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New Zealand
Escarpment Mine

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 Location:
24 km E from Westport, New Zealand

  Regional Office:
272 Palmerston Street
PO Box 290 Westport 7866
Westport
New Zealand
7825
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Fax+64 3 788 8067
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StatusCare and Maintenance
Mine TypeOpen Pit
Commodities
  • Coal (hard coking)
Mining Method
  • Truck & Shovel / Loader
Production Start...
Escarpment is on care and maintenance, allowing it to be brought back into operation when appropriate.

The focus for FY23 is completion of the Escarpment mine planning to enable commencement of operations under a favourable pricing scenario, given the site’s high strip ratio.


Owners

Source: p. 2,13
CompanyInterestOwnership
Bathurst Resources Ltd. 100 % Indirect
Bathurst Resources Ltd. has 100% ownership in the coal tenement on the Denniston Plateau: Mining Permit 51279 (Escarpment Operation).

Contractors

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Deposit Type

  • Sedimentary


Summary:

The project is located in the Buller coalfield, New Zealand. The Denniston Plateau is a north west dipping plateau bounded to the west by the Papahaua Overfold/Kongahu Fault zone, and to the east by the Mt William Fault. The defined resource is contained within the Eocene aged Brunner Coal Measures. The coal measures consist of a fluviatile sequence of fine to very coarse sandstones, siltstone, mudstone and coal seams. The deposit generally has a single extensive seam with some localised splitting of the seam. The coal thickness can be up to 12m but generally averages 4-5m vertical thickness. The dip of the plateau reflects the dip of the coal bearing sediments with localised exposures of basement units at structural highs and within incised gullies. Little to no Quaternary deposits or soils overlay the Brunner Coal Measures with overburden generally around 40-50m. A strong trend in coal rank exists across the deposit with coal rank increasing from east to west. The main coal seam varies in thickness from less than 1m thick up to 14m thickness locally. Depth of cover varies from 0m at outcrop to over 150m at the eastern margin of the Mt William Fault. Inferred and Indicated resources include coal up to 130m below surface, while the measured resource includes coal up to 75m below surface. The deposit roughly covers a 6.5km by 4.5km area. The model is bounded by the Escarpment Fault to the south, the Waimangaroa Gorge to the north, and the Mt William Fault to the east.


Mining Methods

  • Truck & Shovel / Loader


Summary:

Production from Escarpment began in 2014 and the mine was placed in care and maintenance in May 2016.

The development of the Escarpment, Whareatea West and Sullivan Coal Resources assumes mining methods consistent with similar or other BRL open pit mining operations. The preferred mining method is conventional truck and shovel open pit mining at an appropriate bench height.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits20162015
Coal (hard coking) Mt 48,36511,851
All production numbers are expressed as ROM coal.

Operational Metrics:

Metrics20162015
Waste 374,890 bcm60,244 bcm

Reserves at June 30, 2021:
Current Mineral Resources did not changed from 2021.

Ash cut-offs applied for resource reporting is 25%.

CategoryTonnage Commodity
Measured 1.9 Mt Coal (hard coking)
Indicated 1.2 Mt Coal (hard coking)
Inferred 0.7 Mt Coal (hard coking)



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 4, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 4, 2022
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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
Annual Report 2018
Year-end Mineral Reserves 2018
Annual Report 2016
Annual Report 2015
Subscription required - Subscription is required.

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