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United States
Wingate Creek Mine (Florida phosphates Operation)

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 Location:
9.5 km S from Duette, Florida, United States

  Address:
1295 Duette Rd
Duette
Florida, United States
34219-7921
Phone  ...  Subscription required
WebsiteWeb
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  • Geology
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  • Reserves
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Phosphate rock
Mining Method
  • Dredging
Production Start...
Mine Life2035
Florida phosphates are included three phosphate production stage mining facilities (South Fort Meade, Four Corners and Wingate) and three exploration properties (DeSoto, Pioneer and South Pasture) in Florida consisting of over 210,000 acres of property in Central Florida.


Owners

Source: p. 53
CompanyInterestOwnership
The Mosaic Company 100 % Indirect
The mining facilities and exploration properties are owned by or have controlling interest granted to Mosaic Fertilizer LLC, South Ft. Meade Land Management or South Ft. Meade Land Partnership, L.P. (“SFMLP”), each a subsidiary of Mosaic.

Contractors

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Deposit Type

  • Sedimentary


Summary:

The entirety of Mosaic’s mineral reserves and resources exist within sedimentary deposits. Economic phosphorite exists in a matrix of gravels, sands, silts and clays that are readily extractible. These economic deposits overlay a carbonate platform where phosphorite is absent. The bedrock and economic matrix are overlain by sands, clays and silts that are easily removed. Limitations of extraction arc the case of excavation, the capacity of the matrix to slurry, the grade of the phosphorite, gangue minerals, the depth of the matrix, and the overburden to be removed. Deposition of phosphorite occurred in the Miocene and Pliocene epochs. The depositional environment was shallow marine with sea levels of 300 ft. (100 m) or less. Cold phosphate rich waters were upwelled and mixed with warm surface waters creating vigorous biologic activity. Biological remains settled on the sea floor in regional anoxic zones. Phosphate subsequently substituted into calcium carbonate in the form of the mineral francolite. Accessory- mineralization does occur, but it is of little economic consequence. The deposit underwent transport and rework through marine winnowing. Post-depositional rework is extensive and site factors such as hydrology and groundwater geochemistry influence grade and gangue mineralization. Gangue minerals are generally limestone, dolomitic limestone, iron concretions of varying sizes and competent clays that resist disaggregation by washing. Limestone, dolomite and iron concr ........


Mining Methods

  • Dredging


Summary:

Wingate is a phosphates production stage mining facility. Phosphate is extracted using surface mining techniques. Mining utilizes dredges to remove overburden and mine the phosphate ore (matrix). The matrix is hydraulically transported to the beneficiation plants via a series of centrifugal pumping systems.

Wingate has utilized two electric dredges, one to remove overburden and the other to mine phosphate matrix. Both dredges are equipped with cutter heads and slurry pumping systems to liberate and transport material. Spuds are used to position the dredges and allow a point by which to pivot. Cables extending from the dredges to anchors on the port and starboard sides enable swinging across the cut. Upon each pass, the dredges advance further into the cut. Periodically, the dredges will retreat and perform a "clean up" pass for additional overburden or matrix recovery.

Cut widths are dependent upon dredge geometry and overburden thickness. The water level of the dredge pond is nominally 15 ft.(4.6 m) below the ground surface. The overburden dredge utilizes a centrifugal pumping system with 26 inch (66 cm) steel pipe to transport and discharge spoil into previously mined areas of the pond. As the cutter head feeds the suction underwater, the solids arc diluted with an abundance of surrounding water. Slurry is transported at flows in excess of 20,000 US gpm. On occasion, dense, consolidated sand known as hardpan is encountered. As this material is tough to ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityUnits202120202019201820172016
Phosphate rock kt  ......  Subscription required  ......  Subscription required  ......  Subscription required1,6001,4001,300
All production numbers are expressed as concentrate.
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Operational Metrics:

Metrics202120202019201820172016
Ore tonnes mined  ......  Subscription required5,480,600 bcy6,287,600 bcy6,032,300 bcy
Annual production capacity  ......  Subscription required1.5 Mt of phosphate rock concentrate1.5 Mt of phosphate rock concentrate1.5 Mt of phosphate rock concentrate1.5 Mt of phosphate rock concentrate1.5 Mt of phosphate rock concentrate
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Reserves at December 31, 2022:
Cut-off based on productivity factors per site have been applied to estimate mineral reserves.
Recoverable finished product tons vs. Matrix volume mined - 9.4% P2O5.
Recoverable finished product tons vs. Total volume mined - 2.2% P2O5.

CategoryTonnage CommodityGrade
Proven 11 Mt P2O5 28.3 %
Probable 8 Mt P2O5 27.8 %
Proven & Probable 20 Mt P2O5 28.1 %


Pipelines and Water Supply
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Heavy Mobile Equipment as of December 31, 2022:
HME TypeSizeQuantity
Dredge (suction) 26 inch ....................... Subscription required
Dredge (suction) 20 inch ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 3, 2023
....................... Subscription required ....................... Subscription required Subscription required May 3, 2023
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2022
Subscription required 2021
Subscription required 2020
Subscription required 2019
Subscription required 2018
Subscription required 2017
Subscription required 2016

Corporate Filings & Presentations:

DocumentYear
Fact Sheet 2022
Form 10-K 2022
Other 2022
Technical Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Form 10-K 2018
Corporate Presentation 2017
Form 10-K 2017
Form 10-K 2016
Project Description 2016
Form 10-K 2015
Subscription required - Subscription is required.

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