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Australia
South Walker Creek Mine

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 Location:
24 km SW from Nebo, Queensland, Australia

  Address:
Level 32, 12 Creek Street
GPO Box 2602
Brisbane
Queensland, Australia
4000
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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)
Mining Method
  • Truck & Shovel / Loader
  • Dragline
Production Start...
Mine Life25 years (as of Jan 1, 2022)
South Walker Creek PCI is one of the highest performing PCI products in a steel blast furnace given its low volatility matter.


Owners

Source: p. 1
CompanyInterestOwnership
Stanmore SMC Pty Ltd. (operator) 100 % Direct
Stanmore Resources Ltd. 100 % Indirect
On October 7, 2022, Stanmore Resources Limited completed the acquisition of the remaining 20% interest in BHP Mitsui Coal Pty Ltd, now renamed Stanmore SMC Pty Ltd (“SMC”) held by Mitsui (the “Acquisition”). Following the completion of the Acquisition, Stanmore owns 100% of SMC.

Contractors

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Deposit Type

  • Sedimentary


Summary:

The South Walker deposit is situated within the Nebo Synclinorium on the eastern flank of the Carborough Syncline (Figure 1). Permian coal measures dip westerly at five to ten degrees, with dips steepening in the north in the Kemmis deposit. Locally the principal economic seam is the Main Seam, which splits to the north and south into Main Tops and Main Bottoms (Figure 4). The Main Seam is believed to be equivalent with the Elphinstone Seam (Leichardt) and upper part of the Hynds Seam, and extends over two kilometres in strike length in the south, comprising 10.5 to 14m of mainly dull to dull banded coal with minor mudstone partings. The Hynds Seam in South Walker has deteriorated to a sub-economic banded seam and displays seam splitting relationships present at South Walker Creek.

The Hynds Seam consists of three components: two coal seams (Upper & Lower); and the Yarrabee Tuff, and is equivalent to the Vermont seam, mined at the Poitrel Deposit. The Hynds Seam lies between 15 and 60 metres below the main seams, at an average of 32 metres, and varies in thickness across the deposit and tends to be heavily stone banded.

The Hynds Upper (HT) split is generally thin (one to two metres) and contains few stone bands. Underlying Yarrabee Tuff is commonly altered to clay and tends to be soft and puggy in nature with an average thickness of 0.5 metres and is problematic for coal washing if mined. Hynds Lower Seam (HB) tends to be substantially thicker (two to n ........


Mining Methods

  • Truck & Shovel / Loader
  • Dragline


Summary:

South Walker Creek is an open cut 100% pulverised coal injection (“PCI”) metallurgical coal mine, with coal marketed as ‘best in class’ low volatile PCI.
South Walker Creek has been operating since 1996 as an opencut operation and now has two fully owned Marion 8050 draglines operating, a contracted fleet of excavators, dozers and haul trucks, as well as fully owned fleet to support the dragline.

General activities undertaken in the mining process at the South Walker Creek include:
• Land clearing and topsoil removal.
• Overburden / inter burden drilling and blasting.
• Excavator and truck stripping.
• Dozer stripping.
• Excavator and truck parting removal and post stripping.
• Dragline stripping.
• Coal ripping and pushing.
• Coal loading and hauling.
• Pit preparation and dewatering, and
• Reclamation.

Geology and topography of the South Walker Creek mine area is such that the strip-mining technique has been adopted as the mining method. Initial mining operations commenced on the sub-crop of the Main seam in 1996 and 2006 respectively using fleets of excavators and trucks as the primary overburden removal tools to uncover coal in strips orientated along the strike of seam.

Mining then progresses along strike and down-dip to the lease boundary or to a depth of maximum economic strip ratio, at which point a transition to underground mining may commence. Mining strips and blocks a ........


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2022202120202019201820172016
Coal (metallurgical) kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required6,0295,1235,436
All production numbers are expressed as clean coal.
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Operational Metrics:

Metrics202220212020201920182017
Coal tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required7,729,459 t of ROM coal8,108,267 t of ROM coal7,375,485 t of ROM coal
Annual production capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
Tonnes processed  ......  Subscription required  ......  Subscription required  ......  Subscription required8,053,609 t8,377,813 t7,013,840 t
Plant annual capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
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Reserves at June 30, 2022:

CategoryTonnage CommodityMarketable Coal
Proven 166 Mt Coal (metallurgical) 130 Mt
Probable 20 Mt Coal (metallurgical) 15 Mt
Proven & Probable 186 Mt Coal (metallurgical) 145 Mt
Measured 258 Mt Coal (metallurgical)
Indicated 303 Mt Coal (metallurgical)
Inferred 123 Mt Coal (metallurgical)
Total Resource 684 Mt Coal (metallurgical)


Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment as of November 8, 2021:
HME TypeModelQuantity
Dragline ....................... Subscription required ....................... Subscription required
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 1, 2022
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Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Corporate Presentation 2022
Press Release 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Annual Report 2016
Other 2016
Annual Report 2015
Other 2003
Subscription required - Subscription is required.

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