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Canada
Separation Rapids Project

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 Location:
55 km N from Kenora, Ontario, Canada

  Project Contacts:
130 Adelaide St. W, Suite 1901
Toronto
Ontario, Canada
M5H 3P5
Phone  ...  Subscription required
Fax1-416-364-5162
EmailEmail
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Lithium
  • Petalite
  • Lepidolite
  • Feldspar
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life18.5 years (as of Jan 1, 2018)
Separation Rapids Lithium Project has the potential to produce high-purity lithium compounds for two distinct markets: a specialty mineral product for high-strength glass-ceramics and lithium battery materials, notably lithium hydroxide.
Latest NewsAvalon Reports Drill Results from 2022-2023 Exploration Program at Separation Rapids     June 1, 2023


Owners

Source: p. 2
CompanyInterestOwnership
Avalon Advanced Materials Inc. 100 % Indirect
The Separation Rapids property consists of nineteen mineral claims and one mining lease covering a combined area of approximately 4,414 hectares (10,910 acres) in the Paterson Lake Area, Kenora Mining Division, Ontario, all of which are owned 100% by Avalon.

Contractors

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Deposit Type

  • Pegmatite


Summary:

The Separation Rapids Lithium Deposit (SRLD) is underlain predominantly by a mafic metavolcanic sequence, consisting of flows, tuffs, subordinate epiclastic metasediments and rare iron formation horizons and rhyolites.

The drill tested portion is about 750 m in strike length, of which about 300 m is considerably thicker and thus contains the bulk of the presently defined mineral resource. The further continuation of the pegmatite 450 m to the west is thinner and has a few shallow drill holes. This thin portion, drilled in the past, has been informally referred to as Bob’s Pegmatite.

There is yet further extension of the thinner pegmatite in sparse outcrops to the west for approximately 400 m, referred to normally as the “Western Pegmatite”.

The thickest part of the SRLD, historically referred to as the Big Whopper Pegmatite, forms a large lens-shaped body approximately 400 m long and approximately 70 m at its widest part.

The SRLD narrows to less than 20 m at both its eastern and western ends, and extends along strike in both directions for at least 300 m in the form of relatively narrow tails up to 10 to 15 m wide. Smaller, subparallel, 1 m to 10 m wide, petalite-bearing pegmatite bodies predominantly occur to the northeast, north and northwest of the main SRLD body, with minor occurrences on the southern flank.

The narrower west-southwest-striking zone of petalite pegmatites extends from the main SRLD for a distance of ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The proposed method of mining is by conventional open pit methods using drilling and blasting, loading with excavators and shovels and hauling with rigid dump trucks. Waste from the pit will initially be composed of overburden and will be dumped in the topsoil stockpile. As the pit is developed harder waste rock will be excavated and will be stored on separate waste dumps.

The Project will be undertaken by contractor-operated equipment and labour. Preproduction waste rock will be used to construct site roads, including the main haul roads and will also be used for the construction of tailing, concentrate and settling basin dam walls.

A conceptual production schedule has been produced using MineSched™ software. The production schedule is based on mining 475,000 t/y of petalite and lepidolite mineralized material. The life of the mine is expected to be 19 years with approximately 6.2 Mt of petalite material at 1.39% Li2O and 2.4 Mt of lepidolite mineralization at 1.41% Li2O mined over the length of the Project.

A conceptual pit design was conducted from the bottom up using the design parameters and the optimum pit shell 15 as a template. The bench to bench face angle of 80 degrees, with a 10 m bench and a 6 m wide safety berm was applied every 20 m. A haul road width of 15 m was used from the pit base (75 level) to the surface, on the assumption that two-way traffic would be operating in the whole of the mine.

Pit Design Parameters:


Crushing and Grinding
Source: Subscription required

- subscription is required.


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Petalite kt 731,323
Lepidolite kt  ......  Subscription required  ......  Subscription required
Feldspar kt  ......  Subscription required  ......  Subscription required
All production numbers are expressed as concentrate.

Operational Metrics:

Metrics
Stripping / waste ratio 6.11 *
Waste tonnes, LOM 52,344,381 t *
Ore tonnes mined, LOM 8,567,928 t *
Total tonnes mined, LOM 60,912,309 t *
Tonnes milled, LOM 8,413,705 t *
Annual processing capacity 475,000 t *
Reject, LOM 154,223 t *
Annual ore mining rate 475,000 t *
Mining scale, tpd 9,000 t
* According to 2018 study.

Reserves at May 23, 2018:
Mineral Resource Estimate at 0.6% Li2O Cut-off Grade.

CategoryTonnage CommodityGrade
Measured 3.364 Mt Ta2O5 0.006 %
Measured 3.364 Mt Li2O 1.431 %
Measured 3.364 Mt Cs2O 0.015 %
Measured 3.364 Mt Rb2O 0.365 %
Indicated 5.041 Mt Ta2O5 0.007 %
Indicated 5.041 Mt Li2O 1.393 %
Indicated 5.041 Mt Cs2O 0.014 %
Indicated 5.041 Mt Rb2O 0.366 %
Measured & Indicated 8.405 Mt Ta2O5 0.007 %
Measured & Indicated 8.405 Mt Li2O 1.408 %
Measured & Indicated 8.405 Mt Cs2O 0.015 %
Measured & Indicated 8.405 Mt Rb2O 0.365 %
Inferred 1.791 Mt Ta2O5 0.007 %
Inferred 1.791 Mt Li2O 1.349 %
Inferred 1.791 Mt Cs2O 0.018 %
Inferred 1.791 Mt Rb2O 0.365 %

Commodity Production Costs:

CommodityUnitsAverage
Cash costs (sold) Feldspar USD 83 / t *  
Cash costs (sold) Petalite USD 516 / t *  
* According to 2018 study / presentation.

Operating Costs:

Units2018
OP mining costs ($/t mined) CAD 5.52 *
OP mining costs ($/t milled) CAD  ......  Subscription required
G&A ($/t milled) CAD  ......  Subscription required
Total operating costs ($/t milled) CAD  ......  Subscription required
* According to 2018 study.
Subscription required - Subscription is required.

2018 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M CAD  ......  Subscription required
Closure costs $M CAD  ......  Subscription required
OP OpEx $M CAD  ......  Subscription required
G&A costs $M CAD 33.8
Total OpEx $M CAD  ......  Subscription required
Total Taxes $M CAD  ......  Subscription required
Gross revenue (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 @ 8% $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 September 26, 2018:
HME TypeModelSizeQuantityLeased or
Contractor
Backhoe ....................... Subscription required 12 cu. m ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 21, 2018
....................... Subscription required ....................... Subscription required Subscription required Aug 21, 2018
....................... Subscription required ....................... Subscription required Subscription required May 19, 2023
....................... Subscription required ....................... Subscription required Subscription required May 19, 2023
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Corporate Presentation 2022
Corporate Presentation 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
Preliminary Economic Assessment 2018
Preliminary Economic Assessment 2016
Subscription required - Subscription is required.

News:

NewsDate
Avalon Reports Drill Results from 2022-2023 Exploration Program at Separation Rapids June 1, 2023

Subscription required - Subscription is required.

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