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Hardrock Deposit

Prospect in Citrus 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. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10240314
MAS/MILS ID 0120170001
Record type Site
Current site name Hardrock Deposit

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -82.31676, 29.00837 (WGS84)
Elevation 28

Site location context

Political divisions (FIPS codes)

Marion(county)

Florida(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dunnellon SE(quadrangle 1:24,000 scale)

Ocala(quadrangle 1:100,000 scale)

Gainesville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Withlacoochee(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 Citrus

Public Land Survey System information

Meridian Township Range Section Fraction State
Tallahassee 017 S 019 E 18 C C C 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) -82.31676, 29.00837
ListMap

Economic information

Ore body information

  • Thickness 9M
    Length 5127M
    Width 5127M
    Area 630HA
    Depth to top 11M
    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 5
    Avg. Thick. Unconsol. Mat. 11
    Min. Thick. Unconsol. Mat. 5
    Total Surface Area (HA) 630
    Date of Last Modification 800317

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 1880
Mining method Strip-Level
Milling method Washing

Mining district

District name North Florida

Land status

Ownership category Private

Comments on the production information

  • MILL RECOVERY INCLUDES SLURRY LOSSES

Comments on the reserve resource information

  • QA = EXT QUANTITY ASSAYS ARE IN EXTRACTABLE GRADES PEBBLE IS 100% OF PRODUCT MINING RECOVERY IS 85% GRADES OTHER THAN P2O5 NOT DETERMINED BY ZWI M9C4 = M1C1 THIS PROPERTY DATA FILE WAS REEVALUATED ON SEPT. 16, 1985. ANY RESERVE/RESOURCE DATA APPEARING IN Q-MATRIX 7 REPRESENTS THE MOST RECENT ESTIMATES AND WOULD REPLACE TONNAGES/GRADES FOUND IN OTHER Q DATA SETS. ATTEMPTS WERE MADE TO CONTACT EACH PROPERTY OWNER BY PHONE AND LETTER FOR CURRENT INFORMATION. NO OWNERS FOR THIS PROPERTY ARE KNOWN. DEVELOPMENT SCHEDULE YEARS WERE DELETED BECAUSE THERE ARE NO COMPANY PLANS TO DEVELOP THIS PROPERTY AT THIS TIME. IT MAY NEVER BE DEVELOPED. THE PRODUCT IS PEBBLE ONLY FROM A HARDROCK PHOSPHATE DIST. THE RESOURCE AND ITS PROBABILITY IN M1 & M2 SEEM TO BE FAR OVER-STATED AND CANNOT BE SUBSTANTIATED WITH FACTUAL DATA IN AN AREA WHERE NO INTEREST IN PHOSPHATE MINING CURRENTLY EXISTS. THE BOM DATA FOR THIS PROPERTY CONTAINED TOO MANY ASSUMPTIONS AND IS MOSTLY CONSIDERED AS INACCURATE AND THE RESOURCES OVER-STATED. 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 630HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method STRIP-LEVEL
    Percent Waste Rock 56.8
    Avg. Overburden Thickness 11
    Primary Material Cover SAND, SILT
    Percentage 10
    Secondary Material Cover QUICKSAND
    Percentage 90
    Hardness of Ore SAND, SILT
    Avg. Bench Height (meters) 0
    Capacity 6200
    Capacity Units MT ORE/DAY
    Unit Production Cost 2.24
    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 2628 HECTARES

Reference information

Bibliographic references

  • Deposit

    OLSEN, HARD ROCK PHOSPHATE RESERVE ACQUIRED BY THE TVA, 1978

  • Deposit

    PAPER FOR ZELLARS-WILLIAMS INC.

  • Deposit

    KIBLER, B. BENEFICIATION OF HARD ROCK PHOSPHATE ORES.

  • Deposit

    OCALA STAR-BANNER, APRIL 1, 1971 "ALL TVA LAND IS SOLD IN MA

  • Deposit

    AND CITURS.

  • Deposit

    LAND USE AND LAND COVER MAP, 1972 GAINESVILLE, PLANT CITY, U

  • Deposit

    GEOLOGICAL SURVEY, OPEN FILE 76-004-1 AND 76-010-1.

  • Deposit

    GENERAL HIGHWAY MAP, MARION COUNTY, CITRUS COUNTY, FLORIDA D

  • Deposit

    MENT OF TRANSPORTATION, 1967-1969.

  • Deposit

    DUNNELLON, HOLDER, STOKES FERRY, FLORIDA, QUADRANGLES, 7 1/2

  • Deposit

    SERIES, U.S. GEOLOGICAL SURVEY, 1954.

  • Deposit

    RAND MCNALLY & COMPANY, FLORIDA STATE AND COUNTY OUTLINE MAP

  • Deposit

    THE AREA IDENTIFIED.

  • Deposit

    ZELLARS-WILLIAMS INC.,EVALUATION OF THE PHOSPHATE DEPOSITS

  • Deposit

    OF FLORIDA USING THE MINERALS AVAILABILITY SYSTEM, BUMINES

  • Deposit

    OPEN FILE REPORT 112-78, NTIS: PB 286 648/AS, 1978, 199 PP.

General comments

Subject category Comment text
Deposit CONTRACT #J037700.ZELLARS-WILLIAMMS INC. FLA. PHOSPHATE PROJ EFFECTIVE DATE JUNE 30, 1977. DIMENSIONS ARE IDEALIZED FOR MINABLE AREA

Reporter information

Type Date Name Affiliation Comment
Reporter 06-MAR-95 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site