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United States
Carlsbad East Mine

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 Location:
42 km E from Carlsbad, New Mexico, United States

  Address:
210 Red Cloud Rd.
Carlsbad
New Mexico, United States
88220
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WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Potash
  • Langbeinite
Mining Method
  • Continuous
Processing
  • Flotation
Mine Life34 years (as of Jan 1, 2019)
The East mine was converted to a Trio®-only operation in April 2016 and potash is no longer produced from the East mine.

The East mine is one of two global producers of langbeinite (Trio®).


Owners

Source: p. 1
CompanyInterestOwnership
Intrepid Potash, Inc. 100 % Indirect
Intrepid Potash - New Mexico, LLC 100 % Direct

Deposit Type

  • Evaporite


Summary:

The main ore body of the East Mine is located approximately 900 to 1,100 feet below the surface and is a mixed ore body with two minerals: sylvite (or potash) and langbeinite.


Mining Methods

  • Continuous


Summary:

A conventional underground mine uses a mechanical method of extracting minerals from underground. Underground mining consists of multiple shafts or entry points and a network of tunnels to provide access to minerals and conveyance systems to transport materials to the surface. Underground mining machines are used to remove the ore and a series of pillars are left behind to provide the appropriate level of ground support to ensure safe access and mining.

Potash was mined from underground bedded deposits using continuous mining machines with shuttle car haulage from the face.


Crushing and Grinding


Processing

  • Flotation

Source: Subscription required

Summary:

The East mine has a current estimated productive capacity of approximately 400,000 tons of Trio® annually, based on current design. The East mine was converted to a Trio®-only operation in April 2016 and potash is no longer produced from the East mine.

Ore extraction and conveyance to the surface is similar for both our East Mine and West Mine. The East mill produces 62 percent K2O white Muriate of Potash (MOP) from sylvite ore and Sulfate of Potash Magnesia products, Trio®, from the langbeinite ore. Potash is refined from the ore through hot brine dissolution of the potassium salts commonly called “hot leaching,” and then re-crystallization by rapidly cooling the brine. Natural gas boilers provide process steam.

The surface facility uses a flotation process to separate the sylvite from the salt. The refined sylvite is called Muriate of Potash or potash for short and is transported to the North Facility where it is compacted and processed into a granular form sui ........

Recoveries & Grades:

CommodityParameter2019201820172016201520142013
Langbeinite Head Grade, % 9.19.186.2
Potash Head Grade, % 7.97.88.87.7
Potash Concentrate Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Production:

CommodityProductUnits201920182017201620152014
Langbeinite Concentrate k tons  ......  Subscription required  ......  Subscription required243279
Potash Salt k tons  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics201920182017201620152014
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required1,935 k tons2,368 k tons2,535 k tons
Annual production capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required400 k tons of langbeinite concentrate
Annual production capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required225 k tons of potash salt
Subscription required - Subscription is required.

Reserves at December 31, 2019:

CategoryTonnage CommodityGradeContained Metal
Proven 5,360 k tons KCl 21.7 % 920 k tons
Proven 31,220 k tons Langbeinite 43.3 % 12,170 k tons
Probable 3,510 k tons KCl 22.6 % 650 k tons
Probable 17,980 k tons Langbeinite 37 % 6,490 k tons


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 4, 2020
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2018
Form 10-K 2017
Form 10-K 2016
Annual Report 2015
Annual Report 2008
Other 2008
Subscription required - Subscription is required.

Aerial view:

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