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Northeast Florida Phosphate Deposit

Prospect in St. Johns 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. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Mineral rights holdings
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10119408
MAS/MILS ID 0121090001
Record type Deposit
Current site name Northeast Florida Phosphate Deposit

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -81.45594, 30.06334 (WGS84)
Elevation 13
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

St. Johns(county)

Florida(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Durbin(quadrangle 1:24,000 scale)

Jacksonville(quadrangle 1:100,000 scale)

Jacksonville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower St. Johns(hydrologic unit)

St. Johns(hydrologic accounting unit)

St. Johns(hydrologic subregion)

South Atlantic-Gulf(hydrologic region)

Geographic areas

Country State County
United States Florida St. Johns
United States Florida Duval
United States Florida Flagler
United States Florida Nassau
United States Florida Clay
United States Florida Putnam

Public Land Survey System information

Meridian Township Range Section Fraction State
Tallahassee 005 S 028 E 14 C SWSE Florida

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
Dolomite Gangue
Montmorillonite Gangue
Quartz Gangue

Mineral occurrence model information

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

Nearby scientific data

Ore Body (1) Beach ridge and dune
ListMap

Economic information

Ore body information

  • Thickness 16.7M
    Length 8294M
    Width 8294M
    Area 6908HA
    Depth to top 38.1M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 IRREGULAR
    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. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Minimum Depth to Top 30.5
    Avg. Thick. Unconsol. Mat. 38.1
    Min. Thick. Unconsol. Mat. 30.5
    Total Surface Area (HA) 6908
    Date of Last Modification 820616

Comments on the geologic information

  • DENSITY IS FOR DRY, IN-SITU ORE; ASSUME 20% MOISTURE

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Both
Significant Yes
Discovery year 1965
Mining method Strip-Level
Milling method Flotation

Mining district

District name North Florida

Mineral rights holdings

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

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Agrico Chemical Co.
    Interest 50
    Home office Florida
    Year 1978
  • Type Owner
    Owner Mobil (Container Corp.)
    Interest 50
    Home office Florida
    Year 1978

Comments on the reserve resource information

  • QA=EXT QUANTITY ASSAYS ARE IN EXTRACTABLE GRADES PEBBLE IS 0% OF PRODUCT GRADES OTHER THAN P2O5 NOT DETERMINED BY ZWI
  • DEPOSIT HAS BEEN TESTED USING A BOREHOLE MINING TECHNIQUE.

Comments on the workings information

  • TOTAL LAND HOLDING IS 9091 HECTARES.

Reference information

Bibliographic references

  • Deposit

    RAND-MCNALLY & COMPANY, FLORIDA STATE AND COUNTY OUTLINE MAP THE AREA IDENTIFIED.

  • Deposit

    LAND-USE LAND COVER MAP, JACKSONVILLE 1972, U.S. GEOLOGICAL OPEN FILE 76-031-1.

  • Deposit

    GENERAL HIGHWAY MAP, ST. JOHNS COUNTY, FLORIDA, DEPARTMENT OF TRANSPORTATION 1962.

  • Deposit

    DURBIN, ORANGEDALE, QUADRANGLES, FLORIDA 7 1/2 MINUTE SERIES GEOLOGICAL SURVEY 1962-(70PR), 1952-(70PR).

  • Deposit

    Zellars-Williams, Inc., Evaluation of the phosphate deposits of Florida using the Minerals Availability System, U.S. Bureau of Mines Open File Report 112-78, NTIS: PB 286-648/AS, 1978, 199 p.

General comments

Subject category Comment text
Deposit CONTRACT #J0377000.ZELLARS-WILLIAMS INC. FLA. PHOSPHATE PROJ EFFECTIVE DATE JUNE 30, 1977. DIMENSIONS ARE IDEALIZED FOR MINABLE AREA.

Reporter information

Type Date Name Affiliation Comment
Reporter 05-OCT-92 Hrabik, J. U.S. Bureau of Mines
Reporter 30-DEC-10 Causey, J. Douglas U.S. Geological Survey

Beyond USGS

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

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