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Australia
Maxwell Project

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 Location:
8 km SE from Muswellbrook, New South Wales, Australia

  Project Contacts:
952 Thomas Mitchell Drive
Muswellbrook
New South Wales, Australia
2333
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  • Overview
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  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageConstruction
Mine TypeUnderground
Commodities
  • Coal (semi-soft coking)
  • Coal (thermal)
Mining Method
  • Longwall
  • Bord-and-pillar
Production Start...
Mine Life26 years (as of Jan 1, 2022)
Construction of the Maxwell Mine commenced in May 2022. On track to deliver 1st coal in Q1 2023.

Under the Project Case, underground mining operations will produce approximately 148 Mt of ROM coal over 26 years. Of these, approximately 124 Mt of product coal will be made available, comprising approximately 75% high quality semi-soft coking coal (also referred to as metallurgical coal) and approximately 25% high quality (low ash) thermal coal.


Owners

Source: p. 13
CompanyInterestOwnership
New Hope Group Co., Ltd. 15 % Indirect
Malabar Resources Ltd. 85 % Indirect
Maxwell Ventures (Management) Pty Ltd. (operator) 100 % Direct
Maxwell Ventures (Management) Pty Ltd, a wholly owned subsidiary of Malabar Resources Limited (Malabar) owns and operates the Maxwell Underground Coal Mine Project.

The New Hope acquired a 15 per cent interest in Malabar Resources Limited (Malabar) for a total investment of $94.4 million, paid in July 2022.

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Sedimentary


Summary:

The Project is located in the Hunter Coalfield in the northern part of the Permo-Triassic Sydney Basin, which forms the southern portion of the Sydney-Gunnedah-Bowen Basin (DMR, 1988).

The Wittingham Coal Measures occur widely within the Hunter Coalfield and contain many recoverable seams. The Project targets mining of the Whynot, Woodlands Hill, Arrowfield and Bowfield Seams.

The target seams are within the Jerrys Plains Subgroup, forming part of the upper and middle units of the Wittingham Coal Measures.

Above the target seams, the stratigraphy of the area consists of a sequence of sandstone, siltstone and laminate units within the Wittingham Coal Measures.

Geological Features
The target underground mining area sits on the western side of the Muswellbrook Anticline, which is a prominent regional geological feature. The strata in the area (including the coal seams) dip gently, with gradients varying between 3% and 5%.

Geological features identified in the target underground mining area and surrounds include:
• a north-northwest-orientated regional graben structure to the west of the Maxwell Underground;
• a north-east-trending fault located to the south-east of the Maxwell Underground with a throw of approximately 10 m;
• smaller faults within the mining area with throws of between approximately 2 m to 6 m;
• igneous dykes;
• dolerite sills intruded into the Whynot, Arrowfield and B ........


Mining Methods

  • Longwall
  • Bord-and-pillar


Summary:

The Maxwell UG Project is an underground mining operation that will produce high-quality coals over a period of approximately 26 years. It involves the extraction of up to 8 million tonnes per annum of ROM coal from four seams within the Wittingham Coal Measures, using the following underground mining methods:
• Underground bord and pillar mining with partial pillar extraction in the Whynot Seam; and
• Underground longwall extraction in the Woodlands Hill Seam, Arrowfield Seam and Bowfield Seam.

Substantial existing infrastructure at the Maxwell Infrastructure site will be utilised for the handling, processing and transportation of coal. This includes the existing CHPP, train loadout facilities and other infrastructure and services including water management infrastructure, administration buildings and workshops.

The underground mining operations for the Project would extract approximately 148 Mt of ROM coal.

The Maxwell Mine will be developed in stages:
Stage 1
- Sales 3.0 to 3.6Mtpa;
- Bord & Pillar production commences in Q1/CY2023. Bord and Pillar mining of the Whynot seam;
- Q1/CY2025 145m longwall commences. Longwall operating in the Woodlands Hill seam.

Stage 2
- Sales 5.5 to 6.5Mtpa;
- Q2/CY2025 300m longwall commences. Longwall operating in the Woodlands Hill seam.

Bord and Pillar Mining Operations
Bord and pillar mining methods (with partial pillar extraction) a ........


Crushing and Grinding


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Coal (metallurgical & thermal) Mt 4.8124
All production numbers are expressed as clean coal.

Operational Metrics:

Metrics
Raw coal annual capacity 8 Mt *
Annual processing capacity 8 Mt *
Reject, LOM 32.5 Mt *
ROM coal, LOM 147.9 Mt *
* According to 2019 study.

Reserves at June 30, 2021:

CategoryTonnage Commodity
Measured 430 Mt Coal (metallurgical & thermal)
Indicated 240 Mt Coal (metallurgical & thermal)
Measured & Indicated 670 Mt Coal (metallurgical & thermal)
Inferred 100 Mt Coal (metallurgical & thermal)
Total Resource 770 Mt Coal (metallurgical & thermal)

2019 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Total CapEx $M AUD  ......  Subscription required
Total OpEx $M AUD  ......  Subscription required
Income Taxes $M AUD  ......  Subscription required
Total Taxes $M AUD  ......  Subscription required
Royalty payments $M AUD  ......  Subscription required
Gross revenue (LOM) $M AUD  ......  Subscription required
Net Income (LOM) $M AUD  ......  Subscription required
Subscription required - Subscription is required.

Water Supply
TypeMaterialDiameterLengthDescription

Underground and surface operations would use a combination of potable and recycled water. Potable water to the Maxwell Infrastructure would continue to be supplied by pipeline from Muswellbrook.

Water used in underground mining operations would be treated water.

Water used in the CHPP would be recycled from the CHPP rejects with any necessary make-up water obtained from mine water storages.

The CHPP make-up water demand is related directly to the rate of ROM coal feed to the CHPP, the amount of coal bypassed around the coal processing plant, and the rate of production and moisture content of CHPP rejects. The estimated make-up demand varies between less than 1 ML/day up to approximately 3.5 ML/day over the life of the Project.


Heavy Mobile Equipment as of June 13, 2019:
HME TypeModelQuantityStatus
Continuous Miner Proposed
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Dozer ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Loader (FEL) ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
....................... Subscription required Proposed
Truck (dump) ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required Proposed
....................... Subscription required ....................... Subscription required Proposed
Subscription required - Subscription is required.

Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jan 4, 2023
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Jan 4, 2023
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Jan 4, 2023
....................... Subscription required ....................... Subscription required Subscription required Jan 4, 2023
....................... Subscription required ....................... Subscription required Subscription required Jan 4, 2023
....................... Subscription required ....................... Subscription required Subscription required Jan 4, 2023
....................... Subscription required ....................... Subscription required Subscription required Jan 4, 2023
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Other 2022
Press Release 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Technical Report 2018
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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