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Canada
Whabouchi Project

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 Location:
222 km NW from Chibougamau, Quebec, Canada

  Project Contacts:
1250, Boulevard René-Lévesque Ouest Suite 2200
Montréal
Quebec, Canada
H3B 4W8
Phone  ...  Subscription required
Fax819 533-0085
EmailEmail
WebsiteWeb
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Overview

StagePermitting
Mine TypeOpen Pit & Underground
Commodities
  • Lithium
  • Spodumene
Mining Method
  • Truck & Shovel / Loader
  • Longhole stoping
  • Paste backfill
Mine Life33 years (as of Jan 1, 2019)
Nemaska, a fully integrated hydroxide project located in Québec, Canada has largely completed all project engineering work and begun ordering important long lead items required for construction that is slated to begin in early 2023.


Owners

Source: p. 15
CompanyInterestOwnership
Livent Corp. 50 % Indirect
On June 6, 2022, Livent closed on the Transaction Agreement and Plan of Merger with The Pallinghurst Group to provide Livent with a direct 50% ownership interest in the Nemaska Project.

The Canadian government, through Investissement Québec (“IQ”), will continue to own the remaining 50% interest in the Nemaska Project.

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Pegmatite


Summary:

The Whabouchi deposit is a lithium-bearing rare metal pegmatite. Emplacement of rare metal pegmatites is the last phase of the crystallization of a parent granite pluton. Highpressure residual fluids, with abundant water, silica, alumina, alkalis, and rich in rare elements and other volatiles from the crystallization of a pluton at modest depth, concentrate in the cupola or upper domed contact of the granite as it crystallizes. Under increasing pressure, this fluid dilates fractures in overlying rocks in a manner analogous to that of hydraulics in mechanical equipment, thereby providing feeder channels for emplacement of pegmatites at shallower depth. Progressive crystallization of the main rock-forming minerals out of this fluid enriches the final fluids in rare metals and the process culminates in the formation of rare metal pegmatites still under fluid pressure. A variety of types occur depending on the abundance and type of rare metals associated with the pluton and the physico-chemical conditions affecting the sequence of emplacement events.

The mineralization of economic interest at the Whabouchi site is found in spodumenebearing
rare metal bearing pegmatite dyke complexes. Spodumene is a lithium-bearing mineral, which contains 8 % Li2O when pure. Spodumene also contains minor amounts of niobium and tantalum. Assays for spodumene normally range between 7.6 % and 8.0 % Li2O depending on the degree of replacement by Na2O. Typically, the Whabouchi pegmatit ........


Mining Methods

  • Truck & Shovel / Loader
  • Longhole stoping
  • Paste backfill


Summary:

Open Pit Mining:
The mining method selected for the Project will be a conventional open pit, truck and shovel, drill and blast operation. Vegetation, topsoil and overburden will be stripped and stockpiled for future reclamation use. The ore and waste rock will be mined with 10 m high benches, drilled, blasted and loaded into heavy duty off-road haul trucks with hydraulic excavators.

A topsoil and overburden stockpile has been designed 100 m to the east of the pit ramp exit, to the south of the concentrator. Material that will be placed in this stockpile will be used for future reclamation.

The waste rock excavated from the open pit will be hauled to and placed with the tailings in the codisposal storage facilities.

The mine plan is based on an annual production of 215,022 tonnes of concentrate, which is equivalent to a Run-of-Mine (“ROM”) production of 1.03 Mt/y. The total material mined per year during the 24-year life of the open pit mine ranges from 0.26 Mt in pre-production to a maximum of 5.3 Mt in Year 10. The average annual diluted grade of Li2O varies between 1.47 % to 1.59 % during the 24-year period.

The mine equipment fleet for the open pit includes six (6) 64-tonne haul trucks, two (2) hydraulic excavators with 6 m3 buckets, two (2) diesel powered down the hole track drills that will drill 114 mm (4.5") holes as well as a fleet of support and service equipment. Blasting will be carried out using bulk emulsion with ........


