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Australia
Austar Mine

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 Location:
8 km SW from Cessnock, New South Wales, Australia

  Address:
Middle Road Paxton Locked Bag 806
Cessnock
New South Wales, Australia
2325
Phone+61-2-4993-7200
Fax+61-2-4993-7326
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StatusClosing / Closed
Mine TypeUnderground
Commodities
  • Coal (metallurgical)
Processing
  • Wash plant
  • CHPP
  • Spiral concentrator / separator
  • Dense media separation
In February 2020, the Austar mine completed mining of the Bellbird South area and with no immediate economically viable mine plan, was placed on care and maintenance by Watagan. The Yancoal Board has approved commencing mine closure activities at Austar with such activities expected to take between five and ten years to complete.


Owners

Source: p. 66,89
CompanyInterestOwnership
Yancoal Australia, Ltd. 100 % Indirect
Austar Coal Mine Pty Ltd. (operator) 100 % Direct

Deposit Type

  • Sedimentary

Source: Source

Summary:

Austar is located in the South Maitland Coalfield of the Maitland Group which forms part of the Newcastle Coalfields. The mid Permian Age Greta Coal Measures outcrop around the Lochinvar Anticline, which is the dominant structural feature in the Cessnock area. Austar Mine Complex is located on the nose of the Anticline. Coal in the Stage 2 Extension Area will be sourced from the Greta Seam at depths of approximately 530 to 560 metres below the surface.

The Greta Seam is overlain by the Branxton Formation, which comprises a series of interbedded sandstone and siltstone layers up to 20 metres thick. The Pelton Seam, which is less than 0.5 metres thick, lies at the top of the Branxton Formation and forms the upper limit of the Greta Coal Measures.


Mining Methods

Source:

Summary:

In February 2020, the Austar mine completed mining of the Bellbird South area and with no immediate economically viable mine plan, was placed on care and maintenance by Watagan. The Yancoal Board has approved commencing mine closure activities at Austar with such activities expected to take between five and ten years to complete.


Crushing and Grinding


Processing

  • Wash plant
  • CHPP
  • Spiral concentrator / separator
  • Dense media separation

Source: Source

Summary:

Austar produces a premium coking coal. It is characterized as the highest fluidity and lowest ash coking coal in Australia with low phosphorous and low alkalies. The seam is typically 4.8 – 6.5 metres thick. Up to 3.6 million tonnes per annum of run of mine (ROM) coal is approved to be mined onsite.

Once mined, coal is sent to the Coal Handling and Preparation Plant for crushing and washing to produce a high quality coking coal product for export. Coal is processed using a combination of dense medium cyclones and spiral techniques, with greater than 92% recovery. The wash plant has the capacity to process 750 tonnes per hour with stockpile capacity of 150,000 tonnes of raw coal and 300,000 tonnes of washed coal.

All ROM coal from the underground is transferred by conveyors via the Ellalong Drift to a 2000 tonne bin at Pit Top, where an overland conveyor system with a nominal capacity of 900 tonnes per hour conveyors the coal to the Pelton CHPP raw coal stockpile. The majority of product coal processed at the CHPP is railed to the Port of Newcastle via the Austar Rail Line, the South Maitland Railway and the Main Northern Rail Line.

The CHPP is a heavy medium (HM) plant. There are three circuits that treat different
fractions:
- No.1 HM circuit treats the -12mm x 1mm coal; and
- No.2 HM circuit treats the - 45mm x 12mm coal.
- Fines circuit treats the -1mm fraction (spirals and cyclones) Coal enters the plant and passes over a set of sizing screens. Oversize material (+120mm) is removed from the plant as refuse and the fines (-1mm coal) are treated in the fine coal circuit.


Production:

CommodityUnits2020201920182017201620152014
Coal (metallurgical) t 850,275595,2311,043,3531,950,724258,2361,681,8411,359,961
All production numbers are expressed as clean coal.

Operational Metrics:

Metrics202020192018201720162015
Coal tonnes mined 1,034,297 t of ROM coal705,352 t of ROM coal1,413,065 t of ROM coal2,015,187 t of ROM coal27,201 t of ROM coal2,097,195 t of ROM coal

Reserves at December 31, 2020:

CategoryTonnage Commodity
Measured 110 Mt Coal (metallurgical)
Indicated 40 Mt Coal (metallurgical)
Inferred 70 Mt Coal (metallurgical)
Total Resource 220 Mt Coal (metallurgical)


Heavy Mobile Equipment:

Mine Management:

Job TitleNamePhoneProfileRef. Date
CHPP Maintenance Superintendent Jared King 02-4993-7509 LinkedIn Jul 27, 2021
Environmental & Community Manager Carly McCormack 02-4993-7334 Jun 30, 2020
Mine Operations Manager William Farnworth 02-4993-7356 LinkedIn Jul 27, 2021
Procurement Specialist Kathy Fitzpatrick LinkedIn Jul 27, 2021

Staff:

EmployeesYear
137 2020
200 2019

Corporate Filings & Presentations:

DocumentYear
Annual Report 2020
Annual Review 2020
Annual Report 2019
Annual Review 2019
Financial Review 2019
Mine Operations Plan 2019
Annual Report 2018
Annual Review 2018
Annual Report 2017
Annual Review 2017
Annual Review 2016
Annual Review 2015
Annual Review 2014
Project Description 2011
Project Description 2010

Aerial view:

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