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Australia
United Wambo Mine

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 Location:
19 km W from Singleton, New South Wales, Australia

  Address:
300 Watt Street
Warkworth
New South Wales, Australia
2330
Phone  ...  Subscription required
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 & thermal)
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life12 years (as of Jan 1, 2022)
In December 2019 Peabody Energy, Inc. (Company) formed an unincorporated joint venture with Glencore plc (Glencore), in which the Company holds a 50% interest, to combine the existing operations of the Company’s Wambo Open-Cut Mine in Australia with the adjacent coal reserves of Glencore’s United Mine.

Both parties contributed mining tenements upon formation of the joint venture (United Wambo Joint Venture), and combined operations commenced in December 2020. At that date, the parties contributed mining equipment and other assets, and certain additional construction and development activities are ongoing.


Owners

Source: p. 7
CompanyInterestOwnership
Construction, Forestry, Maritime, Mining And Energy Union 2.5 % Indirect
Glencore plc. (operator) 47.5 % Indirect
Peabody Energy, Inc. 50 % Indirect
United Wambo is a 50:50 joint venture between neighbouring mines operated by United Collieries Pty Limited (United) and Wambo Coal Pty Limited (Wambo).

United is owned 95 per cent by Abelshore Pty Limited, a wholly owned subsidiary of Glencore Coal Pty Limited (Glencore) and 5 percent by the Construction, Forestry, Maritime, Mining and Energy Union (CFMMEU), which is managed by Glencore. Wambo Coal Pty Limited (Wambo) is a subsidiary of Peabody Energy Australia Pty Limited.

Contractors

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Deposit Type

  • Sedimentary


Summary:

Geology
Regionally, the predominant geological feature is the Sydney Basin, formed via igneous rifting and crustal thinning resulting in the deposition of Permian and Triassic aged sedimentary sequences. Within the UWJV Project area Permian sediments form the Wittingham Coal Measures of the Hunter Coalfields. The coal measures generally plunge in a west to south-westerly direction and outcrop to the east of the Project area near the Hunter River.

The Wittingham Coal Measures comprise the economic coal seams interspersed with overburden and interburden consisting of sandstone, siltstone, tuffaceous mudstone and conglomerate. Quaternary alluvial deposits unconformably top the Permian sediments. These deposits consist of silt, sand and gravel in the alluvial floodplain of the Wollombi Brook. To the east of the Wollombi Brook is a sequence of aeolian sands, known as the Warkworth Sands Formation, that form a thin capping on the underlying Permian bedrock Additionally, the Triassic Narrabeen Group also unconformably overlie the Permian sediments. The Narrabeen Group, which formed from uplift during the Triassic, comprises fluviatile deposits that form the ridges and a high plateau within the Wollemi National Park, west of the Project Area. Surficial weathering, typically present as a thin heterogeneous layer of unconsolidated material overlying fresh bedrock occurs across the project area.

Locally, the predominant stratigraphic units that occur with ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Mining and coal handling at United Wambo involves conventional open-cut mining methods involving truck and excavator/shovel operations.

United Wambo comprises of mining within two open cut pits - a new open cut coal mine at United, known as the United Open Cut, and the existing open cut operations at Wambo, known as the Wambo Open Cut. Operations at United Wambo occurred in three Phases during 2020 as defined by SSD 7142; Phase 1A, Phase 1B and Phase 2. The new combined open-cut mine is forecast to produce 10 million tonnes of thermal and metallurgical coal annually.

Phase 1A
Phase 1A commenced on the 6th January 2020 involving construction works and development of the United Starter Pit. Extraction of material from the United Starter Pit commenced under Phase 1A in May 2020.

Phase 1A, included the following activities:
• Salvage of Aboriginal artefacts;
• Clearing of vegetation to facilitate construction and mining activities;
• Construction and use of the Construction Infrastructure Areas (CIA);
• Upgrades to the Mine Infrastructure Area (MIA) at Wambo including the construction of a new workshop, fuel farm, administration offices, carpark;
• Construction of water management infrastructure including three mine water dams (U1, U2 and U3), the Northern Clean Water Drain and water pipelines;
• Installation of erosion and sediment controls;
• Construction of the realigned 330kV, 66kV and 11kV power lines;< ........


Crushing and Grinding


Processing

Source: Subscription required

Summary:

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Production:
United Wambo Joint Venture operations commenced in December 2020.

CommodityUnits202220212020
Coal (metallurgical & thermal) Mt  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as clean coal.
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Operational Metrics:

Metrics20212020
Waste  ......  Subscription required  ......  Subscription required
Coal tonnes mined  ......  Subscription required  ......  Subscription required
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Reserves at December 31, 2022:

CategoryTonnage CommodityMarketable Coal
Proven 75 Mt Coal (metallurgical & thermal) 55 Mt
Probable 4 Mt Coal (metallurgical & thermal) 3 Mt
Measured 510 Mt Coal (metallurgical & thermal)
Indicated 290 Mt Coal (metallurgical & thermal)
Inferred 500 Mt Coal (metallurgical & thermal)


Water Supply

United Wambo has a combined total entitlement of up to 370 ML/year assuming full allocation under the Hunter Unregulated and Alluvial WSP (Lower Wollombi Water Source), and up to 1,306 ML/year high security surface water under the Hunter Regulated WSP (Hunter River). In addition, entitlements held by United Wambo for water take from the Permian groundwater system under the North Coast Fractured and Porous Rock WSP, are 1947 ML/year.


Proposed Heavy Mobile Equipment as of August 1, 2016:
HME TypeQuantity
Dozer ....................... Subscription required
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Mine Management:

Job TitleNamePhoneProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Mar 14, 2023
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....................... Subscription required ....................... Subscription required Subscription required Mar 14, 2023
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2021

Corporate Filings & Presentations:

DocumentYear
Form 10-K 2022
Year-end Mineral Reserves 2022
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................................... Subscription required 2020
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Technical Report 2016
Preliminary Economic Assessment 2015
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Subscription required - Subscription is required.

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