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Canada
Kudz Ze Kayah Project

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 Location:
190 km NW from Watson Lake, Yukon, Canada

  Project Contacts:
2900-550 Burrard Street
Vancouver
British Columbia, Canada
V6C 1H2
Phone  ...  Subscription required
Fax+1-778-379-9263
WebsiteWeb
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  • Overview
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  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
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  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit & Underground
Commodities
  • Silver
  • Zinc
  • Gold
  • Copper
  • Lead
Mining Method
  • Underhand stoping
  • Truck & Shovel / Loader
  • Longhole stoping
  • Cemented backfill
Mine Life9 years (as of Jan 1, 2020)


Owners

Source: p. 4,18
CompanyInterestOwnership
BMC (UK) Limited 100 % Indirect
BMC MINERALS (No. 1) LTD, is 100% owner of the Kudz Ze Kayah Project (the “Project”) located in southeast Yukon, Canada.

BMC UK, through its wholly owned Canadian subsidiary BMC MINERALS (No. 1) LTD, purchased the KZK Project from Teck Resources Limited (“Teck”) on 14th January 2015.

Contractors

Subscription required - Subscription is required.


Deposit Type

  • VMS


Summary:

Deposit Geology
The Project area, comprising the Kudz Ze Kayah claim blocks within which the ABM deposit is located, encompasses units of the Grass Lakes group. The surface geology of the property was initially mapped by Cominco in 1996 at 1:20,000 scale (Schultz & Hall, 1997) and subsequently by BMC at 1:20,000 scale in 2017 (Baker et al., 2017).

The ABM deposit (comprising the ABM Zone and Krakatoa Zone) primarily comprises continuous, shallowdipping massive sulphide mineralization hosted within a thick felsic package of volcaniclastics and coherent sill/flow complex that locally make up the Kudz Ze Kayah formation.

Massive sulphide of the ABM Zone is hosted within a felsic rock package, whereas the Krakatoa Zone is predominantly hosted by a pre-mineralization mafic sill located within the felsic volcanic package. Mineralization at Krakatoa also occurs in the felsic hangingwall units stratigraphically overlying the mafic sill, in what is broadly interpreted to be the equivalent of the ABM mineralized position. Only scattered vein-style and disseminated mineralization occurs within the mafic sill lying stratigraphically below the ABM Zone.

The upper limits of the ABM and Krakatoa Zones are truncated near surface and overlain by glaciofluvial sediments. The massive sulphide mineralization at ABM occurs under approximately 2– 20 m of glaciofluvial overburden and is up to approximately 30 m in true thickness, whereas the Krakatoa Zone occur ........


Mining Methods

  • Underhand stoping
  • Truck & Shovel / Loader
  • Longhole stoping
  • Cemented backfill


Summary:

Pursuant to the mining plan contained in the Feasibility Study the majority of the ABM Deposit will be mined by open pit mining methods. It is expected that a single pit will be mined, with mining of the ABM Zone comprising four separate stages, and with the Krakatoa Zone mined in a single stage. A total of 14.0 Mt of ore and 138.4 Mt of waste will be mined by open pit mining methods, for an expected average LOM strip ratio of 9.9:1. The Stage One ABM Zone pit has an expected strip ratio of 6:1, in order to facilitate a rapid payback of pre-production capital.

Open Pit Mining
The open pit optimization evaluated several slope sets based on D&S recommendations, but primarily allowing for haul roads to be placed on the hanging wall or the foot wall of the main mineralization.

The Krakatoa pit will be mined as a single stage, as the pit is small and mined near the end of the project life. A portion of the waste material in the Krakatoa pit will be mined early to create a lay down and portal staging area for the planned underground operation. The remainder of the pit is planned to be mined toward the end of the project and concurrently with underground mining.

The ABM Zone dips to the northeast. The deposit, on the surface, is confined by the valley running approximately north to south, and the pit will mine both sides of the valley hills. The main ramp entrance was placed on the north side of the ABM pit, at the lowest point possible, to min ........


Crushing and Grinding
Source: Subscription required

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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityProductUnitsAvg. AnnualLOM
Silver Metal in concentrate M oz 7.860
Zinc Metal in concentrate kt  ......  Subscription required  ......  Subscription required
Zinc Concentrate kt  ......  Subscription required  ......  Subscription required
Gold Metal in concentrate koz  ......  Subscription required  ......  Subscription required
Copper Metal in concentrate kt  ......  Subscription required  ......  Subscription required
Copper Concentrate kt  ......  Subscription required  ......  Subscription required
Lead Metal in concentrate kt  ......  Subscription required  ......  Subscription required
Lead Concentrate kt  ......  Subscription required  ......  Subscription required

Operational Metrics:

Metrics
Stripping / waste ratio  ......  Subscription required
Daily ore mining rate  ......  Subscription required
Waste tonnes, LOM  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
Plant annual capacity  ......  Subscription required
Tonnes processed, LOM  ......  Subscription required
Annual ore mining rate  ......  Subscription required
* According to 2020 study.
Subscription required - Subscription is required.

