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Lower Liard Crossing Fluorite - Witherite Deposit

Occurrence in British Columbia, Canada with commodities Fluorine-Fluorite, Barium-Barite, Calcium, Quartz, Iron
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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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10069444
MRDS ID W006979
Record type Site
Current site name Lower Liard Crossing Fluorite - Witherite Deposit

Geographic coordinates

Geographic coordinates: -126.11845, 59.43322 (WGS84)
Elevation 700
Relative position 1.5 KM NORTH OF MILE 497, ALASKA HIGHWAY

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
Fluorine-Fluorite Critical Tertiary
Barium-Barite Critical Tertiary
Calcium Tertiary
Quartz Tertiary
Iron Tertiary

Materials information

Materials Type of material
Barite Gangue
Calcite Gangue

Analytical data

Result FLUORITE AND WITHERITE OCCUR IN APPROXIMATELY EQUAL QUANTITIES BUT PROPORTIONS VARY GREATLY FROM PLACE TO PLACE. LOCALITY #1: FLUORITE - 2.0%, WITHERITE - 74.6%, BARITE - 7.9%, SILICA 10.6%, FERRIC OXIDE - 0.56%. LOCALITY #3: FLUORITE - 64.6%, WITHERITE - 15.2%. LOCALITY #4: FLUORITE - 39.6%, WITHERITE 38.2%, BARITE - 8.6%, CALCITE - 6.0%, SILICA - 6.0%, FERRIC OXIDE 0.5%

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Argillite;Limestone
    Rock description Argillite;Limestone

Nearby scientific data

(1) -126.11845, 59.43322
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Northerly Trending Anticline Adjacent To The Area Of Mineralization

Ore body information

  • General form TABULAR
    Thickness 6M
    Length 2100M
    Width 750M

Controls for ore emplacement

  • Disconformity Between Argillite And Limestone

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Large
Significant No
Discovery year 1953
Discoverer Conwest Exploration Co. Ltd.
Year of first production 1969

Mining district

District name Liard Mining Division

Ownership information

  • Type Owner
    Owner Conwest Exploration Co. Ltd.

Reference information

Bibliographic references

  • Deposit

    WOODCOCK, J.R., AND SMITHERINGALE, W.V., 1957, FLUORITE - WITHERITE DEPOSIT AT LOWER LIARD CROSSING, BRITISH COLUMBIA, IN THE GEOLOGY OF CANADIAN INDUSTRIAL MINERAL DEPOSITS: CAN. INST. MINING AND METALLURGY, 6TH COMMONWEALTH MINING AND METALLURGICAL CONGRESS, P. 244- 247.

  • Deposit

    WILLIAMS, M.Y., 1944, GEOLOGICAL SURVEY OF CANADA PAPER 44-28.

  • Deposit

    1944 GEOLMAP GEOL. SURV., CANADA, WILLIAMS, M.Y.

  • Deposit

    1953 GEOCHEM INDUSTRIAL MINERALS DIV., DEPT. MINES & TECH. SURV.

  • Reserve-Resource

    WOODCOCK, J.R. AND SMITHERINGALE, W.V., 1957, FLUORITE - WITHERITE DEPOSIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1975 Schruben, Paul G. U.S. Geological Survey

Beyond USGS

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

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