Crushing and Grinding
Source: Subscription required

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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityProductUnitsAvg. AnnualLOM
Lithium Hydroxide t 37,0001,032,748
Spodumene Concentrate kt  ......  Subscription required  ......  Subscription required

Operational Metrics:

Metrics
Stripping / waste ratio 2.95 *
Waste tonnes, LOM 75.2 Mt *
Ore tonnes mined, LOM 36,594,397 t *
* According to 2019 study.

Reserves at June 30, 2019:
The Open Pit Mineral Reserves are above a cut-off grade of 0.4% Li2O.
The Open Pit Mineral Resource cut-off grade at 0.30% Li2O.
The Underground Mineral Resource cut-off grade at 0.60% Li2O.

CategoryOreTypeTonnage CommodityGrade
Proven In-Situ (OP) 18.3 Mt Li2O 1.41 %
Proven In-Situ (UG) 0.7 Mt Li2O 1.42 %
Proven Total 36.6 Mt Li2O 1.3 %
Probable In-Situ (OP) 9.6 Mt Li2O 1.18 %
Probable In-Situ (UG) 8 Mt Li2O 1.2 %
Probable Total 17.6 Mt Li2O 1.19 %
Proven & Probable In-Situ (OP) 27.9 Mt Li2O 1.33 %
Proven & Probable In-Situ (UG) 8.7 Mt Li2O 1.21 %
Proven & Probable Total 36.6 Mt Li2O 1.3 %
Measured & Indicated In-Situ (OP) 38,266,000 t Li2O 1.45 %
Measured & Indicated In-Situ (UG) 274,000 t Li2O 1.13 %
Inferred In-Situ (OP) 11,745,000 t Li2O 1.27 %
Inferred In-Situ (UG) 5,413,000 t Li2O 1.32 %

Commodity Production Costs:

CommodityAverage
Cash costs Spodumene  ......  Subscription required&nbs
Total cash costs LiOH-H2O  ......  Subscription required&nbs
Assumed price LiOH-H2O  ......  Subscription required *
Assumed price Spodumene  ......  Subscription required *
* According to 2019 study / presentation.

Operating Costs:

Units2019
OP mining costs ($/t mined) CAD 6.88 *
UG mining costs ($/t mined) CAD  ......  Subscription required
Combined mining costs ($/t milled) CAD  ......  Subscription required
Processing costs ($/t milled) CAD  ......  Subscription required
G&A ($/t milled) CAD  ......  Subscription required
Total operating costs ($/t milled) CAD  ......  Subscription required
* According to 2019 study.
Subscription required - Subscription is required.

2019 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M CAD  ......  Subscription required
Sustaining CapEx $M CAD  ......  Subscription required
Closure costs $M CAD  ......  Subscription required
Total CapEx $M CAD  ......  Subscription required
UG OpEx $M CAD  ......  Subscription required
OP/UG OpEx $M CAD  ......  Subscription required
Processing OpEx $M CAD 776.3
G&A costs $M CAD 252.2
Total OpEx $M CAD  ......  Subscription required
Total Taxes $M CAD  ......  Subscription required
Royalty payments $M CAD  ......  Subscription required
Net revenue (LOM) $M CAD  ......  Subscription required
Net Operating Income (LOM) $M CAD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M CAD  ......  Subscription required
After-tax Cash Flow (LOM) $M CAD  ......  Subscription required
Pre-tax NPV @ 10% $M CAD  ......  Subscription required
Pre-tax NPV @ 8% $M CAD  ......  Subscription required
After-tax NPV @ 10% $M CAD  ......  Subscription required
After-tax NPV @ 8% $M CAD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of May 31, 2019:
HME TypeModelSizeQuantityLeased or
Contractor
Backhoe ....................... Subscription required 12 t ....................... Subscription required
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Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 14, 2022
....................... Subscription required ....................... Subscription required Subscription required May 31, 2019
....................... Subscription required ....................... Subscription required Subscription required May 31, 2019
....................... Subscription required ....................... Subscription required Subscription required May 31, 2019
....................... Subscription required ....................... Subscription required Subscription required Nov 14, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 14, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Quarterly Report 2022
Quarterly Report 2022
................................... Subscription required 2019
Management Discussion & Analysis 2018
Press Release 2018
Feasibility Study Report 2017
Feasibility Study Report 2017
Feasibility Study Report 2016
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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