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Hillsborough Co.- Farmland/Brewster

Prospect in Hillsborough 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. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10288783
MAS/MILS ID 0120570007
Record type Site
Current site name Hillsborough Co.- Farmland/Brewster

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -82.15816, 27.80031 (WGS84)
Elevation 30
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Hillsborough(county)

Florida(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lithia(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 Hillsborough

Public Land Survey System information

Meridian Township Range Section Fraction State
Tallahassee 031 S 021 E 12 S2NWNE 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 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

Nearby scientific data

Ore Body (1) -82.15816, 27.80031
ListMap

Economic information

Ore body information

  • Thickness 3.1M
    Length 3355M
    Width 3355M
    Area 1125HA
    Depth to top 5.6M
    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 2.8
    Avg. Thick. Unconsol. Mat. 5.6
    Min. Thick. Unconsol. Mat. 2.8
    Total Surface Area (HA) 1125
    Date of Last Modification 800515

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 1950
Mining method Strip-Level
Milling method Flotation

Mining district

District name Central Florida Phosphate District

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Dr. Clayton Pruitt
    Home office Florida
    Year 1978
  • Type Owner
    Owner F. C. Thompson, And W. And L. Jameson
    Home office Florida
    Year 1978
  • Type Owner
    Owner Simms, V. R.
    Home office Florida
    Year 1978

Comments on the ownership information

  • PREVIOUS OWNERS: DR. CLAYTON PRUITT, MESSRS. F.C. THOMPSON, W. AND L. JAMESON, AND V.R. SIMMS.

Comments on the production information

  • MILL RECOVERY INCLUDES SLURRY LOSSES.

Comments on the reserve resource information

  • PEBBLE IS 40% OF PRODUCT. GRADES OTHER THAN P2O5 NOT DETERMINED BY ZWI MINING RECOVERY = 85% THERE ARE NO COMPANY PLANS TO DEVELOP THIS PROPERTY AT THIS TIME. THE ZWI DATA FOR THIS PROPERTY CONTAINED TOO MANY ASSUMPTIONS AND IS MOSTLY CONSIDERED AS INACCURATE, BUT WAS USED SINCE IT WAS THE ONLY DATA AVAILABLE. HOWEVER, THE DATA IN THIS FILE CANNOT BE SUBSTANTIATED. ALL THE ADDITIONAL INFORMATION PRESENTED IN THIS DATA BASE MAY NOT BE CORRECT BUT REPRESENTS THE LATEST INFORMATION AVAILABLE, OR ZWI-EFOC INFORMATION WHICH REMAINS IN THE DATA BASE ONLY FOR HISTORICAL PERSPECTIVE.

Workings at the site

  • Type of workings Surface
    Area 1125HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method STRIP-LEVEL
    Swell Factor .91
    Percent Waste Rock 64.5
    Avg. Overburden Thickness 5.6
    Primary Material Cover SAND, SILT
    Percentage 10
    Secondary Material Cover QUICKSAND
    Percentage 90
    Hardness of Ore QUICKSAND
    Avg. Bench Height (meters) 0
    Max. Pit Slope (degrees) 60
    Capacity 8840
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 1.73
    Units of Production $/MT ORE
    Operating Days per Year 365
    Operating Shifts per Day 3
    Year of Information 1980

Comments on the workings information

  • TOTAL LAND HOLDING IS 4052 HECTARES.

Reference information

Bibliographic references

  • 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

    GENERAL HIGHWAY MAP, HILLSBOROUGH COUNTY, FLORIDA, DEPARTMEN

  • Deposit

    TRANSPORTATION, 1972.

  • Deposit

    COST ESTIMATION FROM COMPUTER COST MODEL BY ZELLARS-WILLIAMS

  • Deposit

    LITHIA AND KEYSVILLE QUADRANGLES, FLORIDA, 7 1/2 MINUTE SERI

  • Deposit

    U.S.G.S. 1955.

  • Deposit

    ATLAS AND PLAT BOOK MAP, HILLSBOROUGH COUNTY, FLORIDA, ROCKF

  • Deposit

    MAP PUBLISHERS INC. 1976.

  • 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.

Reporter information

Type Date Name Affiliation Comment
Reporter 06-MAR-95 Buckingham, David A. U.S. Bureau of Mines
Updater 16-DEC-10 Causey, J. Douglas U.S. Geological Survey Added Model

Beyond USGS

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

Maps centered on this site