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Canada
East Kemptville Project

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 Location:
45 km NE from Yarmouth, Nova Scotia, Canada

  Project Contacts:
130 Adelaide St. W, Suite 1901
Toronto
Ontario, Canada
ON M5H 3P5
Phone  ...  Subscription required
Fax416-364-5162
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StatusTemporary Suspension
Mine TypeOpen Pit
Commodities
  • Tin
  • Zinc
  • Copper
Mining Method
  • Truck & Shovel / Loader
Mine Life18.5 years (as of Jan 1, 2018)
The Avalon completed a preliminary economic assessment during fiscal 2018 with a development model of utilizing the existing tailings management area and had been in negotiation with the surface rights owner to secure full tenure to the project site. Agreement in principle was reached in Fiscal 2019, however, the surface rights owner subsequently refused to sign the agreement and denied Avalon access to the site after putting a hold on any new work on all of its closed mine sites.

The Avalon continues to retain the mineral rights through its exploration licence, and management remains optimistic that the Company will eventually be able to secure access to the site again to resume its site re-activation plans.


Owners

Source: p. 7
CompanyInterestOwnership
Avalon Advanced Materials Inc. 100 % Direct
Avalon holds a 100% interest in the East Kemptville Project.

Contractors

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Deposit Type

  • Vein / narrow vein
  • Greisen hosted


Summary:

The East Kemptville deposit is a greisen-hosted Sn-Cu-Zn-Ag-In deposit with the alteration and mineralization predominantly affecting the East Kemptville leucogranite (EKL). Three major lithologies (besides overburden) are recognized for the East Kemptville deposit. They are:
1. Leucogranite (EKL) intrusive which is primary host of the mineralization.
2. Within the Baby Zone, a contact zone which is a mineralized igneous breccia containing both metasediment and granite clasts.
3. Metasedimentary rock consisting of interbedded psammites and pelites.

Tin and base metal (Zn-Cu-Ag-W) mineralization within the deposit is primarily fine to medium-grained and is associated with northeast-trending, sub-vertical and zoned, quartztopaz, sulphide-bearing greisens, veins, and stockworks that occur primarily in the sericitesilica-topaz altered portions of the leucogranite meet the roof zone in contact with surrounding metasediments.

In many respects, the geometry of the mineralization over the areal extent of the deposit appears akin to a series of closely spaced jellyfish where the bodies represent wider zones of 51 intense fracturing and coalescing greisens near the top of the intrusion and where the tentacles represent narrower, higher-grade feeders or root zones. A structural control on the emplacement of the mineralization may help explain why some thicker (20-40 m) portions of the deposit occur at greater depths and why some thinner zones (2 ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Avalon plans to engage a locally (Eastern Canada) based mining contractor to mine material from the Rio Algom Ltd. (RAL) legacy stockpile, the Baby Zone pit and the Main Zone pit. This contractor will be responsible for supplying, operating and maintaining all mining equipment, trucks and mining related infrastructure. Avalon’s cost estimate has only budgeted for emptying the pits of both water and any sludge that may have settled on the bottom.

The mining will re-start as a continuation of the historic open pit operation using a conventional drill and blast process and conventional truck and shovel methods for material movement. Mill feed will be hauled to a small (24 h) stockpile and then reclaimed into the crusher rock box by a front-end loader. The mill treatment rate is set at 2,208 t/d (806,000 t/y) starting initially using only stockpiled material, which will then be supplemented by new feed mined from the Baby Zone Pit during production Years 2 and 3. Thereafter, mining will take place from the southern portion of the Main Zone Pit in Years 3 through 7, followed by production from two pits located in the northern portion of the Main Pit Zone in Years 7 through 14, after which the operation will be fed with the remainder of the legacy stockpile through Years 15 to 19. During Years 2 through 14 when the majority of mill feed is sourced from the pits, approximately 6 weeks’ worth of material will be scheduled from the legacy pile in order to (a) incrementally ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityProductUnitsAvg. AnnualLOM
Tin Metal in concentrate t 13,078
Tin Concentrate kt 1.324

Operational Metrics:

Metrics
Stripping / waste ratio 0.4 *
Waste tonnes, LOM 3,237,483 t *
Ore tonnes mined, LOM 9,218,329 t *
Total tonnes mined, LOM 12,455,813 t *
Daily processing rate 2,208 t *
Tonnes processed, LOM 15,088,329 t *
Annual processing capacity 806,000 t *
Mining scale, tpd 1,900 t
Processing scale, tpd 2,208 t
* According to 2018 study.

Reserves at May 7, 2018:
Cut-off grade at 0.10% Sn.
Low-Grade Stockpile Estimated Inferred Mineral Resource is as of 16 November 2015.

CategoryOreTypeTonnage CommodityGradeContained Metal
Measured In-Situ (OP) 0.58 Mt Tin 0.203 % 1,200 t
Indicated In-Situ (OP) 22.39 Mt Tin 0.152 % 34,100 t
Measured & Indicated In-Situ (OP) 22.97 Mt Tin 0.153 % 35,100 t
Inferred Stockpiles 5.87 Mt Tin 0.112 %
Inferred In-Situ (OP) 14.25 Mt Tin 0.139 % 19,800 t
Inferred Stockpiles 5.87 Mt Zinc 0.1 %
Inferred Stockpiles 5.87 Mt Copper 0.61 %

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Tin USD 12,646 / t *  
Assumed price Tin USD 21,038 / t *  
* According to 2018 study / presentation.

Operating Costs:

Units2018
OP mining costs ($/t milled) CAD 4.4 *
Processing costs ($/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
Pre-Production capital costs $M CAD  ......  Subscription required
Total CapEx $M CAD  ......  Subscription required
OP OpEx $M CAD  ......  Subscription required
Processing OpEx $M CAD 121.3
Transportation (haulage) costs $M CAD 5.4
G&A costs $M CAD 6.3
Total OpEx $M CAD  ......  Subscription required
Total Taxes $M CAD  ......  Subscription required
Gross revenue (LOM) $M CAD  ......  Subscription required
EBITDA (LOM) $M CAD  ......  Subscription required
Net 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 @ 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 July 24, 2018:
HME TypeModelQuantityLeased or
Contractor
Dozer ....................... 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 ....................... 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 Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2018
....................... Subscription required ....................... Subscription required Subscription required May 19, 2023
....................... Subscription required ....................... Subscription required Subscription required Feb 6, 2023
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Management Discussion & Analysis 2022
................................... Subscription required 2021
Preliminary Economic Assessment 2018
Press Release 2018
Press Release 2018
Press Release 2017
Press Release 2016
Press Release 2015
Subscription required - Subscription is required.

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