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Australia
Muswellbrook Mine

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 Location:
3 km NE from Muswellbrook, New South Wales, Australia

  Address:
Muscle Creek Rd
PO Box 123
Muswellbrook
New South Wales, Australia
2333
Phone  ...  Subscription required
Fax(02)-6542-5010
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Coal (thermal)
Mining Method
  • Truck & Shovel / Loader
Production Start...
Coal mining and coal processing will cease in December 2022, however, Muswellbrook Coal Company is seeking to continue the handling and storage of coal on site using existing infrastructure and transporting of coal off site until 31 March 2023.

MCC is seeking a short extension of time for coal handling and storage purposes only so that it can lawfully transport the coal offsite and prepare the site for its decommissioning and rehabilitation phase.


Owners

Source: p. 4
CompanyInterestOwnership
Idemitsu Australia Resources Pty Ltd 100 % Indirect
Muswellbrook Coal Co Ltd. (operator) 100 % Direct
Muswellbrook Coal Mine (MCM) is operated by Muswellbrook Coal Company Limited (MCC), a wholly owned subsidiary of Idemitsu Australia Pty Limited (IA)

Contractors

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Deposit Type

  • Sedimentary


Summary:

Coal bearing strata within the Muswellbrook area form part of the Sydney-Gunnedah Basin. The coal seams mined by MCC are part of the Greta Coal Measures, the lowermost coals of the Sydney Basin. The coal measures are separated into two main formations, the Rowan and Skelletar Formations. The area is overlain by thick glacial marine deposits (diamictites) and sandstones of the Branxton Formation, while the Greta Coal Measures unconformably overlie the Carboniferous Gyarran Volcanics.

The stratigraphic sequence of coal measure succession within the mining lease area at MCC is characterised by the presence of seven coal seams over a relatively small vertical distance of about 90 metres. The economic mining interval occurs between the Fleming and Loder seams with a cumulative total of approximately 27 metres of coal, the thickest being the St. Heliers Seam at a maximum of 14 metres.

The Greta Coal Measures are overlain by marine sandstones and diamictites of the Branxton Formation. This marine transgression during deposition of the sandstone has caused elevated sulphur levels in the top portion of the Greta Coal Measures. This top section also contains associated reactive ground. This material is mined and placed low within the pit to reduce the possibility of the material forming acidic water. Water quality monitoring data from pit sumps and surface waters show neutral pH values and provide an indication of the successful management of overburden materials at the mine.


Mining Methods

  • Truck & Shovel / Loader


Summary:

All mining activities 2021 reporting period have occurred in Open Cut 1 with operations able to occur 24 hours a day, seven days a week. The Open Cut 1 mining schedule will continue within the Northern section of the approved area during the year, mining down through the seam sequences as they present from the Fleming through to the Loder seam. Mining has continued in Strip 23. This area will be lowered to the Lower Lewis and Loder floor to remove all underground workings. Mining extended into Strip 24 and Strip 25 in Open Cut 1. At the end of mine life all UG workings will be mined out removing any fuel sources for spontaneous combustion. The mining waste is dumped in Open Cut 1 and Open Cut 2. Open Cut 1 continues to expose underground workings of the No. 2 Underground and St Heliers Collieries. Site based procedures have been developed to allow safe extraction of the remaining underground pillar coal. These procedures are reviewed to reflect the operating experience gained during mining progress. Open cut wall designs were undertaken following recommendations of a geotechnical study completed for MCC by Mining Operation Services. Mining is achieved through open cut methods using excavators, front-end loaders and rear dump trucks. The site is currently (2022) approved to conduct mining operations until 31 December 2022. The site requires a continuation of coal storage, handling and transport until 31 March 2023. Mining operations and coal processing will be completed ........


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits20212020201920182017
Coal (thermal) kt  ......  Subscription required  ......  Subscription required  ......  Subscription required1,5161,528
All production numbers are expressed as clean coal.
Subscription required - Subscription is required.

Operational Metrics:

Metrics20212020201920182017
Waste  ......  Subscription required  ......  Subscription required8,119,374 bcm7,870,331 bcm8,186,728 bcm
Coal tonnes mined  ......  Subscription required  ......  Subscription required1,176,755 t of ROM coal1,711,271 t of ROM coal1,784,386 t of ROM coal
Subscription required - Subscription is required.

Reserves at :



Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment as of March 30, 2022:
HME TypeModelSizeQuantity
Dozer (crawler) ....................... Subscription required ....................... Subscription required
Drill (blasthole) ....................... Subscription required ....................... Subscription required
Excavator ....................... Subscription required ....................... Subscription required
Excavator ....................... Subscription required ....................... Subscription required
Grader ....................... Subscription required ....................... Subscription required
Loader (FEL) ....................... Subscription required ....................... Subscription required
Truck (dump) ....................... Subscription required 170 t ....................... Subscription required
Truck (dump) ....................... Subscription required 85 t ....................... Subscription required
Truck (water) ....................... Subscription required 70000 l ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Feb 10, 2023
....................... Subscription required ....................... Subscription required Subscription required Oct 14, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021
Subscription required Subscription required Subscription required 2020
Subscription required Subscription required Subscription required 2019
Subscription required Subscription required Subscription required 2018
Subscription required Subscription required Subscription required 2017
Subscription required Subscription required Subscription required 2016
Subscription required Subscription required Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
Other 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Corporate Presentation 2018
Other 2018
Corporate Presentation 2017
Mine Operations Plan 2017
Project Description 2007
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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