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Kingsford Mine

Past Producer in Polk county in Florida, United States with commodities Aluminum, Fluorine-Fluorite, Iron, Magnesite, Phosphorus-Phosphates, Uranium
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Mineral rights holdings
  15. Land status
  16. Ownership information
  17. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10241204
MRDS ID ISM0365
MAS/MILS ID 0121050009
Record type Site
Current site name Kingsford Mine
Alternate or previous names Kingsford Mine (IMC-Agrico)\n

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -82.031, 27.8161 (WGS84)
Elevation 50
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Polk(county)

Florida(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Keysville(quadrangle 1:24,000 scale)

Saint Petersburg(quadrangle 1:100,000 scale)

Saint Petersburg(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alafia(hydrologic unit)

Tampa Bay(hydrologic accounting unit)

Peace-Tampa Bay(hydrologic subregion)

South Atlantic-Gulf(hydrologic region)

Geographic areas

Country State County
United States Florida Polk

Public Land Survey System information

Meridian Township Range Section Fraction State
Tallahassee 031 S 023 E 08 S2NW Florida

Comments on the location information

  • About 17 Km Se of Bartow Off State Hwy 37

Commodities

Commodity Importance
Aluminum Critical Tertiary
Fluorine-Fluorite Critical Tertiary
Iron Tertiary
Magnesite Tertiary
Phosphorus-Phosphates Primary
Uranium Tertiary

Materials information

Materials Type of material
Collophane Unknown
Dolomite Unknown
Montmorillonite Unknown
Quartz Unknown

Mineral occurrence model information

Model code 244
USGS model code 34d
Deposit model name Phosphate, warm current type

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Clay, Mud
  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

Ore Body (1) -82.031, 27.8161
ListMap

Economic information

Ore body information

  • Thickness 4.9M
    Area 6322HA
    Depth to top 9.2M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 MASSIVE
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control LITHOLOGY
    Secondary Ore Control BEDDING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Avg. Thick. Unconsol. Mat. 9.2
    Total Surface Area (HA) 6322
    Date of Last Modification 850508

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Both
Significant Yes
Discovery year 1920
Mining method Strip-Level
Year of first production 1948
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Mining district

District name Central Florida Phosphate District
District name Land Pebble Phosphate District

Mineral rights holdings

Type of mineral rights Fee Ownership
Type of mineral rights Private Lease

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner IMC-Agrico Comany
    Interest 100
    Home office Florida
    Year 1997
  • Type Owner
    Owner IMC Fertilizer Group Inc.
    ID 800177
    Interest 50
    Home office Illinois
    Year 1994
  • Type Owner
    Owner Freeport-Mcmoran Inc. (Parent Of Agrico Co.)
    ID 800768
    Interest 50
    Home office Louisiana
    Year 1994

Production statistics

  • Year 1970
    Description Total Ore (Matrix) Mined 9794900 Metric Tons For The Year
  • Year 1971
    Description Total Ore (Matrix) Mined 9665200 Metric Tons For The Year
  • Year 1972
    Description Total Ore (Matrix) Mined [Not Available] Metric Tons For The Year
  • Year 1973
    Description Total Ore (Matrix) Mined 10660100 Metric Tons For The Year
  • Year 1974
    Description Total Ore (Matrix) Mined 12150300 Metric Tons For The Year
  • Year 1975
    Description Total Ore (Matrix) Mined 13611800 Metric Tons For The Year
  • Year 1976
    Description Total Ore (Matrix) Mined 15286600 Metric Tons For The Year
  • Year 1977
    Description Total Ore (Matrix) Mined 14262100 Metric Tons For The Year
  • Year 1978
    Description Total Ore (Matrix) Mined 15805000 Metric Tons For The Year
  • Year 1979
    Description Total Ore (Matrix) Mined 15371100 Metric Tons For The Year
  • Year 1980
    Description Total Ore (Matrix) Mined 13717300 Metric Tons For The Year
  • Year 1981
    Description Total Ore (Matrix) Mined 12642300 Metric Tons For The Year
  • Year 1982
    Description Total Ore (Matrix) Mined 8390900 Metric Tons For The Year
  • Year 1983
    Description Total Ore (Matrix) Mined 9850300 Metric Tons For The Year
  • Year 1984
    Description Total Ore (Matrix) Mined 14477600 Metric Tons For The Year
  • Year 1985
    Description Total Ore (Matrix) Mined 13265100 Metric Tons For The Year
  • Year 1986
    Description Total Ore (Matrix) Mined 10603700 Metric Tons For The Year

