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Australia
Greenbushes Mine

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 Location:
0 km from Greenbushes, Western Australia, Australia

  Regional Office:
Level 15, 216 St Georges Terrace
Locked Bag 40, Cloisters Square
Perth
Western Australia, Australia
6000
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Lithium
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life20 years (as of Jan 1, 2022)
Greenbushes is the world’s largest lithium mining operation.The site comprises a large open-pit mine, four processing plants – three producing chemical grade lithium concentrates: Chemical Grade Plant 1 (CGP1) and Chemical Grade Plant 2 (CGP2) and the Tailings Retreatment Plant (TRP), one producing technical grade lithium concentrates, Technical Grade Plant (TGP), and associated support infrastructure.

The construction of CGP3 was approved in March 2022 following the conclusion of a front-end-engineering and design process and updated capital cost estimate. CGP3 is expected to contribute an additional 520ktpa of spodumene concentrate to the Greenbushes production profile once construction is completed in early 2025.
Latest NewsNRW subsidiary wins drill and blast contract at Talison’s Greenbushes lithium mine     January 25, 2023


Owners

Source: p. 48,184,426, 537, 693
CompanyInterestOwnership
IGO Ltd. 24.99 % Indirect
Tianqi Lithium Corp. 26.01 % Indirect
Albemarle Corp. 49 % Indirect
Talison Lithium Pty Ltd. (operator) 100 % Indirect
Talison Lithium Australia Pty Ltd.. (operator) 100 % Direct
Greenbushes is 100% owned by Talison Lithium Australia Pty Ltd.

Talison Lithium Australia is 51% owned by Tianqi Lithium Energy Australia Pty Ltd (TLEA) which is the holding company for the Tianqi Lithium (51%) and IGO (49%) JV. The remaining 49% of Talison Lithium Australia is owned by Albemarle Corp.

Tianqi Lithium and IGO holds an indirect interest in Greenbushes of 26.01% and 24.99% respectively.

Contractors

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Deposit Type

  • Pegmatite
  • Intrusion related


Summary:

The Greenbushes pegmatite deposit consists of a primary pegmatite intrusion with numerous smaller, generally linear pegmatite dikes and pods to the east. The primary intrusion and its subsidiary dikes and pods are concentrated within shear zones on the boundaries of granofels, ultramafic schists and amphibolites. The pegmatites are crosscut by ferrous-rich, mafic dolerite which is of paramount importance to the current mining methods. The pegmatite body is over 3 km long (north by northwest), up to 300 m wide (normal to dip), strikes north to north-west and dips moderately to steeply west to south-west. The syn-tectonic development of the pegmatite has given rise to mylonitic fabrics, particularly along host rock contacts.

The Greenbushes pegmatite is mineralogically segregated into five primary zones. Internally, the Greenbushes pegmatite consists of the Contact Zone, Potassium Feldspar (Potassium) Zone, Albite (Sodium) Zone, Mixed Zone and Spodumene (Lithium) Zone. The zones differ from many other rare-metal pegmatites in that they do not appear concentric, but are lenticular in nature, with inter-fingering along strike and down dip. They do not have a quartz core. The mine sequence was later subjected to the transgressive east-west dike and conformable sill dolerite intrusions.

The highest concentrations of primary ore minerals are found in specific mineralogical zones or assemblages within the pegmatite. The high-grade lodes within the main pegmatite ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Current mining at Greenbushes is based on open pit extraction using conventional hydraulic excavators and haul trucks; mining is at a rate of approximately 4.5 million bank cubic meters per annum (“Mbcmpa”). The mining activities of load and haul are carried out by mining contractor, SG Mining Pty Ltd (“SGM”), and drill and blast activities are contracted to Action Drill and Blast Pty Ltd (“ADB”); Talison provides grade control and overall pit management.

Historically there was underground and open pit mining at Greenbushes, but the mineral reserves and LoM plan are based only on open pit mining.

Open cut mining of lithium ore is currently from the Central Lode open pits, south of the Cornwall Pit. The higher grade lithium ore is mined from a distinct zone within the pegmatite on the hanging wall side of the C3 (North) zone and from the large zone within the C1 (South) zone.

The mining plan involves a series of stages, including eastern and western cutbacks of the C1 and C3 pits. The eastern cutback of C3 pit, which has commenced, is in two parts, Central and East, with the Central cutback of the east wall being taken down initially before moving to the southern wall and taking out the saddle between the C3 and C1 pits, within the area referred to as the C2 pit. During the 21-year period scheduled, the overall Central pit will have a number of staged cutbacks involving both the east and west walls as well as the mining of the Kapanga pit to ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:
Fiscal year 2022 is the period from July 1, 2021 to June 30, 2022.
Fiscal years 2015 - 2021 are the periods from January 1 to December 31 annually.

