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Australia
Kathleen Valley Project

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 Location:
672 km NE from Perth, Western Australia, Australia

  Project Contacts:
Level 2, 1292 Hay Street
PO Box 284
West Perth
Western Australia, Australia
6001
Phone  ...  Subscription required
EmailEmail
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageConstruction
Mine TypeOpen Pit & Underground
Commodities
  • Spodumene
  • Tantalum
  • Lithium
Mining Method
  • Truck & Shovel / Loader
  • Transverse open stoping
  • Room-and-pillar
  • Cemented backfill
  • Paste backfill
Production Start...
Mine Life23 years (as of Jan 1, 2021)
The Kathleen Valley Lithium Project is a Tier-1 battery metals asset with excellent grade and scale in one of world’s best mining districts.
Latest NewsLiontown roars with Zenith power     December 20, 2022


Owners

Source: p. 7,43
CompanyInterestOwnership
Liontown Resources Ltd. 100 % Indirect
The 100%-owned Kathleen Valley Lithium Project is located on four granted Mining Licences and one Mining Licence application. The MLs have been transferred to LRL (Aust) Pty Ltd, a wholly-owned subsidiary of Liontown Resources Ltd.

Contractors

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Deposit Type

  • Pegmatite


Summary:

The Kathleen Valley Lithium Project is located on the western edge of the Norseman-Wiluna Greenstone Belt within the Archaean Yilgarn Craton of Western Australia. The belt consists of mafic and ultramafic volcanics with considerable volumes of clastic sediments, minor felsic volcanics and differentiate gabbros. The greenstones in the Kathleen Valley area have been metamorphosed to upper greenschist-lower amphibolite facies metamorphic grades and include tholeiitic lavas, differentiated gabbroic sills and ultramafic chlorite schists.

Lithium mineralisation is hosted within spodumene-bearing pegmatites, which are part of a series of lithium-caesium-tantalum (LCT)-type rare metal pegmatites that intrude mafic and sedimentary rocks in the region.

Twenty mineralised pegmatites have been identified at the Kathleen Valley Project hosted by two, outcropping, NW/SE trending pegmatite swarms – a shallowly-dipping, north-eastern swarm (Kathleen’s Corner), which contains approximately 90% of the pegmatites, and a steeper dipping south-western swarm (Mt Mann). The two swarms are interpreted to merge at depth to form a single, thick, moderately dipping mineralised body which remains open down-dip and along strike.

Most of the lithium is contained within spodumene. Small, isolated zones of petalite mineralisation have been observed in the north-western part of the deposit (this material equates to <0.5% of the resource samples).

The mineralisation ........


Mining Methods

  • Truck & Shovel / Loader
  • Transverse open stoping
  • Room-and-pillar
  • Cemented backfill
  • Paste backfill


Summary:

The proposed mining operations at Kathleen Valley will comprise both open pit and underground mining, with the underground operations providing most of the ore feed over the estimated 23-year
mine life.

The underground mine is divided into two separate mining areas:
• The Mount Mann Vertical (MMV), which comprises a 5-40m wide orebody dipping at 50° to 60° to the south-west; and
• The NorthWest Flats (NWF), which comprises multiple stacked, flat to shallow dipping pegmatite lodes that range from 4-30m thick

The mineralisation at Kathleen Valley extends from surface and would be suitable for open pit mining. High grade mineralisation is present at depth and would be suitable for underground mining.

Open Pit
Two small open pits will be developed, one at the MMV and one at the NWF. Both open pits will be used to provide long term access portals to the underground.

The open pit has been designed to supply ore for the plant in the first 1-2 years until the underground operation is ramped-up to full capacity. The open pit designs contain a total of 3.3Mt of ore, at a diluted grade of 1.2% Li2O / 141ppm Ta2O5. The pits contain 22Mt of waste material and 3.2Mt of ore for an average strip ratio of 6.8:1. Importantly most of the open pit mining is completed concurrently with the construction phase to provide ore at start-up, thereby de-risking initial operations.