Reserves at June 30, 2019:
Open pit Mineral Reserves are reported within a designed open pit to a Net Smelter Return (NSR) cutoff of C$29.30/tonne.

Underground Mineral Reserves are based on an underhand longhole stoping with cemented paste fill mining method and reported to a NSR cut-off of C$173/tonne.

CategoryOreTypeTonnage CommodityGradeContained Metal
Probable 15.7 Mt Silver 138 g/t 69.5 M oz
Probable 15.7 Mt Zinc 5.8 % 915 kt
Probable 15.7 Mt Gold 1.3 g/t 665.8 koz
Probable 15.7 Mt Copper 0.9 % 135.8 kt
Probable 15.7 Mt Lead 1.7 % 265.7 kt
Indicated In-Situ (OP) 18.1 Mt Silver 148.46 g/t 86.4 M oz
Indicated In-Situ (UG) 0.2 Mt Silver 170 g/t 0.9 M oz
Indicated In-Situ (OP) 18.1 Mt Zinc 6.2 % 1,122 kt
Indicated In-Situ (UG) 0.2 Mt Zinc 6.1 % 10.5 kt
Indicated In-Situ (OP) 18.1 Mt Gold 1.41 g/t 818 koz
Indicated In-Situ (UG) 0.2 Mt Gold 1.7 g/t 9.2 koz
Indicated In-Situ (OP) 18.1 Mt Copper 0.9 % 162.3 kt
Indicated In-Situ (UG) 0.2 Mt Copper 1 % 1.7 kt
Indicated In-Situ (OP) 18.1 Mt Lead 1.89 % 342.3 kt
Indicated In-Situ (UG) 0.2 Mt Lead 2 % 3.5 kt
Inferred In-Situ (OP) 0.4 Mt Silver 124.4 g/t 1.6 M oz
Inferred In-Situ (UG) 0.4 Mt Silver 165 g/t 2.1 M oz
Inferred In-Situ (OP) 0.4 Mt Zinc 5.1 % 20.3 kt
Inferred In-Situ (UG) 0.4 Mt Zinc 9.5 % 37.5 kt
Inferred In-Situ (OP) 0.4 Mt Gold 1.14 g/t 14.7 koz
Inferred In-Situ (UG) 0.4 Mt Gold 1.2 g/t 14.9 koz
Inferred In-Situ (OP) 0.4 Mt Copper 1.2 % 4.8 kt
Inferred In-Situ (UG) 0.4 Mt Copper 0.8 % 3.2 kt
Inferred In-Situ (OP) 0.4 Mt Lead 1.75 % 7 kt
Inferred In-Situ (UG) 0.4 Mt Lead 1.6 % 6.3 kt

Commodity Production Costs:

CommodityUnitsAverage
Credits (by-product) Silver USD  ......  Subscription required&nbs
Site cash costs (produced) Silver USD  ......  Subscription required&nbs
All-in sustaining costs (AISC) Zinc USD  ......  Subscription required *†
All-in sustaining costs (AISC) Silver USD  ......  Subscription required *†
C1 cash costs Zinc USD  ......  Subscription required *†
C1 cash costs Silver USD  ......  Subscription required *†
Assumed price Lead USD  ......  Subscription required&nbs
Assumed price Zinc USD  ......  Subscription required&nbs
Assumed price Copper USD  ......  Subscription required&nbs
Assumed price Silver USD  ......  Subscription required&nbs
Assumed price Gold USD  ......  Subscription required&nbs
* According to 2020 study / presentation.
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units2020
OP mining costs ($/t mined) CAD 3.98 *
UG mining costs ($/t mined) CAD  ......  Subscription required
OP 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 2020 study.
Subscription required - Subscription is required.

2020 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M USD  ......  Subscription required
Equipment leasing costs $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
Closure costs $M USD  ......  Subscription required
Total CapEx $M USD  ......  Subscription required
OP OpEx $M USD  ......  Subscription required
UG OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 265
G&A costs $M USD 132
Total OpEx $M USD  ......  Subscription required
Mining Taxes $M USD  ......  Subscription required
Income Taxes $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
Net revenue (LOM) $M USD  ......  Subscription required
Operating margin, %  ......  Subscription required
EBITDA (LOM) $M USD  ......  Subscription required
After-tax NPV @ 7% $M USD  ......  Subscription required
After-tax IRR, %  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of October 30, 2020:
HME TypeModelSizeQuantityLeased or
Contractor
Compactor ....................... Subscription required ....................... Subscription required Leased
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Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 30, 2020
....................... Subscription required ....................... Subscription required Subscription required Sep 13, 2021
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2020

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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