Lafayette Mine

Past Producer in Crittenden county in Kentucky, United States with commodities Fluorine-Fluorite, Zinc
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 10218849
MAS/MILS ID 0210550022
Record type Site
Current site name Lafayette Mine
Alternate or previous names Tabb No. 1 Shaft, Wheatcroft Shaft, Brownward Shaft

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -88.11943, 37.21757 (WGS84)
Elevation 145
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Crittenden(county)

Kentucky(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fredonia(quadrangle 1:24,000 scale)

Paducah(quadrangle 1:100,000 scale)

Paducah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Cumberland(hydrologic unit)

Lower Cumberland(hydrologic accounting unit)

Cumberland(hydrologic subregion)

Ohio(hydrologic region)

Geographic areas

Country State County
United States Kentucky Crittenden

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Zinc Critical Secondary

Materials information

Materials Type of material
Calcite Unknown
Fluorite Unknown
Galena Unknown
Sphalerite Unknown

Nearby scientific data

Main Entrance (1) -88.11943, 37.21757

Economic information

Ore body information

  • Strike N90E
    Dip 80N
    Thickness 2.4M
    Length 2500M
    Width 213M
    Area 5HA
    Depth to top 15M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 SHEAR ZONE
    Type of Orebody #3 DISSEMINATED
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control FAULTING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. NONE
    Strike And Dip N90E:80N
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 5
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 5
    Date of Last Modification 810908

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Both
Significant Yes
Discovery year 1888
Mining method Shrinkage Methods
Year of first production 1900
Milling method Flotation

Mining district

District name Illinois-Kentucky Fluorspar District

Mineral rights holdings

Type of mineral rights Private Lease

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Silverspar Minerals Inc.
    Interest 100
    Home office Canada
    Year 1994
  • Type Owner
    Owner USX Corp.
    Interest 100
    Home office New York
    Year 1994

Comments on the ownership information

  • SILVERSPAR MINERALS INC., 1409-409 GRANVILLE ST., VANCOUVER, B.C. V6C 1T8

Reserves and resources

  • Type In-situ
    Estimate year 1994
    Indicated 305000mt ore
    Demonstrated 305000mt ore
    Total resources 305000mt ore
    Commodity Subtype Grade units Group Importance Year
    Fluorine-Fluorite CaF2 32 wt-pct Fluorine Major 1994
    Zinc Zn 3 wt-pct Zinc Minor 1994

Comments on the reserve resource information

  • RECORD 040 ON ORIGINAL ENTRY THE FOLLOWING DATA WERE RECORDE DISTANCE TO LAST POINT OF COMMON CARRIER 6 KILOMETERS DISTAN TO ADEQUATE WATER SUPPLY 0 KILOMETERS DISTANCE TO POWER SUPP 6 KILOMETERS RESERVES FROM SILVERSPAR MINERALS 1993 ANNUAL REPORT. P.2 AN OPTION AGREEMENT WAS COMPLETED ON SEPTEMBER 1, 1993, WITH THE USX CORP TO OPTION 6,000 ACRES OF MINERAL AND SURFACE RIGHTS NEAR SALEM, KENTUCKY.

Workings at the site

  • Type of workings Underground
    Overall depth 152M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method SHRINKAGE METHODS
    Swell Factor .75
    Percent Recovery 90
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 3
    Length of Inclines (m) 0
    Slope of Inclines 0
    Avg. Length of Adits (m) 0
    1st Condition of Workings FLOODED
    Capacity 450
    Capacity Units MT ORE/DAY
    Unit Production Cost 19.03
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1981

Comments on the workings information

  • INVERNESS LEASES APPROXIMATELY 202 HECTARES OF MINERAL RIGHTS AND 101 HECTARES OF SURFACE RIGHTS FROM U.S. STEEL.

Reference information

Bibliographic references

  • Reserve-Resource

    SILVERSPAR MINERALS INC. 1993 ANNUAL REPORT. P. 2

  • Deposit

    CURRIER, L. W. FLUORSPAR DEPOSITS OF KENTUCKY. KENTUCKY

  • Deposit

    GEOLOGICAL SURVEY, 1923, PP. 116-125.

  • Deposit

    HOOK, J. W. STRUCTURE OF THE FAULT SYSTEMS IN THE ILLINOIS-

  • Deposit

    KENTUCKY FLUORSPAR DISTRICT. PROC. OF THE NINTH FORUM

  • Deposit

    ON GEOLOGY OF INDUSTRIAL MINERALS, KENTUCKY GEOLOGICIAL

  • Deposit

    SURVEY AND ILLINOIS GEOLOGICAL SURVEY, PADUCAH, KEN-

  • Deposit

    TUCKY, APRIL 26-28, 1973, (PUB. AS A SYMPOSIUM ON THE

  • Deposit

    GEOLOGY OF FLUORSPAR, ED. BY DONALD W. HUTCHESON),

  • Deposit

    PP. 77-86.

  • Deposit

    MONTGOMERY, G. MINING ENGINEERING ANNUAL REVIEW/'75,

  • Deposit

    FLUORSPAR. MINING ENGINEERING, V. 28, NO.3, MARCH

  • Deposit

    1976, PP. 35-36.

  • Deposit

    PINCKNEY, D. M. MINERAL RESOURCES OF THE ILLINOIS-KENTUCKY

  • Deposit

    MINING DISTRICT. U. S. GEOLOGICAL SURVEY PROFESSIONAL PAPER

  • Deposit

    970, 1976, 15 PP.

  • Deposit

    ROGERS, W. B., AND W. H. HAYS. GEOLOGIC MAP OF THE FREDONIA

  • Deposit

    QUADRANGLE, WESTERN KENTUCKY. U. S. GEOLOGICAL SURVEY

  • Deposit

    GEOLOGIC QUADRANGLE, MAP GQ-607, 1967.

  • Deposit

    TRACE, R. D. ILLINOIS-KENTUCKY FLUORSPAR DISTRICT. PROC.

  • Deposit

    OF THE NINTH FORUM ON GEOLOGY OF INDUSTRIAL MINERALS,

  • Deposit

    KENTUCKY GEOLOGICAL SURVEY AND ILLINOIS GEOLOGICAL

  • Deposit

    SURVEY, PADUCAH, KENTUCKY, APRIL 26-28, 1973, (PUB. AS

  • Deposit

    SYMPOSIUM ON THE GEOLOGY OF FLUORSPAR, ED. BY DONALD

  • Deposit

    W. HUTCHESON), PP. 58-76.

  • Deposit

    RCF LIST 10-81; REPT. NO. 1503193;

  • Deposit

    LIST OWNER AS MINERVA OIL CO.

Reporter information

Type Date Name Affiliation Comment
Reporter 02-MAR-1995 Pmt, Drs U.S. Bureau of Mines

Beyond USGS

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