CommodityProductUnits2022202120202019201820172016
Spodumene Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required724646494
LCE kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Annual production capacity  ......  Subscription required  ......  Subscription required
Total tonnes mined  ......  Subscription required  ......  Subscription required
Ore tonnes mined  ......  Subscription required  ......  Subscription required2,505,984 t2,101,191 t1,628,678 t
Tonnes processed  ......  Subscription required  ......  Subscription required  ......  Subscription required2,408 kt2,181 kt1,629 kt
Annual processing capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
Annual mining rate  ......  Subscription required  ......  Subscription required  ......  Subscription required3.5 Mbcm
^ Guidance / Forecast.
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Reserves at August 31, 2021:
Mineral Resources
Central Lode: Talison reported the estimate using a 0.5% Li2O block model cut-off within a break-even pit optimisation shell. The cut-off grade is consistent with the operations’ process tailing grades at the time the estimate was prepared.
TSF1: Talison reported the estimate using a 0.7% Li2O block model cut-off.

Ore Reserves
Central Lode, Kapanga and stockpiles: The cut-off grade is a >=0.7% Li2O ORE model block threshold after application of key Modifying Factors such as mining, processing and product delivery cost assumptions.
TSF1: The cut-off grade is a >0.7% Li2O ORE model block threshold after application of key Modifying Factors such mining, processing and product delivery cost assumptions.

CategoryTonnage CommodityGradeRecoverable Metal
Proven 0.5 Mt Li2O 3.2 %
Proven 0.5 Mt Spodumene 0.3 Mt
Probable 179.1 Mt Li2O 2 %
Probable 179.1 Mt Spodumene 58.4 Mt
Proven & Probable 179.6 Mt Li2O 2 %
Proven & Probable 179.6 Mt Spodumene 58.7 Mt
Measured 0.5 Mt Li2O 3.2 %
Measured 0.5 Mt Spodumene 0.3 Mt
Indicated 249.4 Mt Li2O 1.8 %
Indicated 249.4 Mt Spodumene 74.2 Mt
Inferred 110.3 Mt Li2O 1 %
Inferred 110.3 Mt Spodumene 18.2 Mt
Total Resource 360.2 Mt Li2O 1.5 %
Total Resource 360.2 Mt Spodumene 92.7 Mt

Commodity Production Costs:

CommodityUnits20222021202020192018
Cash costs Spodumene AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required 188.76 / t  
Cash costs (sold) Spodumene AUD  ......  Subscription required†
Total cash costs Spodumene AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required 249.23 / t  
Total cash costs (sold) Spodumene AUD  ......  Subscription required†
† Net of By-Product.
Subscription required - Subscription is required.

Financials:

Units202320222020
Capital expenditures (planned) M AUD  ......  Subscription required
Capital expenditures M AUD  ......  Subscription required
Revenue M  ......  Subscription required  ......  Subscription required
After-tax Income M  ......  Subscription required  ......  Subscription required
EBITDA M  ......  Subscription required
Subscription required - Subscription is required



Heavy Mobile Equipment:
HME TypeModelSizeQuantityStatusLeased or
Contractor
Ref. Date
Dozer (crawler) ....................... Subscription required ....................... Subscription required Existing Leased Jun 30, 2021
....................... Subscription required ....................... Subscription required Proposed Leased Jun 30, 2022
Drill (blasthole) ....................... Subscription required Existing Leased Jun 30, 2022
Drill (blasthole) ....................... Subscription required Existing Leased Jun 30, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased Jun 30, 2022
Excavator ....................... Subscription required ....................... Subscription required Existing Leased Jun 30, 2021
Excavator ....................... Subscription required ....................... Subscription required Existing Leased Jun 30, 2021
Grader ....................... Subscription required ....................... Subscription required Existing Leased Jun 30, 2021
Loader ....................... Subscription required ....................... Subscription required Existing Leased Jun 30, 2021
Loader ....................... Subscription required ....................... Subscription required Existing Leased Jun 30, 2021
Loader - Tool Carrier ....................... Subscription required ....................... Subscription required Existing Leased Jun 30, 2021
Loader - Tool Carrier ....................... Subscription required ....................... Subscription required Existing Leased Jun 30, 2021
Truck (dump) ....................... Subscription required ....................... Subscription required Existing Leased Jun 30, 2021
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased Jun 30, 2022
Truck (service) ....................... Subscription required ....................... Subscription required Existing Leased Jun 30, 2021
Truck (water) ....................... Subscription required ....................... Subscription required Existing Leased Jun 30, 2021
Subscription required - Subscription is required.

Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required 2022
Subscription required Subscription required Subscription required 2020

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Corporate Presentation 2022
Other 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
Press Release 2017
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News:

NewsDate
NRW subsidiary wins drill and blast contract at Talison’s Greenbushes lithium mine January 25, 2023
Macmahon finalises $1.1 billion load and haul services contract for the Greenbushes lithium project January 16, 2023

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