Comments on the production information

  • DIFFERENCE IN OUTPUT FIGURE FROM CALCULATED NUMBER IS DUE TO NUMERICAL ROUNDING.
  • PERCENT RECOVERY FOR P2O5 IN RECORD A IS ACTUALLY 65.4.

Comments on the reserve resource information

  • PUBLISHED RESERVES FOR THE KINGSFORD MINE ARE NOT AVAILABLE. ESTIMATED QUANTITY IS 234,513,230 METRIC TONS OF ORE. PEBBLE = 13% OF ORE. MINE RECOVERY = 85%. CURRENT ASSAY GRADES FOR F, U3O8, FE2O3, AL2O3, AND MGO; ASSAY GRADES SHOWN ARE THOSE THAT WERE DETERMINED FOR THE SEPTEMBER 1979 EVALUATION OF THIS PROPERTY. RESERVES ARE A PUBLISHED FIGURE INPUT DURING RESERVES BASED ON 1992 MINING PLAN OF ACERAGE MINED AND FACTOR OF 48,400 SH TONS (43,900 MTS)/ ACRE FOR 1994 ESTIMATE.
  • ADIT UPDATE 1993: PROPERTY IS OPERATING IN 1994. 1994 CAPACITY BASED ON 1992 MINING PLAN OF 300 ACRES MINED/YR

Workings at the site

  • Type of workings Surface
    Area 6322HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method STRIP-LEVEL
    Swell Factor .91
    Percent Waste Rock 69.9
    Avg. Overburden Thickness 9.2
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, SILT
    Avg. Bench Height (meters) 0
    Max. Pit Slope (degrees) 45
    Capacity 39009
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 1.09
    Units of Production $/MT ORE
    Operating Days per Year 365
    Operating Shifts per Day 3
    Year of Information 1985

Comments on the workings information

  • TOTAL LAND HOLDING IS 6589 HECTARES.

Reference information

Bibliographic references

  • Deposit

    U.S. BUREAU OF MINES. COMPILATION OF PROPRIETARY, INDIVIDUAL COMPANY, PRODUCTION STATISTICS (FOR THE YEARS 1984 THROUGH 1986).

  • Deposit

    CENTRAL FLORIDA PHOSPHATE INDUSTRY AREA-WIDE IMPACT ASSESSMENT PROGRAM, EXISTING LAND USE, VOL. IV, PREPARED FOR U.S.E.P.A. BY TEXAS INSTRUMENTS INCORPORATED, JUNE 1977.

  • Deposit

    IMC CORP., ANNUAL REPT. TO STOCKHOLDERS, 1977. PP. 1-14.

  • Deposit

    ZELLARS-WILLIAMS, INC., EVALUATION OF THE PHOSPHATE DEPOSITS OF FLORIDA USING THE MINERALS AVAILABILITY SYSTEM, BUMINES OPEN FILE REPORT 112-78, NTIS: PB 286-648/AS, 1978, 199 PP.

  • Deposit

    ATLAS AND PLAT BOOK, POLK COUNTY, FLORIDA. ROCKFORD MAP PUBLISHERS, INC., ROCKFORD, ILLINOIS, 1977.

  • Deposit

    GENERAL HIGHWAY MAP, POLK AND HILLSBOROUGH COUNTIES, FLORIDA. DEPARTMENT OF TRANSPORTATION, 1971, 1972.

