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Canada
Esterhazy (K3) Mine

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 Location:
5 km E from Esterhazy, Saskatchewan, Canada

  Address:
SK-80, Yarbo
Esterhazy
Saskatchewan, Canada
S0A 0X0
Phone  ...  Subscription required
Fax(306)-745-2100
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Potash
Mining Method
  • Continuous
  • Room-and-pillar
Production Start...
Mine Life2054
Esterhazy is home to The Mosaic Company's flagship potash site, and mines one of the best ore deposits in the world. Two sites, K1 and K2 have supplied potash to global customers for decades, and the new K3 mine was completed 2021. The Esterhazy Facility consists of an underground mine and two processing plants.


Owners

Source: p. 72
CompanyInterestOwnership
The Mosaic Company 100 % Indirect
Mosaic Potash Esterhazy Limited Partnership (operator) 100 % Direct

Contractors

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Deposit Type

  • Evaporite


Summary:

The intracratonic Elk Point Basin is a major sedimentary geological feature in western Canada and the northwest U.S. It contains one of the world’s largest stratabound potash resources. The nature of this type of deposition is largely continuous with predictable depths and thickness. It is mined at several locations, including the Esterhazy Facility.

Potash at the Esterhazy Facility area occurs conformably within Middle Devonian-age sedimentary rocks and is found in total thicknesses ranging from approximately 100 to 131 feet (30 to 40 m) at a depth of approximately 5,345 to 5,740 feet (1,630 to 1,750 m).

The Prairie Evaporite Formation, host to the potash mineralization, is divided into a basal “lower salt” and an overlying unnamed unit containing three potash-bearing units and one unit containing thin marker beds. In ascending order, the potash horizons in the upper unit are the Esterhazy Member, White Bear Marker Beds, Belle Plaine Member, and Patience Lake Member. Mineralogically, these members consist of sylvite and halite, with minor amounts of carnallite (KCl, MgCl 6H O).

In the Esterhazy area, the Esterhazy, White Bear and Belle Plaine Members are present, and the Patience Lake Member is absent. The following is a summary of the key stratigraphic units for the Esterhazy Potash Facility area:
• Belle Plaine Member: The Belle Plaine Member underlies Second Red Bed and makes up part of the salt back that is critical to isolating the ........


Mining Methods

  • Continuous
  • Room-and-pillar


Summary:

At the Esterhazy Facility, potash is extracted by underground mining using the room-and-pillar method. Current mine design allows for the planned extraction of 27.6% of the in-situ ore. Pillars are left in place between mining rooms to support overlying strata and prevent failure of the upper rock formations or an inflow of brine from any water-bearing zones above.

The LOM plan for the Esterhazy Facility includes the K3 mineral reserves. The K4 mineral resources are currently scheduled after depletion of the K3 mineral resources. Production is based on an average production rate of 17.527 million tonnes per year based on 365 production days per year.

Mosaic expect the K3 mineral reserves production to ramp up to full production by 2024. Expect the mine to ramp down starting in 2051, with mining anticipated to be completed in 2054.

Current schedule to begin mining the K4 mineral resources is in 2050. Mosaic expect the mine to ramp up to full production in 2055 and ending in 2090.

The K3 mine is accessed with separate shafts and provides orc to the existing processing plants at KI and K2 via overland conveyor. Production at the K3 mine began in 2018. The KI and K2 mines ceased production in June 2021.

K4, an area consisting of mineral resources has been scheduled in the 2021 LOM plan after mining depletion of the K3 mineral reserves. The mineral resources arc tentatively scheduled to start production in 2050 and expected to ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityUnits2022202120202019201820172016
Potash Mt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required4.64.34.2
All production numbers are expressed as crystals.
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Operational Metrics:

Metrics202220212020201920182017
Annual production capacity  ......  Subscription required  ......  Subscription required6 Mt of potash crystals6 Mt of potash crystals5.3 Mt of potash crystals5.3 Mt of potash crystals
Ore tonnes mined  ......  Subscription required  ......  Subscription required14.5 Mt11.9 Mt13.9 Mt13.1 Mt
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Reserves at December 31, 2022:
No cut-off grade or value based on commodity price is used to estimate mineral resources as the mining method used at Esterhazy is not grade selective.

CategoryTonnage CommodityGrade
Proven 110 Mt K2O 23.3 %
Probable 433 Mt K2O 20.9 %
Proven & Probable 543 Mt K2O 21.3 %
Measured 255 Mt K2O 23.3 %
Indicated 2,092 Mt K2O 22.8 %
Measured & Indicated 2,347 Mt K2O 22.9 %

Financials:

Units2020201920182017
Capital expenditures M USD  ......  Subscription required  ......  Subscription required 338   287  


Pipelines and Water Supply
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Heavy Mobile Equipment as of December 31, 2021:
HME TypeModelSizeQuantity
Bolter ....................... Subscription required
Continuous Miner ....................... Subscription required
Crane 25 t ....................... Subscription required
Crane 20 t ....................... Subscription required
Crane 15 t ....................... Subscription required
Crane 10 t ....................... Subscription required
Crane 6 t ....................... Subscription required
Excavator ....................... Subscription required ....................... Subscription required
Forklift ....................... Subscription required
Personnel Carrier ....................... Subscription required
Scissor Lift ....................... Subscription required
Scoop Tram 2.5 cu. yd ....................... Subscription required
Scoop Tram 6 cu. yd ....................... Subscription required
Scoop Tram 3 cu. yd ....................... Subscription required
Scoop Tram 4 cu. yd ....................... Subscription required
Telescopic Handler ....................... Subscription required
Truck ....................... Subscription required
Truck (fuel / lube) ....................... Subscription required
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 1, 2023
....................... Subscription required ....................... Subscription required Subscription required May 1, 2023
....................... Subscription required ....................... Subscription required Subscription required May 1, 2023
....................... Subscription required ....................... Subscription required Subscription required May 1, 2023
....................... Subscription required ....................... Subscription required Subscription required May 1, 2023
....................... Subscription required ....................... Subscription required Subscription required May 1, 2023
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Staff:

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

Corporate Filings & Presentations:

DocumentYear
Form 10-K 2022
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
Form 10-K 2018
Form 10-K 2017
Form 10-K 2016
Other 2015
Other 2014
Other 2009
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