrated 80000000mt ore
    Total resources 80000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Niobium (Columbium) Cb2O5 0.25 wt-pct Niobium (Columbium) Major 1971
  • Type In-situ
    Estimate year 1982
    Demonstrated 97341000mt ore
    Total resources 97341000mt ore
    Commodity Subtype Grade units Group Importance Year
    Niobium (Columbium) Cb 0.19 wt-pct Niobium (Columbium) Major 1982

Comments on the reserve resource information

  • THESE ARE THE ESTIMATED INSITU RESOURCES USED IN THE 1984 PROPERTY EVALUATION.
  • RESERVES ARE THE RECOVERABLE TONNAGE AS LISTED ON THE 10/83 ETD.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN PIT
    Primary Material Cover M-HARD ROCKS
    Percentage 100
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 10
    Max. Pit Slope (degrees) 45
    Capacity 2769
    Capacity Units MT ORE/DAY
    Operating Days per Year 260
    Operating Shifts per Day 3
    Year of Information 1982

Reference information

Bibliographic references

  • Reserve-Resource

    FERGUSON, STEWART A. "COLUMBIUM (NIOBIUM) DEPOSITS OF

  • Reserve-Resource

    ONTARIO", MINERAL RESOURCES, CIRCULAR NO. 14, 1971, P 40.

  • Deposit

    HAINRECH, E.W., "THE GEOLOGY OF CARBONATITE", RAND MCNALLY

  • Deposit

    CO., 1966.

  • Deposit

    HOLDER, R. W., "ALKALINE ROCKS AND NIOBIUM DEPOSITS NEAR

  • Deposit

    NEMGOS ONTARIO, GEOLOGICAL SURVEY OF CANADA, BULLETIN NO.

  • Deposit

    70, 1960.

  • Deposit

    PARSON, G. E., "NIOBIUM-BEARING COMPLEXES EAST OF LAKE

  • Deposit

    SUPERIOR", ONTARIO DEPARTMENT OF MINES GEOLOGICAL REPORT,

  • Deposit

    #3, 1961.

  • Deposit

    PERRAULT, GUY, AND MANKER, E., "GEOLOGY AND MINERALOGY OF A

  • Deposit

    NIOBIUM DEPOSIT".

  • Deposit

    ROWE, R.B., "NIOBIUM (COLUMBIUM) DEPOSITS OF CANADA",

  • Deposit

    GEOLOGICAL SURVEY OF CANADA, BULLETIN #18, 1958.

  • Deposit

    CANADIAN MINING HANDBOOKS, 1954 TO 1982.

  • Deposit

    ONTARIO MINISTRY OF NATURAL RESOURCES, "MINERAL DEPOSIT

  • Deposit

    RECORD", MULTI-MINERALS, 1974.

  • Deposit

    ROSKILL INFORMATION SERVICES LTD., "THE ECONOMICS OF

  • Deposit

    NIOBIUM:, 1979.

Reporter information

Type Date Name Affiliation Comment
Reporter 22-DEC-94 Miller, F. U.S. Bureau of Mines

Beyond USGS

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