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New Zealand
Canterbury Mine

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 Location:
4 km NW from Coalgate, New Zealand

  Address:
Bush Gully Road Whitecliffs
PO Box 34 Darfield
Coalgate
New Zealand
7541
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Overview

StatusClosing / Closed
Mine TypeOpen Pit
Commodities
  • Coal (thermal)
Mining Method
  • Truck & Shovel / Loader
Production Start...
The Canterbury mine which closed in 2021 has been transformed through earthworks and restorative planting that have rehabilitated the site into being suitable for its former uses of pastoral farming and plantation forestry.

The mine was closed at the end of June 2021, with rehabilitation due to be complete Q1 FY23.


Owners

Source: p. 74,111
CompanyInterestOwnership
Bathurst Resources Ltd. 100 % Indirect
Bathurst Coal Ltd. (operator) 100 % Direct

Contractors

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Deposit Type

  • Sedimentary


Summary:

The project is located in the Canterbury Coalfield, Malvern Hills, New Zealand.

The defined resource is contained within the late Cretaceous to Early Paleocene aged Broken River Formation., formed during the Tertiary transgressive-regressive cycle between the Rangitata and Kaikoura Orogenys.

Overlying the coal measures is the Conway Formation, dominated by micaceous and quartz rich fine sandstones and mudstones indicative of littoral to shallow marine settings.

Pleistocene aged glacial outwash gravels and tills mask underlying stratigraphy over much of the area. Younger river gravels also dominate larger river valleys within the area.

Glacial derived windblown loess deposits mantle much of the area.

Igneous intrusions are present in the Malvern Hills area. Some contact metamorphism of coal measures has been observed with localized rank increases observed in some Canterbury coal samples, however none have been noted in the current resource area.

Generally the project area is structurally simple. Coal seams are not greatly affected by cross cutting faults. Seam dips range between 20° in the south to 50° the north of the current open pit area. In some locations it has been observed that localised slumping has caused overturning of the coal seams.

Depth of cover (DOC) varies from 0m at outcrop to over 200m at the Southeastern boundary of the model. The strike length of the deposit is in excess of 4km.


Mining Methods

  • Truck & Shovel / Loader


Summary:

It is assumed that any future mining operation would have a minimum vertical daughter seam thickness of 0.3 m as a minimum mining horizon cut-off. The current opencast operation mines some seam splits that are thinner than this.

The Canterbury Coal mine utilises truck and shovel for waste and coal movement. The operations are supported by additional equipment including dozers, graders, and water carts.

Geotechnical studies have been completed for Canterbury existing operations and will be an ongoing requirement for new pits prior to development.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2021202020192018201720162015
Coal (thermal) Mt  ......  Subscription required *  ......  Subscription required  ......  Subscription required0.10.10.10.003
All production numbers are expressed as ROM coal. * Combined production for Takitimu Mine and Canterbury Mine
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Waste  ......  Subscription required  ......  Subscription required1,773,300 bcm1,257,000 bcm824,187 bcm594,743 bcm
Coal tonnes mined  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Reserves at June 30, 2022:
Canterbury Coal reserves not declared due to mine closure.

CategoryTonnage Commodity
Measured 0.9 Mt Coal (thermal)
Indicated 1.3 Mt Coal (thermal)
Inferred 0.9 Mt Coal (thermal)
Total Resource 3.1 Mt Coal (thermal)



Heavy Mobile Equipment as of October 31, 2018:
HME TypeQuantity
Dozer ....................... Subscription required
Loader ....................... Subscription required
Truck (dump) ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 2, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 2, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Corporate Presentation 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Annual Report 2016
Annual Report 2015
Annual Report 2014
Annual Report 2013
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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