Open pit mining dilution was applied usi ........


Crushing and Grinding


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. Annual
Spodumene kt 608
Tantalum kt  ......  Subscription required
All production numbers are expressed as concentrate.

Operational Metrics:

Metrics
Waste tonnes, LOM  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
Plant annual capacity  ......  Subscription required
Annual ore mining rate  ......  Subscription required
* According to 2021 study.
Subscription required - Subscription is required.

Reserves at November 11, 2021:
Mineral Resource: reported above a Li2O cut-off grade of 0.55%.
Ore Reserve: reported at Li2O cut-off grade of 0.5% (open pit) and 0.7-1.2% (Underground).

CategoryOreTypeTonnage CommodityGradeContained 
Commodity
Proven & Probable In-Situ (OP) 3.2 Mt Li2O 1.21 % 38,277 t
Proven & Probable In-Situ (UG) 65.4 Mt Li2O 1.34 % 878,966 t
Proven & Probable Total 68.5 Mt Li2O 1.54 % 917,243 t
Proven & Probable In-Situ (OP) 3.2 Mt Ta2O5 142 ppm 449 t
Proven & Probable In-Situ (UG) 65.4 Mt Ta2O5 119 ppm 7,799 t
Proven & Probable Total 68.5 Mt Ta2O5 120 ppm 8,247 t
Measured Total 20 Mt Li2O 1.3 %
Measured Total 20 Mt Ta2O5 145 ppm
Indicated Total 109 Mt Li2O 1.4 %
Indicated Total 109 Mt Ta2O5 130 ppm
Inferred Total 27 Mt Li2O 1.3 %
Inferred Total 27 Mt Ta2O5 113 ppm
Total Resource Total 156 Mt Li2O 1.4 %
Total Resource Total 156 Mt Ta2O5 130 ppm

Commodity Production Costs:

CommodityUnitsAverage
Credits (by-product) Spodumene USD  ......  Subscription required&nbs
Cash costs Spodumene USD  ......  Subscription required *†
Total cash costs Spodumene USD  ......  Subscription required *†
All-in sustaining costs (AISC) Spodumene USD  ......  Subscription required *†
Assumed price Spodumene USD  ......  Subscription required&nbs
Assumed price Tantalum USD  ......  Subscription required&nbs
* According to 2021 study / presentation.
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units2021
OP mining costs ($/t milled) AUD 28 *
UG mining costs ($/t milled) AUD  ......  Subscription required
Combined mining costs ($/t milled) AUD  ......  Subscription required
Processing costs ($/t milled) AUD  ......  Subscription required
G&A ($/t milled) AUD  ......  Subscription required
* According to 2021 study.
Subscription required - Subscription is required.

2021 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M AUD  ......  Subscription required
Expansion CapEx $M AUD  ......  Subscription required
Sustaining CapEx $M AUD  ......  Subscription required
OP OpEx $M AUD  ......  Subscription required
UG OpEx $M AUD  ......  Subscription required
Total OpEx $M AUD  ......  Subscription required
Income Taxes $M AUD  ......  Subscription required
Royalty payments $M AUD  ......  Subscription required
Gross revenue (LOM) $M AUD  ......  Subscription required
After-tax Cash Flow (LOM) $M AUD  ......  Subscription required
After-tax NPV @ 8% $M AUD  ......  Subscription required
After-tax IRR, %  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Heavy Mobile Equipment:

Mine Management:

Job TitleNamePhoneProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Feb 28, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 11, 2021
....................... Subscription required ....................... Subscription required Subscription required Nov 11, 2021
....................... Subscription required ....................... Subscription required Subscription required Oct 26, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Feb 28, 2022
....................... Subscription required ....................... Subscription required Subscription required Feb 28, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Press Release 2022
Press Release 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Press Release 2018
Annual Report 2017
Subscription required - Subscription is required.

News:

NewsDate
Liontown roars with Zenith power December 20, 2022

Subscription required - Subscription is required.

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