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Australia
Leinster Mine (Nickel West Operation)

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 Location:
11 km N from Leinster, Western Australia, Australia
  Regional Office:
125 St Georges Terrace
Perth
Western Australia, Australia
6000
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WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
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  • Filings & News
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Overview

StageProduction
Mine TypeOpen Pit & Underground
Commodities
  • Nickel
Mining Method
  • Truck & Shovel / Loader
  • Block caving
  • Sub-level caving
Production Start...
Mine Life7 years (as of Jan 1, 2022)
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.

Owners

Source: p. 203
CompanyInterestOwnershipInvestor's Info
BHP Group Ltd. 100 % Indirect
BHP Billiton Nickel West Pty Ltd. (operator) 100 % Direct
BHP Billiton Nickel West Pty Ltd is a wholly owned subsidiary of BHP Group Ltd.

Contractors

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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

  • Truck & Shovel / Loader
  • Block caving
  • Sub-level caving

Summary:

Leinster mine complex consists of Venus sub-level caving operation, B11 block caving operation, Camelot open-pit mine, Rocky’s Reward open-pit mine. Rocky’s Reward open-pit mine ceased mining in 2021. Leinster B11, BHP’s first block cave, continues development whilst producing. Ore is being hoisted to the Leinster concentrator and the undercut and drawbell development essential to this mining method are expected to be complete in CY2023.

Crushing and Grinding

Processing

Source: Subscription required

Summary:

- subscription is required.

Production:

CommodityUnits20222021202020192018
Nickel kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required299
All production numbers are expressed as concentrate.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Plant annual capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required3 Mt3 Mt3 Mt
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Reserves at June 30, 2022:
Cut-off criteria:
Mineral Resources:
OC Disseminated Sulphide - 0.40% Ni, UG Disseminated Sulphide - Variable between stratigraphic for block cave and 1.0% Ni, Oxide - 1.2% Ni.

Ore Reserves: OC - 0.40% Ni, UG - 0.90% Ni.

CategoryTonnage CommodityGrade
Proven & Probable 8 Mt Nickel 1.25 %
Total Resource 173.1 Mt Nickel 0.95 %

Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 28, 2022
....................... Subscription required ....................... Subscription required Subscription required Dec 9, 2022
....................... Subscription required ....................... Subscription required Subscription required Dec 9, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 28, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 28, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 28, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 28, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 28, 2022
Subscription required - Subscription is required.

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Press Release 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Other 2018
Annual Report 2017
Other 2017
Annual Report 2016
Annual Report 2015
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