1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Hopewell Mine

Producer in Hillsborough county in Florida, United States with commodities Aluminum, Fluorine-Fluorite, Iron, Magnesite, Phosphorus-Phosphates, Uranium
Map
XML
JSON
KML
B
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. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10118871
MAS/MILS ID 0120570010
Record type Site
Current site name Hopewell Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -82.10546, 27.9253 (WGS84)
Elevation 37
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

Nichols(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 029 S 022 E 34 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) -82.10546, 27.9253
ListMap

Economic information

Ore body information

  • Thickness 3.1M
    Depth to top 6.4M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 DISSEMINATED
    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 3
    Avg. Thick. Unconsol. Mat. 6.4
    Min. Thick. Unconsol. Mat. 3
    Date of Last Modification 850521
  • Area 908HA
    Field Value
    Total Surface Area (HA) 908
    Date of Last Modification 910418

Comments on the geologic information

  • DENSITY OF 1.426 IS FOR DRY, IN-SITU ORE; COMPANY ESTIMATES 18% MOISTURE IN MATRIX.

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Both
Significant Yes
Mining method Strip-Level
Year of first production 1985
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 Imc Fertilizer Group Inc 2100 Sanders Rd, Northbrook, Il
    ID 801004
    Interest 50
    Home office Illinois
    Year 1994
  • Type Owner
    Owner Freeport Mcmoran Inc (Parent Of Agrico Co)
    Interest 50
    Home office Louisiana
    Year 1994

Production statistics

  • Year 1985
    Description Total Ore (Matrix) Mined 1223800 Metric Tons For The Year
  • Year 1986
    Description Total Ore (Matrix) Mined 909000 Metric Tons For The Year

Comments on the production information

  • PRODUCT A IS PEBBLE AT A GRADE OF 32.72% P2O5. PRODUCT B IS PHOSPHATE CONCENTRATE AT A GRADE OF 33.82% P2O5. THE WEIGHTED AVERAGE GRADE OF BOTH PRODUCTS IS 33.30% P2O5. AN OVERALL ASSAY FOR COMBINED PEBBLE AND CONCENTRATE WAS PROVIDED BY HOPEWELL BASED ON 2 SAMPLES. IT SHOWS 33.32% P2O5, 105 PPM U3O8, 5.0% INSOL., 2.3% FE2O3, 1.1% AL2O3, 0.5% MGO, 3.7% F, 0.0001% CHLORIDE, 47.7% CAO, AND 0.5% ORGANICS. ALTHOUGH REPORTED PRODUCT TONNAGES ARE DRY EQUIVALENT, THE PEBBLE PRODUCT ACTUALLY CONTAINS 8% MOISTURE, AND THE CONCENTRATE ACTUALLY CONTAINS 12% MOISTURE.
  • THE PROPERTY WAS SHUT DOWN ON JULY 1, 1986, TEMPORARILY, BUT WILL REMAIN INACTIVE THROUGH 1987--PROBABLY AN INDEFINITE SHUTDOWN. MINE IS OPERATING AT REDUCED CAPACITY AS OF 1994

Comments on the reserve resource information

  • MINE PURCHASED BY IMC IN 1989 FROM HOPEWELL LAND PARTNERS. IMC-AGRICO COMPANY JOINT VENTURE CONSUMATED IN JAN 1994.
  • RESOURCE TONNAGE GIVEN IS IN-SITU. MINE RECOVERY IS 90%. GRADES FOR FLUORINE, URANIUM, IRON, ALUMINUM, AND MAGNESIUM WERE NOT AVAILABLE. RESOURCE IS DRY EQUIVALENT. MATRIX CONTAINS 13% PEBBLE, 35% CLAYS, AND 52% FLOTATION FEED. ESTIMATED FIGURE DURING THE 1993 ADIT UPDATE. 1994 RESERVE BASED ON A 2,270,000 MT/YR X 5 YRS LIFE (@ CONSTANT PRODUCTION RATE) / 90% MINE RECOVERY. (GIVEN BY IMC-AGRICO STAFF PERSONNEL)

Workings at the site

  • Type of workings Surface
    Area 908HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method STRIP-LEVEL
    Swell Factor .91
    Percent Waste Rock 67.9
    Avg. Overburden Thickness 6.4
    Primary Material Cover SAND, SILT
    Percentage 90
    Secondary Material Cover QUICKSAND
    Percentage 10
    Hardness of Ore SAND, SILT
    Avg. Bench Height (meters) 9.5
    Max. Pit Slope (degrees) 37
    Capacity 4937
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 47.58
    Unit Production Cost 1.71
    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 2676 HECTARES.

