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Australia
Winchester South Project

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 Location:
38 km SE from Moranbah, Queensland, Australia

  Project Contacts:
Level 28, 259 George St
Level 28, 259 George St
New South Wales, Australia
2000
Phone  ...  Subscription required
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Coal (metallurgical)
Mining Method
  • Truck & Shovel / Loader
  • Dragline
Processing
  • Wash plant
  • Dense media separation
Mine Life30 years (as of Jan 1, 2019)
October 15, 2020 - The EIS specialist studies are now in the final stages of collation and drafting of the EIS documentation is now well progressed.
Latest NewsWhitehaven completes acquisition of Winchester South from Rio Tinto     June 4, 2018


Owners

Source: p. 33
CompanyInterestOwnership
Whitehaven Coal Ltd. 100 % Indirect

Deposit Type

  • Sedimentary


Summary:

Winchester South is located in Queensland near the township of Moranbah in the Central part of the Bowen Basin which contains numerous important coal producing intervals in the Permian stratigraphy. Coal seams are found in Late Permian Rangal Coal Measures, the Ft. Cooper Coal Measures and the Moranbah Coal Measures. The main host-rock types of these sub-groups are sandstone, siltstone with minor stratigraphic layers of conglomerate, and tuffaceous bands.

Structurally the deposit is dominated by the Winchester Syncline which has been itself affected by reverse and normal faulting.


Mining Methods

  • Truck & Shovel / Loader
  • Dragline


Summary:

Mining Factors:
- Development of this resource has assumed mining using standard large-scale mining equipment.
- The mining method is assumed to include overburden removal via conventional truck and shovel and/or dragline for the open-cut coal mining of the Rangal seams as per neighbouring deposits in the region.

At full capacity Winchester South will target ROM production of approximately 15Mtpa of predominantly high-quality metallurgical coal over a mine life of around 30 years.


Crushing and Grinding


Processing

  • Wash plant
  • Dense media separation

Source: Subscription required

Summary:

Beneficiation: when applied to coal, it is the process of separating mined coal into various density groups through mechanical and dense medium processes.

Metallurgical Factors:
- It is assumed that a combination of density separation (magnetite/water) and fines flocculation processes would be applicable for the processing of Winchester South coal. Further work is required to better understand the washability characteristics of the various seams with a focus on their size distribution given the vitrinite macerals report to the finer fractions.


Operational Metrics:

Metrics
Annual mining capacity  ......  Subscription required
* According to 2019 study.
Subscription required - Subscription is required.

Reserves at August 26, 2020:

CategoryTonnage Commodity
Measured 130 Mt Coal (metallurgical)
Indicated 300 Mt Coal (metallurgical)
Measured & Indicated 430 Mt Coal (metallurgical)
Inferred 100 Mt Coal (metallurgical)


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 28, 2020
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2018
Subscription required - Subscription is required.

News:

NewsDate
Whitehaven completes acquisition of Winchester South from Rio Tinto June 4, 2018

Aerial view:

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