Overview
| Stage | Production |
| Mine Type | Open Pit |
| Commodities |
- Coal (metallurgical)
- Coal (metallurgical & thermal)
|
| Mining Method |
- Truck & Shovel / Loader
- Dragline
|
| Production Start | ...  |
| Mine Life | 44 years (as of Jan 1, 2022) |
Source:
p. 26,201
BHP Mitsubishi Alliance (BMA) is owned 50:50 by BHP and Mitsubishi Development. BMA operates coal mine Peak Downs.
Contractors
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Summary:
Bituminous coal is mined from the Permian Moranbah and Rangal Coal measures. Products range from premium quality, low volatile, high vitrinite, hard coking coal to medium volatile hard coking coal, to weak coking coal, some pulverised coal injection (PCI) coal and medium ash thermal coal as a secondary product.
Moranbah Coal Measures of Late Permian age dipping at 2–12° to the east; up to eleven coal seams/major seam splits are present. They are the S, R, Q, P1, P2, Harrow Creek Upper and Lower, DysartK, Dysart Upper 1 and 2, and the Dysart Lower 2 seams. Mining is mainly confined to the Harrow Creek and Dysart seam sequences, which average 4–5m each in thickness.
Mining Methods
- Truck & Shovel / Loader
- Dragline
Summary:
Peak Downs is open-cut, using dragline and truck and shovel fleets for overburden removal.
Source:
Summary:
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Production:
| Commodity | Units | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|
Coal (metallurgical)
|
kt
| ...... | ...... | ...... | ...... | 12,700 | 12,110 | 10,062 |
All production numbers are expressed as clean coal.
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Reserves at June 30, 2022:
Cut-off criteria:
Coal Resources: 0.5m seam thickness and <35% raw ash.
Coal Reserves: 0.5m seam thickness.
| Category | Tonnage | Commodity | Marketable Coal |
|
Proven
|
749 Mt
|
Coal (metallurgical & thermal)
|
444 Mt
|
|
Probable
|
296 Mt
|
Coal (metallurgical & thermal)
|
168 Mt
|
|
Proven & Probable
|
1,045 Mt
|
Coal (metallurgical & thermal)
|
612 Mt
|
|
Measured
|
1,012 Mt
|
Coal (metallurgical)
|
|
|
Indicated
|
508 Mt
|
Coal (metallurgical)
|
|
|
Inferred
|
424 Mt
|
Coal (metallurgical)
|
|
|
Total Resource
|
1,944 Mt
|
Coal (metallurgical)
|
|
| Type | Material | Diameter | Length | Description |
| HME Type | Model | Size | Quantity | Leased or
Contractor | Ref. Date |
|
Excavator
|
.......................
|
|
.......................
|
|
Jan 21, 2019
|
|
Excavator
|
.......................
|
600 t
|
|
|
Jul 1, 2022
|
|
Excavator
|
.......................
|
800 t
|
|
|
Jul 1, 2022
|
|
Truck (dump)
|
.......................
|
|
.......................
|
|
Jan 21, 2019
|
|
Truck (haul)
|
.......................
|
|
|
|
Jul 1, 2022
|
|
Truck (haul)
|
.......................
|
|
|
|
Jul 1, 2022
|
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Corporate Filings & Presentations:
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