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Australia
Vickery Extension Project

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 Location:
22 km N from Gunnedah, New South Wales, Australia

  Project Contacts:
PO Box 600
Gunnedah
New South Wales, Australia
2380
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Coal (M/T)
Mining Method
  • Truck & Shovel / Loader
Processing
  • CHPP
  • Dewatering
Mine Life25 years (as of Jan 1, 2019)
The Vickery Extension Project (Project) seeks consent to increase the approved Vickery Coal Project to operate an up to 10Mtpa open cut metallurgical and thermal coal mine, with onsite processing and rail infrastructure. On 12 August 2020, the NSW Independent Planning Commission (IPC) approved the Project.

Progress on design work for the CHPP, rail spur, and other site infrastructure continues.

16 September, 2021 - Whitehaven Coal’s Vickery extension project has been approved by the Federal Government after an exhaustive process of technical evaluation and stakeholder consultation that spanned five years.
Latest NewsWhitehaven Vickery extension gets Federal nod     September 16, 2021


Owners

Source: p. 3
CompanyInterestOwnership
Whitehaven Coal Ltd. 100 % Indirect
Vickery Coal Pty Ltd (a subsidiary of Whitehaven Coal Limited) is the applicant for the Project.

Deposit Type

  • Sedimentary


Summary:

The Project is located within the Gunnedah Basin, which contains sedimentary rocks, including coal measures, of Permian and Triassic age.

Regionally, there are two coal-bearing sequences in the Gunnedah Basin, namely:
-Early Permian Bellata Group (comprising the Maules Creek sub-basin and Mullaley sub-basin, separated by the Boggabri Ridge);
-Late Permian Black Jack Group.

The Project coal resource is located within the Maules Creek sub-basin of the Early Permian Bellata Group. The target coal seams are contained within the Maules Creek Formation. The Maules Creek Formation is the primary coal bearing unit and consists of conglomerate, coal, lithic sandstone and mudstones.

Below the Maules Creek Formation are the Goonbri and Leard Formations, which are basal units of the Gunnedah Basin sedimentary sequence and unconformably overlie the Boggabri Volcanics. The Goonbri Formation typically contains pyritic sandstone, siltstone and inferior coal seams.

Project area, including the target coal seams within the open cut extent, as follows:
- Tralee Seam;
- Gundawarra Seam;
- Welkeree Seam;
- Kurrumbede Seam;
- Shannon Harbour Seam (upper and lower seams);
- Stratford Seam (upper and lower seams);
- Bluevale Seam (upper and lower seams); and
- Cranleigh Seam (upper, middle and lower seams).

Individual coal seams range in thickness from approximately 0.5 m to greater than 3 m.

Two major fault structures are located within the Project region, namely the Boggabri Thrust (to the west of the Project) and the Mooki Thrust (to the east of the Project). There are also a number of minor faults across the Project mining area.


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Project would involve expansions to the Approved Mine open cut. Up to eight coal seams of the Maules Creek Formation would be mined, with the Cranleigh Seam generally defining the base of the open cut.

The mobile equipment used for the Project would vary according to the requirements of the open cut mining operations. It would include a combination of excavators and/or shovels and haul trucks, with a support fleet that includes dozers, scrapers, graders, front end loaders, drill rigs and water trucks.

Drill and blast techniques would be used for the removal of competent overburden and interburden material for the open cut.

Approximately 168 Mt of ROM coal would be mined over the life of the Project. By comparison, 135 Mt of ROM coal would be mined over the life of the Approved Mine.

Coal mining would involve loaders, excavators and/or shovels loading ROM coal into trucks for haulage to the ROM pad at the mine infrastructure area via internal haul roads. ROM coal would be either dumped directly into a ROM hopper feeding the CHPP, or dumped onto a ROM pad.

Landform profiling and rehabilitation of waste rock emplacement areas would be undertaken progressively over the life of the Project. Temporary rehabilitation would occasionally be undertaken to stabilise landforms until further mining operations are carried out in the future.

Project mining operations would be conducted up to 24 hours per day, seven days per week.

Annual ROM coal production rate:

- Average rate of 6.7 Mtpa over 25 years, with a peak production of up to approximately 10 Mtpa from the Project;

- Up to approximately 13 Mtpa ROM coal combined from the Project and other Whitehaven mines (to be transported by truck to the Project for processing and train loading).


Crushing and Grinding
Flow Sheet: Source
Crusher / Mill TypeModelSizePowerQuantity
Sizer 3

Summary:

ROM coal would be reclaimed from the ROM bin via a feeder/primary sizer and conveyed to the secondary/tertiary sizing station.

Sized coal would be conveyed to a raw coal surge bin or the product coal stockpile (bypass coal).

From the raw coal surge bin, coal would be fed to the coal preparation plant (CPP) for processing.


Processing

  • CHPP
  • Dewatering

Flow Sheet: Subscription required

Summary:

Over the life of the Project, additional ROM coal would be hauled from other Whitehaven mining operations to the Project CHPP by on-road haul trucks. This ROM coal would be placed on the Project ROM pad for subsequent rehandling and processing over the life of the Project.

From the raw coal surge bin, coal would be fed to the coal preparation plant (CPP) for processing. Within the CPP, raw coal would undergo wet sizing. The larger fraction would report to the Coarse Coal Circuit and the smaller fraction would report to the Fine Coal Circuit. Product coal from both circuits would be conveyed to the product coal stockpile.

Reject material from both circuits would be conveyed to the rejects bin and then co-disposed with waste rock. A portion of the fine reject material would be concentrated in a thickener and dewatered prior to conveying to the reject bin.

Product coal stockpile infrastructure would include a travelling stacker, dozers, coal valves, reclai ........


Operational Metrics:

Metrics
Annual mining capacity 10 Mt of ROM coal *
Waste tonnes, LOM 1,707 Mbcm *
Annual production capacity 11.5 Mt of coal (m/t) clean coal *
Tonnes processed, LOM 168.2 Mt of ROM coal *
Annual processing rate 13 Mt *
Annual mining rate 6.7 Mt of ROM coal *
ROM coal, LOM 168.2 Mt *
* According to 2019 study.

Reserves at August 31, 2020:

CategoryOreTypeTonnage CommodityMarketable Coal
Probable In-Situ (OP) 200 Mt Coal (M/T) 178 Mt
Measured In-Situ (OP) 230 Mt Coal (M/T)
Indicated In-Situ (OP) 165 Mt Coal (M/T)
Indicated In-Situ (UG) 95 Mt Coal (M/T)
Measured & Indicated In-Situ (OP) 395 Mt Coal (M/T)
Measured & Indicated In-Situ (UG) 95 Mt Coal (M/T)
Inferred In-Situ (OP) 110 Mt Coal (M/T)
Inferred In-Situ (UG) 135 Mt Coal (M/T)

2019 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Total CapEx $M USD  ......  Subscription required
Subscription required - Subscription is required.

Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2021
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Project Description 2018
Subscription required - Subscription is required.

News:

NewsDate
Whitehaven Vickery extension gets Federal nod September 16, 2021
Whitehaven hits production target with Maules Creek record July 16, 2021
Environment Minister must consider miners and minors July 12, 2021
Whitehaven gets green light for Vickery extension August 13, 2020

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