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Australia
Cook Colliery Mine

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 Location:
27 km S from Blackwater, Queensland, Australia

  Address:
Level 15, 40 Creek Street
PO Box 10630
Brisbane
Queensland, Australia
4000
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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
  • Coal (hard coking)
  • Coal (thermal)
Mining Method
  • Continuous
  • Bord-and-pillar
Production Start...
Mine Life6 years (as of Jan 1, 2022)
Cook Colliery is the underground metallurgical mine had been in care and maintenance since December 2019 until its return to operational status in February 2022.

Mastermyne were appointed as the Coal Mine Operator (CMO) of the mine site and recommenced coal production in March 2022. First Coal: April 2022.


Owners

Source: p. 1
CompanyInterestOwnership
QCoal Group 100 % Indirect
Cook Colliery was added to QCoal’s portfolio following its acquisition from Bounty Mining in 2020. Constellation Mining Pty Ltd, a subsidiary of QCoal Group.

Contractors

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Deposit Type

  • Sedimentary


Summary:

Cook Mine is in the southern part of the Bowen Basin, and lies on the eastern limb of the Comet Anticline. The strata dips gently, usually <5 degrees to the east, striking slightly east of north.

The upper part of the stratigraphy consists of the Rewan Fm., which is predominantly a grey/green claystone varying in thickness from 80 m to 200 m. The coal bearing Rangal Coal Measures unconformably underlie the Rewan Formation. The upper section of the Rangal Coal Measures consists of four seams interbedded with lithic sandstone, siltstone and carbonaceous claystone strata.

The Rangal Coal Measures contain five main seams (in stratigraphic order from shallowest to deepest): Aries, Castor, Pollux (Argo), Orion and Pisces seams. The main target for underground mining is the Argo seam (4.7 m thick), which is currently being mined.

The depths of the Aries seam (top coal) vary from 110-130 m in the western area to 220-230 m in the eastern area. The thickness of the Aries seam is generally between 1-1.5 m. The Aries Lower Seam (ARL) is not continuous and shows an average thickness of 0.6 m. Where present, it occurs from 1 m to 4 m below the Aries Seam (AR).

The Castor seam is between 10 m and 20 m below the Aries Seam. The Castor average thickness is 2.5-3 m but can locally decrease to 0.5 m or increase to 4 m due to faulting.

Approximately 15 m below the Castor seam is the Argo Rider (AGR). This coaly mudstone band, which gener ........


Mining Methods

  • Continuous
  • Bord-and-pillar


Summary:

Cook Colliery is a currently operating as a Bord and Pillar mine.

Cook Colliery is an underground mine that currently only exploits the Argo Seam. Conventional retreating longwall mining was previously used to mine some of the reserve, with inseam development by continuous miners used to develop longwall panels.

After the longwall was inundated with water in 2017, a change to continuous mining only extraction has been adopted.

Personnel and equipment access to the underground operation is provided by one main transport drift, with a conveyor also installed in this drift. A second egress is effected by the downcast shaft and associated personnel winder.

The mine plan has been developed in conjunction with pillar designs based upon the recommendations of detailed geotechnical studies, updated for performance of actual pillars. All main headings, gateroads, and barrier pillars have been designed to provide the required level of stability at appropriate factors of safety. Reviews of geotechnical designs have been completed.

Continuous miner panels have been laid out to maximise resource recovery within the constraints of geological structure.

Cook Colliery was added to QCoal’s portfolio following its acquisition from Bounty Mining in 2020. The underground metallurgical mine had been in care and maintenance since December 2019 until its return to operational status in February 2022.

Mastermyne were appoin ........


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits202020192018
Coal (hard coking) Mt  ......  Subscription required  ......  Subscription required0.1
Coal (thermal) kt  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics2022202020192018
Annual production capacity  ......  Subscription required
Coal tonnes mined  ......  Subscription required  ......  Subscription required538 kt of ROM coal134 kt of ROM coal
Tonnes processed  ......  Subscription required  ......  Subscription required562,635 t127,081 t
^ Guidance / Forecast.
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Reserves at June 30, 2019:

CategoryTonnage CommodityMarketable Coal
Probable 8.6 Mt Coal (metallurgical & thermal) 7.3 Mt
Measured 15 Mt Coal (metallurgical & thermal)
Indicated 58 Mt Coal (metallurgical & thermal)
Inferred 5 Mt Coal (metallurgical & thermal)
Total Resource 75 Mt Coal (metallurgical & thermal)

Financials:

Units20192018
Revenue M AUD  ......  Subscription required 13.8  
Pre-tax Income M AUD -19.6  


Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment as of June 30, 2018:
HME TypeQuantity
Continuous Miner ....................... Subscription required
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Mine Management:

Job TitleNameEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required May 8, 2017
....................... Subscription required ....................... Subscription required Subscription required Nov 30, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 30, 2022
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Staff:

EmployeesTotal WorkforceYear
Subscription required 2021
Subscription required 2020
Subscription required 2019
Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Press Release 2017
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