  • Deposit

    CROSS, W.C. FLORIDA PHOSPHATE MINING METHODS. MINING CONGRESS JOURNAL, OCTOBER 1967, PP. 26-31.

  • Deposit

    FULLER, R.B. THE HISTORY AND DEVELOPMENT OF PHOSPHATE ROCK MINING. MINING ENGINEERING, AUGUST 1951, PP. 708-712.

  • Deposit

    HOPPE, R.W. PHOSPHATES ARE VITAL TO AGRICULTURE--AND FLORIDA MINES FOR ONE-THIRD THE WORLD. E/MJ, MAY 1976, PP. 79-89 p.

  • Deposit

    INTERNATIONAL MINERALS & CHEMICAL CORPORATION, AGRICULTURAL CHEMICALS DIV., BARTOW, FLORIDA. APPLICATION FOR DEVELOPMENT APPROVAL FOR KINGSFORD MINE, HILLSBOROUGH TRACT. DEVELOPMENT OF REGIONAL IMPACT (DRI), MARCH 1974, PP. 127-133 AND 191-224.

  • Deposit

    INTERNATIONAL MINERALS & CHEMICAL CORPORATION, FLORIDA FERTILIZER GROUP, BARTOW, FLORIDA. INTRODUCTION TO FLORIDA MINERALS OPERATIONS (COMPANY INFO. PAMPHLET). JANUARY 1, 1985, 32 P.

  • Deposit

    _____. PERSONAL COMMUNICATION WITH COMPANY REPRESENTATIVES DURING TRIP TO FLORIDA IN JANUARY 1985.

  • Deposit

    U.S. BUREAU OF MINES. COMPILATION OF PROPRIETARY, INDIVIDUALCOMPANY, PRODUCTION STATISTICS (FOR THE YEARS 1970 THROUGH 1983).

  • Deposit

    U.S. GEOLOGICAL SURVEY. BRADLEY JUNCTION AND KEYSVILLE QUADRANGLES (TOPOGRAPHIC MAPS), FLORIDA. 7.5 MINUTE SERIES, 1972 PHOTOREV., SCALE 1:24,000.

  • Deposit

    1984 E&MJ INTERNATIONAL DIRECTORY OF MINING. INTERNATIONAL MINERALS & CHEMICAL CORPORATION (SECTION 2A--UNITED STATES MINE/PLANT UNITS, FLORIDA). P. 175.

  • Deposit

    SKILLINGS' MINING REVIEW. I.M.C. TO BUILD NEW PHOSPHATE PLANT. AUG. 7, 1965, P. 5.

  • Deposit

    British Sulphur Corp. Ltd., 1980: World Survey Of Phosphate Deposits, 4th Ed., London

  • Deposit

    E&MJ, International Directory Of Mining, 1979, 1981

General comments

Subject category Comment text
General The MRDS Record Was Compiled For the International Strategic Minerals Inventory. The Data Were Used In Preparation of the USGS Circular 930 Series of Reports. Mineral Resource Categories and Codes Herein Are From the International Classification System Recomm

Reporter information

Type Date Name Affiliation Comment
Reporter 22-OCT-97 Buckingham, David A. U.S. Bureau of Mines
Editor 04-NOV-02 Nicholson, S.W. U.S. Geological Survey Reformated date column; calculated latitude and longitude in decimal degrees; added Location Precision, Continent, Country, State, Commodity Code, Ore Minerals Code fields; changed Major Commodity field
Reporter 31-DEC-87 Saam, Henning, G. Bundesanstalt Fuer Geowissenschaften und Rohstoffee (Germany)
Updater 15-DEC-10 Causey, J. Douglas U.S. Geological Survey Combined info from MRDS record ISM0365 (Dep_ID 10106776) and deleted that record.

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 10/03/2006
MSHA mine ID0800768
Mine name (MSHA)FORT GREEN
Current operatorMosaic Phosphates Company
Current controller (parent)Mosaic Company
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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