Comments on other economic factors

  • MINE-TO-MILL TRANSPORTATION IS A SLURRY PIPELINE. MILL-TO-PORT TRANSPORTATION - COSTS HAVE BEEN ADJUSTED TO REFLECT MOISTURE CONTENT. HOPEWELL HAS PLANS TO SHIP ITS PRODUCTS TO AN UNDISCLOSED PHOSPHATE OPERATION ABOUT 13 KM AWAY. IT IS PROBABLE THAT THE WET, HIGH-GRADE PRODUCTS WILL THEN BE DRIED OR WILL BE TRADED FOR DRY, LOWER-GRADE PRODUCTS. IN EITHER CASE, SHIPMENT WOULD THEN CONTINUE TO THE PORT OF TAMPA. TOTAL SHIPPING DISTANCE IS ESTIMATED TO BE 45 KM FROM HOPEWELL TO TAMPA. TO BE CONSERVATIVE, PRODUCTS ARE ASSUMED TO BE WET FOR THE ENTIRE DISTANCE, AND COSTS WERE ADJUSTED ON THIS BASIS.
  • HOPEWELL OFFICIALS DID NOT PROVIDE A MILL TOUR OR DETAILED INFORMATION ON THE MILL PROCESS, BUT STATED THAT IT IS A "CONVENTIONAL" PHOSPHATE MILL.
  • FEED GRADE OF MATRIX WAS CALCULATED. HOPEWELL DID NOT PROVIDE THIS INFORMATION.

Reference information

Bibliographic references

  • Deposit

    LISA CAIN, SECRETARY, HOPEWELL LAND CORP./NORANDA GROUP;

  • Deposit

    8/25/87 TELEPHONE CONVERSATION WITH LEE OSMONSON.

  • Deposit

    U.S. BUREAU OF MINES. COMPILATION OF PROPRIETARY, INDIVIDUAL

  • Deposit

    COMPANY, PRODUCTION STATISTICS (FOR THE YEARS 1985 AND

  • Deposit

    1986).

  • Deposit

    PERSONAL COMMUNICATION, LONNIE K. ENGEL, MINE SUPERINTEN-

  • Deposit

    DENT, AND DOUG BLOWS, GEN'L. SUPERINTENDENT, BY M.B.SAWYER

  • Deposit

    AND T.A. DRESCHER, IFOC, MAS, 1/23/85.

  • Deposit

    GENERAL HIGHWAY MAP, HILLSBOROUGH COUNTY, FLORIDA, DEPT.

  • Deposit

    TRANSPORTATION, 1972.

  • Deposit

    NICHOLS AND DOVER QUADRANGLES, FLORIDA, 7 1/2 MINUTE SERIES,

  • Deposit

    U.S.G.S., 1955.

  • Deposit

    WILBURN, DAVID R., HOPEWELL MINE, BUMINES CONFIDENTIAL

  • Deposit

    MINERALS AVAILABILITY SYSTEM SUMMARY FILE REPORT, JUNE

  • Deposit

    1980, 20 PP.

  • Deposit

    PERSONAL COMMUNICATION, TONY RUSSO, WORTHINGTON PUMPS, INC.,

  • Deposit

    APRIL, 1985.

  • Deposit

    PERSONAL COMMUNICATION, IRENE SINGLETERRY, HILLSBOROUGH

  • Deposit

    COUNTY TAX ASSESSOR'S OFFICE (813) 272-1600, APRIL 1985.

  • 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,

  • Deposit

    199 PP.

  • Deposit

    FANTEL, R.J., SULLIVAN, D.E., AND PETERSON, G.R., PHOSPHATE

  • Deposit

    ROCK AVAILABILITY - DOMESTIC, BUMINES I.C. 8937, 1983,

  • Deposit

    57 PP.

General comments

Subject category Comment text
Deposit LENGTH AND WIDTH ARE NOT APPLICABLE BECAUSE PROPERTY BOUNDARIES ARE THE DETERMINING FACTORS.

Reporter information

Type Date Name Affiliation Comment
Reporter 02-OCT-96 Sawyer, Michael B. U.S. Bureau of Mines
Updater 16-DEC-10 Causey, J.Douglas U.S. Geological Survey Add Model

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 07/27/2011
MSHA mine ID0801004
Mine name (MSHA)Hopewell
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.

Maps centered on this site