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United States
Ciner Trona Mine

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 Location:
28 km NW from Green River, Wyoming, United States

  Address:
254 County Road 4-6
Green River
Wyoming, United States
82935
Phone  ...  Subscription required
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Trona
Mining Method
  • Continuous
  • Room-and-pillar
Processing
  • Calcining
  • Dewatering
  • Dissolving & Crystallising
  • Solar evaporation
Mine Life50 years (as of Jan 1, 2019)


Owners & OPERATOR

Source: p. 17
CompanyInterestOwnership
Ciner Resources LP 51 % Indirect
Ciner Wyoming LLC (operator) 100 % Direct
A 51% membership interest in Ciner Wyoming LLC (the "Company") is owned by Ciner Resources LP ("Ciner Resources"). Ciner Resources LP controls and operates Ciner Wyoming. Ciner Wyoming LLC is the operator of a trona ore mining operation and a soda ash refinery in the Green River Basin of Wyoming. NRP Trona LLC, a wholly owned subsidiary of Natural Resource Partners LP ("NRP"), owns a 49% non-operating equity interest in the Company (Ciner Wyoming LLC).

Deposit Type

  • Sedimentary


Summary:

The Green River Basin geological formation holds the largest, and one of the highest purity, known deposits of trona ore in the world.

Location of mining beds and high purity trona.
Mining beds are located 800 to 1,100 feet below the surface, which is significantly closer to the surface than the mining beds of other operators in the Green River Basin. The relatively shallow depth of beds compared to other Green River Basin trona mines contributes to favorable ground conditions and improved mining efficiency. In addition, the trona in mining beds has a higher concentration of soda ash as compared to the trona mined at other locations in the Green River Basin, which is typically imbedded or mixed with greater amounts of halite and other impurities. Ciner's trona ore is generally composed of approximately 80% to 89% pure trona.


Mining Methods

  • Continuous
  • Room-and-pillar


Summary:

Company's mining leases and license are located in two mining beds, designated by the U.S. Geological Survey as beds 24 and 25, at depths of 800 to 1100 feet, respectively, below the surface. Mining these beds affords several competitive advantages. First, the depth of beds is shallower than other actively mined beds in the Green River Basin, which allows to use “Room and Pillar Method” and a continuous mining technique to mine trona and roof bolt the ceiling simultaneously. In addition, mining two beds that are on top of one another allows for production efficiencies because Company is able to use a single hoisting shaft to service both beds.


Crushing and Grinding


Processing

  • Calcining
  • Dewatering
  • Dissolving & Crystallising
  • Solar evaporation

Flow Sheet: Subscription required

Summary:

Processing assets consist primarily of material sizing units, conveyors, calciners, dissolver circuits, thickener tanks, drum filters, evaporators and rotary dryers.

In trona ore processing, insoluble materials and other impurities are removed by thickening and filtering liquor, a solution consisting of sodium carbonate dissolved in water. Ciner Wyoming then adds activated carbon to filters to remove organic impurities, which can cause color contamination in the final product. The resulting clear liquid is then crystallized in evaporators, producing sodium carbonate monohydrate. The crystals are then drawn off and passed through a centrifuge to remove excess water. The resulting material is dried in a product dryer to form anhydrous sodium carbonate, or soda ash. The resulting processed soda ash is then stored in on-site storage silos to await shipment by bulk rail or truck to distributors and end customers. Ciner Wyoming’s storage silos can hold up to 65,000 short tons of p ........

Recoveries & Grades:

CommodityParameter20192018201720162015
Trona Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Trona Head Grade, % 86.685.688.487.585.8
Subscription required - Subscription is required.

Production:

CommodityUnits20192018201720162015
Trona k tons  ......  Subscription required  ......  Subscription required2,6672,6952,663
All production numbers are expressed as soda ash.
Subscription required - Subscription is required.

Operational Metrics:

Metrics20192018201720162015
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required4,050 k tons4,040 k tons
Annual production capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
Annual mining rate  ......  Subscription required  ......  Subscription required  ......  Subscription required4 M tons4 M tons
Subscription required - Subscription is required.

Reserves at December 31, 2020:

CategoryTonnage CommodityGrade
Proven 99.3 M tons Trona 86 %
Probable 112.5 M tons Trona 85.8 %
Proven & Probable 211.9 M tons Trona 85.9 %

Commodity Production Costs:

CommodityUnits20192018201720162015
Total cash costs (sold) Soda ash USD  ......  Subscription required  ......  Subscription required 79 / ton 79 / ton 80 / ton
Subscription required - Subscription is required.

Financials:

Units20192018201720162015
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 35.7  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 486.4  
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 110.1  
Gross profit M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 130.3  
After-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 106.2  
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 133.9  
Operating Cash Flow M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 150.2  
Subscription required - Subscription is required


Heavy Mobile Equipment as of December 31, 2019:
HME TypeQuantity
Continuous miner 7
Shuttle car 14

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Dec 17, 2020
....................... Subscription required ....................... Subscription required Subscription required Dec 17, 2020
....................... Subscription required ....................... Subscription required Subscription required Dec 17, 2020
....................... Subscription required ....................... Subscription required Subscription required Dec 17, 2020
....................... Subscription required ....................... Subscription required Subscription required Dec 17, 2020
....................... Subscription required ....................... Subscription required Subscription required Dec 17, 2020
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2019
Subscription required 2018
Subscription required 2017
Subscription required 2016

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2018
Form 10-K 2017
Form 10-K 2016
Form 10-K 2015
Subscription required - Subscription is required.

Aerial view:

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