Overview

Mine Type	Open Pit & Underground
Status	Active
Commodities	Nickel
Mining Method	Truck & Shovel / Loader Sub-level caving Block caving
Production Start	...
Mine Life	...
Snapshot	Leinster underground ceased operations in 2013 and recommenced operations in 2016 with Venus sub-level cave now in operation and B11 block cave developing its undercut and draw points. Rocky’s Reward open-pit mine ceased mining in 2021.
Related Asset	Nickel West Operation

Deposit type

• Intrusion related
• Metamorphic

Summary:

Steeply dipping disseminated and massive textured nickel-sulphide mineralisation associated with metamorphosed ultramafic lava flows and intrusions.

BHP Billiton’s Leinster Nickel Operation (LNO) is located 600 km north-east of Perth in the Eastern Goldfields Region of Western Australia. The LNO deposits are situated within the Wiluna Greenstone Belt and the orebodies are hosted in Komatite Ultramafic lava flows.

Mining Methods

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Comminution

Crushers and Mills

Processing

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Production

Commodity	Units	2023	2022	2021	2020	2019	2018
Nickel	kt	....	....	....	....	244	299

Operational metrics

Metrics	2023	2022	2021	2020	2019	2018	2017	2016	2015
Plant annual capacity	....	....	....	....	3 Mt	3 Mt	3 Mt	3 Mt	3 Mt

Personnel

Job Title	Name	Profile	Ref. Date
.......................	.......................		Oct 18, 2023
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.......................	.......................		Oct 18, 2023