Overview
Stage | Permitting |
Mine Type | Open Pit |
Commodities |
|
Mining Method |
- Truck & Shovel / Loader
- Dragline
|
Processing |
- Wash plant
- Dense media separation
|
Mine Life | 30 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 News | Whitehaven completes acquisition of Winchester South from Rio Tinto June 4, 2018 |
Source:
p. 33
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.
Processing
- Wash plant
- Dense media separation
Source:
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
| ......  |
* According to 2019 study.
- Subscription is required.
Reserves at August 26, 2020:
Category | Tonnage | Commodity |
Measured
|
130 Mt
|
Coal (metallurgical)
|
Indicated
|
300 Mt
|
Coal (metallurgical)
|
Measured & Indicated
|
430 Mt
|
Coal (metallurgical)
|
Inferred
|
100 Mt
|
Coal (metallurgical)
|
Mine Management:
Job Title | Name | Profile | Ref. Date |
.......................
|
.......................
|
|
Oct 28, 2020
|
- Subscription is required.
Staff:
Total Workforce | Year |
|
2019
|
Aerial view:
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