Polk County Mine

Past Producer in Polk county in Florida, United States with commodities Aluminum, Fluorine-Fluorite, Iron, Magnesite, Phosphorus-Phosphates, Uranium
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 10143096
MRDS ID ISM0371
MAS/MILS ID 0121050020
Record type Site
Current site name Polk County Mine
Alternate or previous names Old Achan IMC Debris and Matrix, T/A Minerals Polk County Mine, Transammonia

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -81.9807, 27.8589 (WGS84)
Elevation 40
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

Bradley Junction(quadrangle 1:24,000 scale)

Bartow(quadrangle 1:100,000 scale)

Fort Pierce(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 030 S 023 E 23 SWSENE Florida

Comments on the location information

  • About 10 Km Southwest of Bartow, Rail Connection With Port Sutton On Tampa Bay and ABOUT 2 KM SOUTH OF MULBERRY

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 Ore
Montmorillonite Gangue
Quartz Gangue

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) -81.9807, 27.8589

Economic information

Ore body information

  • Thickness 5.4M
    Length 1370M
    Width 1370M
    Area 190HA
    Depth to top 7.3M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 MASSIVE
    Type of Orebody #3 REPLACEMENT
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control LITHOLOGY
    Secondary Ore Control BEDDING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 UNKNOWN
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 7.3
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 190
    Date of Last Modification 830413

Comments on the geologic information

  • DRY IN-SITU ORE DENSITY ASSUMING 20% MOISTURE
  • REWORKING, WEATHERING; PLEIS-HOLO; SEE: LAND PEBBLE PHOSPHATE DISTRICT

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Both
Significant Yes
Discovery year 1974
Mining method Strip-Level
Year of first production 1976
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

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Mobil Chemical Co.
    ID 800793
    Home office Virginia
    Year 1987
  • Type Owner
    Owner Charles M. Goin
    ID 800793
    Home office Florida
    Year 1987
  • Type Owner-Operator
    Owner Trans Ammonia Minerals Corp.

Production statistics

  • Year 1976
    Description Crude Ore 477000 Mt Ore/Year
  • Year 1977
    Description Crude Ore 1150000 Mt Ore/Year
  • Year 1978
    Accuracy Estimate
    Description Crude Ore (Estimate) 1590000 Mt Ore/Year

Comments on the production information

  • MILL RECOVERY INCLUDES SLURRY LOSSES; PRECISE VALUE IS 91.1
  • DEPOSIT WAS KNOWN BUT FIRST EXPLORED BY T/A IN 1974

Comments on the reserve resource information

  • EXTRACTABLE GRADES PEBBLE IS 15.5% OF ORE. GRADE LOST IN GANGUE IS 2.41% P2O5 RESERVE INCLUDES BOTH MATRIX AND DEBRIS MATERIAL MINE RECOVERY = 90%. THIS PROPERTY DATA FILE WAS REEVALUATED ON SEPT. 19, 1985. DEVELOPMENT SCHEDULE YEARS WERE DELETED BECAUSE THERE ARE NO COMPANY PLANS TO DEVELOP THIS PROPERTY AT THIS TIME. THE ZWI DATA FOR THIS PROPERTY APPEARED TO BE GOOD QUALITY.

Workings at the site

  • Type of workings Surface
    Area 190HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method STRIP-LEVEL
    Swell Factor .91
    Percent Waste Rock 57.5
    Avg. Overburden Thickness 7.3
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, SILT
    Avg. Bench Height (meters) 0
    Max. Pit Slope (degrees) 65
    Capacity 6100
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 2.17
    Units of Production $/MT ORE
    Operating Days per Year 260
    Operating Shifts per Day 3
    Year of Information 1979

Comments on the workings information

  • TOTAL LAND HOLDING IS 510 HECTARES

Comments on other economic factors

  • WET ROCK PRODUCT TRANSPORTED BY RAIL TO USS AGRI-CHEM CHEMICAL FACILITY AT BARTOW, FLA. FOR DRYING,TREATMENT.
  • SURFACE WASHING, FLOTATION ORE IS TRANSPORTED BY PIPELINE TO THE MILL

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (). DEVELOPMENT(UNKNOWN); EXPLORATION(UNKNOWN)

Reference information

Bibliographic references

  • Deposit

    Industrial Minerals, No.146, Nov. 1976, P.27 (possibly some info on p.2, but suspect this was an error in original data)

  • Ownership

    EDNA WHITAKER, DEPUTY PROPERTY APPRAISER, JAMES L. RODEN PROPERTY APPRAISER'S OFFICE (POLK COUNTY); 8/27/87 TELEPHONE CONVERSATION WITH LEE OSMONSON.

  • Deposit

    R.W.HOPPE. PHOSPHATES ARE VITAL TO AGRICULTURE AND FLORIDA MINES FOR ONE THIRD THE WORLD, IN E/MJ OPERATING HANDBOOK OF SURFACE MINING, MCGRAW-HILL, INC. NEW YORK, NY, 1976, PP. 382-392.

  • Deposit

    TEXAS INSTRUMENTS, INC. EXISTIING LAND USE MAP, VOL. IV OF CENTRAL FLORIDA PHOSPHATE INDUSTRY AREAWIDE IMPACT ASSESSMENT PROGRAM, JUNE 1977

  • Deposit

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

General comments

Subject category Comment text
Deposit The original 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 RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.).

Reporter information

Type Date Name Affiliation Comment
Reporter 05-APR-95 Wilburn, David R. 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 14-DEC-10 Causey, J. Douglas U.S. Geological Survey Combined info from MRDS record ISM0371 (Dep_ID 10024645) 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 12/31/1979
MSHA mine ID0800793
Mine name (MSHA)Polk County Mine
Current operatorT/A Minerals Corp
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.