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Australia
Dawson Mine

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 Location:
48 km SW from Biloela, Queensland, Australia

  Address:
Dawson Highway via Moura
Moura
Queensland, Australia
4718
Phone+61 (7)4990-9738
Fax+61 (7)4990-9800
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Coal (metallurgical)
  • Coal (thermal)
Mining Method
  • Truck & Shovel / Loader
  • Dragline
  • Highwall
  • Backfill
On-Site Camp yes
Production Start1961
Mine Life14 years (as of Jan 1, 2022)
Dawson Mine is an open cut metallurgical coal mine operation made up of three operating pits – North, Central and South.


Owners

Source: p. 17
CompanyInterestOwnership
Mitsui & Co., Ltd. 49 % Indirect
Anglo American plc. (operator) 51 % Indirect
Dawson Mine is a joint venture between Anglo American (51%) and Mitsui Holdings (49%), and is operated by Anglo American.

Contractors

ContractorContractDescriptionRef. DateExpirySource
Macmahon Holdings Ltd. Mining Anglo American has awarded a $200 million surface mining services contract at the Dawson metallurgical coal mine in Queensland to Macmahon Holdings. Macmahon chief executive officer Michael Finnegan said the three-year contract further expanded the contractor’s portfolio on the east coast. The contract at the joint venture between Anglo American and Japan’s Mitsui Group is due to begin in July 2021. Feb 28, 2023 2024


Deposit Type

  • Sedimentary

Source: Source p.4-5

Summary:

Dawson Mine is located in the Bowen Basin, approximately 200 km south-west of Gladstone, Queensland, on the eastern limb of the Mimosa Syncline. The project targets five coal seams (A, B, C, D, E in order of geological age from youngest to oldest) belonging to the late Permian-aged Baralaba Coal Measures (BCM). The seams dip broadly to the west at around 10° with several splits and coalescences. Interburden lithologies are predominantly alluvial floodplain facies consisting of lithofelspathic sandstone, siltstone, coal, and tuff (Leisemann et al., 1992). Underlying the BCM is the Kaloola Member (KM), which is characterised by abundant tuffs and thin, tuffaceous, non-economic coals interbedded with deltaic and prodeltaic siltstones and sandstones. The Kaloola Tuff, which is a stratigraphic marker horizon equivalent to the Yarrabee Tuff elsewhere in the Bowen Basin, is typically located within the E seam floor at a variable depth (Gonano, 1980). The main regional structures in the Dawson Mine area are NNW-trending, thin-skinned, low-angle thrusts representing the southern part of the Jellinbah Thrust Belt, albeit with diminished complexity and severity (Sliwa et al., 2008). A subordinate minor thrust system varying in strike from WNW to EW is also present and is possibly the result of reactivation of basement fault systems during compressional tectonism. Minor EW normal faults are also observed but tend to lack lateral continuity. Large crossbedding structures are frequently encountered due to channel deposition and lateral migration discordant to seam structure. Other structures typical of a compressive tectonic environment and present in the Dawson Mine area include bedding plane shears, low-angle reverse faults, and thrust ramps with minor seam displacement. Locally within the pit 6-8 area, faults are NW-to-NNW trending thrusts.


Mining Methods

  • Truck & Shovel / Loader
  • Dragline
  • Highwall
  • Backfill

Source:

Summary:

Dawson mine is a large open-cut coal mining operation in Queensland that historically had been operated as a strip mine, with multiple draglines exposing coal in a westerly direction and dumping spoil to the east. In response to a shortage of dump space, insufficient progress with progressive rehabilitation and the ongoing disturbance of land, the operation made changes to address these increasing closure liabilities. This included backfilling depleted open pits, which involved changing the fleet for this part of the mine to truck and shovel.

Highwall mining is a low cost, low impact mining method to extract otherwise uneconomic coal at the end of an open cut pit life. It has been extensively used in the USA and Australia including at Glencore’s Newlands and Ulan mines and Anglo American’s Dawson mine.


Crushing and Grinding
Source: Subscription required


Processing

  • CHPP
  • Spiral concentrator / separator
  • Flotation
  • Dense media separation

Source: Source

Summary:

Dawson Coal plant is the largest coal handling and preparation plant (CHPP) in Australia. The raw coal system will accept coal from three separate mine sources delivered by an overland conveyor system, with the CHPP processing at 2000 tonnes per hour in two stage mode and up to 3400 tonnes per hour in single stage mode. The state-of the-art plant contains dense medium cyclones, spirals and flotation circuits. The product coal will then be loaded via high capacity automated reclaimers to a new rail load out facility.


Production:

CommodityUnits2022202120202019201820172016
Coal (metallurgical) t 4,092,7454,870,0004,762,9417,661,7656,626,4717,416,0789,036,667
All production numbers are expressed as clean coal.


Reserves at December 31, 2022:

CategoryTonnage CommodityMarketable Coal
Proven 56.3 Mt Coal (metallurgical) 28.3 Mt
Proven 56.3 Mt Coal (thermal) 16.8 Mt
Probable 64.1 Mt Coal (metallurgical) 39.6 Mt
Probable 64.1 Mt Coal (thermal) 12.7 Mt
Proven & Probable 120.4 Mt Coal (metallurgical) 67.9 Mt
Proven & Probable 120.4 Mt Coal (thermal) 29.4 Mt
Measured 263.8 Mt Coal (metallurgical & thermal)
Indicated 330.2 Mt Coal (metallurgical & thermal)
Measured & Indicated 594 Mt Coal (metallurgical & thermal)
Inferred 220.7 Mt Coal (metallurgical & thermal)


Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment:
HME TypeModelSizeQuantityLeased or
Contractor
Ref. Date
Dragline Bucyrus-Erie 1370 Dec 5, 2022
Dragline Marion 8200 Dec 5, 2022
Excavator Hitachi EX5600 2 Nov 19, 2022
Truck (dump) Komatsu 830E 14 Jun 15, 2017
Truck (haul) Caterpillar 797 23 Oct 2, 2019
Truck (haul) Liebherr T 264 240 t 9 Leased Dec 18, 2020

Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
CHPP Manager Julia O'Neill LinkedIn Apr 3, 2023
Environmental Superintendent Elizabeth Muirhead (07) 4990 9841 liz.muirhead@angloamerican.com LinkedIn Apr 3, 2023
General Manager Clarence Robertson LinkedIn Apr 3, 2023
Maintenance & Engineering Manager Luke Wilkie LinkedIn Apr 3, 2023
Mine Superintendent Shane Powell LinkedIn Apr 3, 2023
Mining Manager Adam Routledge LinkedIn Apr 5, 2023
Mining Superintendent Clinton Dixon LinkedIn Apr 3, 2023
Planning Superintendent Craig Lowe LinkedIn Apr 5, 2023
Technical Services Manager Daniel Martin LinkedIn Apr 3, 2023

Staff:

EmployeesTotal WorkforceYear
645 2022
645 2021
645 2020
1,300 2019

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2023
Integrated Report 2022
Other 2022
Other 2022
Year-end Mineral Reserves 2022
Annual Report 2021
Year-end Mineral Reserves 2021
Annual Report 2020
Press Release 2020
Year-end Mineral Reserves 2020
Annual Report 2019
Environmental Assessment 2019
Year-end Mineral Reserves 2019
Annual Report 2018
Other 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Sustainability Report 2015
Year-end Mineral Reserves 2015
Other 2007
Sustainability Report 2006
Other 2000

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