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Canada
Greenhills Mine

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 Location:
39 km N from Sparwood, British Columbia, Canada

  Address:
P.O. Box 5000
Elkford
British Columbia, Canada
V0B 1H0
Phone  ...  Subscription required
Fax250-865-3250
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Coal (metallurgical)
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2059
Coal mined at Greenhills is primarily steelmaking coal, although lesser quantities of lower-grade hard coking coal are also produced.


Owners

Source: p. 47
CompanyInterestOwnership
POSCO International Corp. 20 % Indirect
Teck Resources Ltd. 80 % Indirect
Teck Coal Partnership (operator) 80 % Indirect
Greenhills is operated under a joint venture agreement between, among others Teck Coal and POSCO Canada Limited (POSCAN). Pursuant to the joint venture agreement, Teck Coal has an 80% interest in the joint venture while POSCAN has a 20% interest. Teck Coal and POSCAN own the mine equipment and preparation plant in proportion to their respective joint venture interests. Under the joint venture agreement, Teck Coal is the manager and operator of Greenhills and takes 80% of all coal produced at Greenhills. POSCAN takes the remaining 20% and pays a quarterly royalty based on the price achieved for Greenhills coal sales.

Contractors

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Deposit Type

  • Sedimentary


Summary:

GHO is located within the Elk Valley Coalfields. The coal measures are situated within the Upper Jurassic to Lower Cretaceous Kootenay Group sediments. From earliest to latest, the Kootenay Group includes: • Morrissey Formation: sandstones; subdivided into the Weary Ridge and Moose Mountain Members; 20–80 m in thickness; • Mist Mountain Formation: interbedded sandstone, siltstone, mudstone, shale and thin to thick seams of bituminous to semi-anthracite coal; 450–550 m in thickness; • Elk Formation: interbedded sandstone, siltstone, mudstone, shale and locally thick beds of chert-pebble conglomerate and thin seams of high volatile bituminous coal; 350–450 m in thickness. The Mist Mountain Formation contains approximately 25 coal seams of potential economic interest, consisting of medium to high volatile bituminous coal. Within the coal measures, there are three structurally-separated coalfields, the Elk Valley, Crowsnest, and Flathead coalfields. The Elk Valley coalfield is located within the Alexander Creek and Greenhills synclines, which are separated by a normal fault. The western edge of the Mist Mountain Formation, and therefore the distribution of the Elk Valley coalfield, is controlled by the Bourgeau Fault. To the east of this fault, the Greenhills syncline plunges to the north, and its eastern limb is truncated by the north-trending normal Erickson fault. East of the Erickson fault is the Alexander Creek syncline, which is in turn cut by the Ewin Pass thrust fault ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The mining operations use conventional truck-and-shovel methods. As a result of delivery requirements and varying coal seam qualities it is necessary to have multiple coal seams exposed at any time.

The Coal Reserves support a mine life to 2059. The coal production plan includes coal from FRO being produced at GHO and coal from GHO being produced at FRO. This is possible due to the proximity of the two mine sites and is done in a manner which optimizes production and coal quality needs by each site.

The target site production rate is 6.0 Mt clean coal of metallurgical coal annually until end of mine life for the 2022 LOM plan.

GHO currently produces coal from two active pit phases (Cougar Phases 4 and 7) using open-pit coal mining methods, with primary waste stripping and coal mining completed by shovels and rear dump haul trucks. An additional four phases (Cougar Phases 5, 8, 9–10, and Swift Ridge (GHO)) are planned.

The Cougar Phases 4, 5, and 7 typically use bench heights of 15 m with a 65° bench-face angle. Single bench designs are often 9 m wide safety benches, resulting in an inter-ramp wall angle of 43°. The wall is often double-benched, designed with 11 m wide safety benches, resulting in an inter-ramp wall angle of 50°. Where walls consist of rehandle, the rehandle inter-ramp wall angle is 37°. Spoils are built with a swell factor of 1.3, and final slope angles that vary from 18–32°, depending on configuration and reclamati ........


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityUnits2022202120202019201820172016
Coal (metallurgical) t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required6,096,0536,081,7615,778,344
All production numbers are expressed as clean coal.
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Operational Metrics:

Metrics202220212020201920182017
Annual production capacity  ......  Subscription required  ......  Subscription required5.4 Mt of clean coal5.4 Mt of clean coal5.4 Mt of clean coal5.4 Mt of clean coal
Raw coal annual capacity  ......  Subscription required  ......  Subscription required5.9 Mt5.9 Mt5.9 Mt5.4 Mt
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Reserves at December 31, 2022:
The Coal Reserves are supported reported using the following assumptions: average selling price of US$145/t, average mining and processing costs of $113.53/t, general and administrative cost of $13.42/t, average other operating costs of $2.08/t, break-even strip ratio of 14, minimum mineable seam thickness of 0.9–1.00 m; minimum removable parting thickness of 0.70 m; dilution thickness of 0.0– 0.6 m; coal loss thickness of 0.2-0.3 m; rock dilution ash of 74.9–80%; rock dilution specific gravity of 2.30; and parting dilution ash of 70–80%. Geotechnical assumptions use pit slope angles that range from 22–51º (overall highwall angles).
The Coal Resources are reported using the following assumptions: average selling price of US$145/t, waste mining cost of $4.06/bcm, coal mining cost of $6.06/bcm; processing cost of $12.44/t, general and administrative cost of $13.42/t, other costs of $62.64/t, and break-even strip ratio of 14 bcmw/mtrc.

CategoryTonnage CommodityMarketable Coal
Proven kt Coal (metallurgical) 23,589 kt
Probable kt Coal (metallurgical) 181,126 kt
Proven & Probable kt Coal (metallurgical) 204,715 kt
Measured 163,295 kt Coal (metallurgical)
Indicated 217,652 kt Coal (metallurgical)
Measured & Indicated 380,947 kt Coal (metallurgical)
Inferred 161,963 kt Coal (metallurgical)

Financials:

Units2023
Capital expenditures (planned) M CAD  ......  Subscription required
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Water Supply
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Heavy Mobile Equipment as of December 31, 2022:
HME TypeModelSizeQuantityStatus
Backhoe ....................... Subscription required Existing
Bulldozer ....................... Subscription required Existing
Drill (blasthole) ....................... Subscription required 311 mm ....................... Subscription required Existing
Drill (blasthole) ....................... Subscription required 311 mm ....................... Subscription required Existing
Grader ....................... Subscription required Existing
Loader (FEL) ....................... Subscription required ....................... Subscription required Existing
Loader (FEL) ....................... Subscription required ....................... Subscription required Existing
Loader (FEL) ....................... Subscription required ....................... Subscription required Existing
Scraper ....................... Subscription required Existing
Shovel (rope) ....................... Subscription required ....................... Subscription required Existing
Shovel (rope) ....................... Subscription required ....................... Subscription required Existing
Shovel (rope) ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Truck (dump) ....................... Subscription required ....................... Subscription required Existing
Truck (dump) ....................... Subscription required ....................... Subscription required Existing
Truck (water) ....................... Subscription required Existing
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 26, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 21, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 26, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 26, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 26, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 26, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 26, 2023
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Annual Information Form 2022
Quarterly Report 2022
Sustainability Report 2022
Technical Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Information Form 2018
Annual Information Form 2017
Annual Information Form 2016
Technical Report 2016
Annual Information Form 2015
Annual Information Form 2014
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