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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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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Langbeinite
  • Potash
Mining Method
  • Continuous
  • Room-and-pillar
Production Start...
Mine Life2046
The Intrepid Potash–New Mexico property (IPMN) includes two operating mines, the East Underground and HB Solution Mines, one idled mine, the West Mine and the North Mine which was shut down in the early 1980’s.

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®).
Latest NewsIntrepid Announces Fourth Quarter and Full-Year 2022 Results     March 6, 2023


Owners

Source: p. 114
CompanyInterestOwnership
Intrepid Potash, Inc. 100 % Indirect

Contractors

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Deposit Type

  • Evaporite


Summary:

Deposit Type
The geology of the potash-bearing beds of the Carlsbad area has been well documented. Overall, the potash-bearing beds may be described as bedded sedimentary rocks, deposited across the Delaware Basin and Northwest Shelf backreef from the Capitan Reef. The depositional sequences that developed in the Salado Formation consist of repetitive cycles that can be recognized by changes in mineralogy, sedimentary textures, and structures. Two types of cycles are differentiated Type I and Type II. A complete Type I cycle ranges in thickness from 3 ft to 33 ft and consists of (in ascending order):

• A basal, mixed siliciclastic and carbonate mudstone
• Laminated to massive anhydrite-polyhalite
• Halite
• Halite with mud (argillaceous halite)

Type II is a thinner, less complete sequence and consists of halite that grades upward into argillaceous halite (Lowenstein 1988). The anhydrite-polyhalite beds are laterally continuous over large distances and are used as marker beds for correlation. Potash beds are not included in these sequences because potash is secondary and formed later than the basic depositional sequence.

Mineralization
In the Carlsbad Area, the potassium minerals, in order of decreasing abundance, are polyhalite, sylvite, carnallite, langbeinite, kainite, and leonite. Other potassium minerals occur only in minor amounts in association with the principal potassium minerals listed previously.

T ........


Mining Methods

  • Continuous
  • Room-and-pillar


Summary:

Intrepid Potash produce Trio from our conventional underground East mine in Carlsbad, New Mexico. 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.

The East Mine is a high-extraction, mechanical room-and-pillar mine. Potash was the primary product until mining progressed to the mixed langbeinite and potash ore in the 5 ore zone. The mixed ore was processed into two products: MOP sourced from the sylvinite portion of the mixed ore, and Trio® sourced from the langbeinite portion of the mixed ore. The East Mine plant was converted to a langbeinite-only operation in April 2016 and potash is no longer produced from the East Mine. The maximum productive capacity of the plant is 400,000 t of Trio® concentrate annually.

There are five active sections with a miner and a shuttle car loading onto a belt conveyor. Each mining section produces approximately 240,000 t of run-of-mine ore each year. The long-range production balanced with sales projections results in a long-term annual production of 1.2 Mt of ore for 250,000 t of Trio® annually.

Mechanical mi ........


Crushing and Grinding


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:

CommodityProductUnits2022202120202019201820172016
Langbeinite Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required197220253
Potash Salt k tons  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required944 k tons935 k tons1,177 k tons
Annual production capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required400 k tons of langbeinite concentrate400 k tons of langbeinite concentrate400 k tons of langbeinite concentrate
Annual production capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Reserves at December 31, 2022:
Mechanical Mining Cutoff(ft-%K2O) - 32%.

CategoryTonnage CommodityGradeContained Metal
Proven 17.3 M tons K2O 8.6 %
Probable 4.2 M tons K2O 9.1 %
Proven & Probable 21.5 M tons K2O 8.7 %
Measured 50 M tons K2O 10 % 5 M tons
Indicated 60 M tons K2O 10 % 6 M tons
Measured & Indicated 110 M tons K2O 10 % 11 M tons



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Mar 15, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 15, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 15, 2023
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Form 10-K 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Form 10-K 2018
Form 10-K 2017
Form 10-K 2016
Other 2016
Annual Report 2015
Annual Report 2008
Other 2008
Subscription required - Subscription is required.

News:

NewsDate
Intrepid Announces Fourth Quarter and Full-Year 2022 Results March 6, 2023

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