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Australia
Moranbah North Mine (Grosvenor)

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 Location:
16.6 km NW from Moranbah, Queensland, Australia

  Address:
Shop 16, Moranbah Shopping Fair - Saint Francis Drive
Moranbah
Queensland, Australia
4744
Phone  ...  Subscription required
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Coal (metallurgical)
  • Coal (hard coking)
Mining Method
  • Longwall
Production Start...
Mine Life22 years (as of Jan 1, 2022)
Moranbah North mine has achieved the 100% automation mark.


Owners

Source: p. 271
CompanyInterestOwnership
JFE Mineral Co., Ltd. 0.5 % Indirect
Shinsho Australia Pty. Ltd. 0.5 % Indirect
Ns Resources Australia Pty Ltd 1.25 % Indirect
Mitsui & Co., Ltd. 4.75 % Indirect
Nippon Steel Australia Pty Ltd. 5 % Indirect
Anglo American plc. 88 % Indirect
88% Anglo American, 5% Nippon Steel, 4.75% Mitsui Coal, 1.25% NS Resources 0.5% Shinsho Australia, and 0.5% JFE Mineral.

The ownership structure of Moranbah North has been replicated at Grosvenor, through the sale of a 12% interest in the Grosvenor mine to the same consortium of Japanese companies which hold an equivalent interest at Moranbah North (being Nippon Steel Corporation, Mitsui & Co., Ltd, Nippon Steel Trading Corporation, Shinsho Corporation and JFE Mineral Co., Ltd).

Contractors

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Deposit Type

  • Sedimentary


Summary:

Moranbah North (metallurgical coal) is located in Queensland’s Bowen Basin.

The sedimentary strata of Grosvenor, Moranbah North and Moranbah South were deposited on the tectonically stable Collinsville Shelf on the north western flank of the basin. Basalt flows that follow structures associated with the Permo-Carboniferous strike slip system partially overlie Grosvenor, Moranbah North and Moranbah South.

COAL SEAMS
Moranbah Coal Measures
Sandstone, siltstone, mudstone and coal are the predominant lithology’s within the Moranbah Coal Measures, with one distinctive tuffaceous marker bed, the P Tuff, recognised throughout the area.

Goonyella Middle Seam (GM Seam)
In general, the GM Seam displays a brightness profile decreasing towards the roof. Coal surrounding the major partings is often high in vitrinite, but there is always a dulling towards the roof of the seam. This is replicated in coking properties with the best coal being at the base of the seam. The top of the GM Seam generally displays poor coking or thermal coal properties rather than high quality coking coal properties.

The seam maintains a relatively uniform thickness throughout the deposit across the Moranbah North lease and into the project area. In the northern areas of the Moranbah North lease and project area the parting between the GM and GML seams thins in the working section area (interburden less than 30 cm) and consists of a carbonaceous siltst ........


Mining Methods

  • Longwall


Summary:

Moranbah North is an underground longwall mine.

Mining activities through ML70108 and into the Project area are, and will continue to be for the life of the mine, confined to underground operations using longwall extraction methods and development using continuous miner equipment.

Preparation for longwall to commence mining:
- Each development pillar ~120m in length and 60m width. ~45 pillars per panel (4.5 km). Cut height 3.5m with roadway width of 5.4m. 8 x 1.8m roof bolts and 7 x 1.8m rib bolts each metre installed when in optimum mining conditions.
- Longwall shearer cuts coal using bi- directional method.
- Width of the longwall panel is 300m with 1m advance per shear. Extraction height 4.2m to 4.7m.

2022 - The Moranbah North mine is became the first of the company’s three operating longwalls to achieve the 100% automation mark.

This mine uses SL 900 shearers from Eickhoff, with a team of operational and engineering experts monitoring the longwall mining process from start to finish. These operators, located in the Remote Operations Centres (ROC) above-ground, are able to analyse the data and drive safer operations, better decisions and achieve mining excellence.


Crushing and Grinding


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2022202120202019201820172016
Coal (hard coking) t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required7,684,0916,137,8415,756,932
All production numbers are expressed as clean coal.
Subscription required - Subscription is required.

Operational Metrics:

Metrics2019
Coal tonnes mined 8.75 Mt
Coal washing plant annual capacity 17.5 Mt

Reserves at December 31, 2022:

CategoryTonnage CommodityMarketable Coal
Proven 38.1 Mt Coal (metallurgical) 29.7 Mt
Probable 161.7 Mt Coal (metallurgical) 126 Mt
Proven & Probable 199.8 Mt Coal (metallurgical) 155.8 Mt
Measured 135.8 Mt Coal (metallurgical)
Indicated 42.5 Mt Coal (metallurgical)
Measured & Indicated 178.3 Mt Coal (metallurgical)
Inferred 25.4 Mt Coal (metallurgical)

Commodity Production Costs:

CommodityUnits2019
Total cash costs Coal (metallurgical) USD  ......  Subscription required


Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment:
HME TypeModelQuantityLeased or
Contractor
Ref. Date
Drill ....................... Subscription required ....................... Subscription required Leased Nov 30, 2018
Longwall mining unit ....................... Subscription required Nov 12, 2019
Shearer ....................... Subscription required Sep 2, 2022
Subscription required - Subscription is required.

Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 6, 2023
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Mar 31, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 6, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 6, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 5, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 5, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 5, 2023
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required 2022
Subscription required 2021
Subscription required 2020
Subscription required Subscription required Subscription required 2019
Subscription required Subscription required Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
Integrated Report 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Other 2018
Other 2018
Other 2018
Other 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Press Release 2015
Year-end Mineral Reserves 2015
Other 2011
Other 2000
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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