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Canada
Upper Beaver Project

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 Location:
14 km E from Kirkland Lake, Ontario, Canada

  Project Contacts:
72, Upper Canada Drive
Dobie
Ontario, Canada
P0K 1B0
Phone  ...  Subscription required
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  • Overview
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  • Geology
  • Mining
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  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit & Underground
Commodities
  • Gold
  • Copper
Mining Method
  • Truck & Shovel / Loader
  • Conventional underground bulk mining
  • Backfill
Mine Life14 years (as of Jan 1, 2021)
In the 1930s, Upper Beaver deposit was mined from surface to a 400-metre depth, exploiting narrow highgrade zones containing gold and copper. Agnico Eagle is planning to develop, operate and eventually reclaim a new open pit and underground, gold and copper mine and processing facility at the Upper Beaver project site.

The Federal Impact Assessment process started on September 13, 2021, when the IAAC accepted and posted the Initial Project Description on the Registry for public consultation.


Owners

Source: p. 9
CompanyInterestOwnership
Agnico Eagle Mines Ltd. 100 % Indirect
On March 28, 2018, Agnico Eagle acquired 100% of interest in the project, giving Agnico Eagle 100% ownership of Canadian Malartic Corporation’s interest of the Kirkland Lake properties (Upper Beaver is part of Kirkland Lake exploration properties).

Contractors

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Deposit Type

  • Vein / narrow vein
  • Hydrothermal
  • Intrusion related


Summary:

Upper Beaver is a gold-copper deposit that is mainly hosted in the Upper Beaver alkalic intrusive complex and the surrounding basalts it intruded, and is associated with disseminated pyrite and chalcopyrite, and magnetite-sulphide veining associated with strong magmatic-hydrothermal alteration. The mineralization occurs as elongated tabular bodies that strike northeast, dip steeply northwest and plunge 65 degrees to the northeast. The mineralization has been defined along a 400-metre strike length from surface to a depth of 1,800 metres and it remains open at depth.

Mineralization at Upper Beaver, as described by Queenston (Kontack, Dube and Benham, unpublished):
- Occurs both in flat and steeply dipping zones;
- Is of replacement-type with rare vein-type mineralization;
- Is associated with minor to pervasive alteration which includes feldspar, epidote, carbonate, sericite, silica and magnetite with trace hematite; and
- Has an element association of Cu, Au, or Au-Cu with associated molybdenum.

Queenston classifies the mineralization as three main groups of zones (from south to north):
- South Contact Zones;
- Beaver North Zones; and
- North Basalt Zones.

The South Contact Zones disseminated mineralization consists of two, relatively flat-lying zones. These occur below and south of the mine workings in the Upper Tisdale contact area, marked by the roll in the stratigraphy from a north-westerly to north-east ........


Mining Methods

  • Truck & Shovel / Loader
  • Conventional underground bulk mining
  • Backfill


Summary:

Upper Beaver is mainly an underground project that was initially planned to be developed by ramp and shaft only (underground development). However, to address a rock stability issue at surface related to the historical underground development, Agnico Eagle is proposing an open pit mine that would operate for only the first four to five years of the project.

The underground and open pit mine are proposed to operate year-round on a continuous (24-hour) basis, except for periodic maintenance and similar disruptions. Extracted ore from the mine will be transported to the surface for processing in on-site facilities. The pit will be in operation for only the first four or five years of operation. Based on the proposed processing rate and current information regarding the ore body, the life of the mine could extend 14 years or more years.

Underground Mine
The underground mine will expand on the historical / advanced exploration workings. Ore will be extracted from stopes (rooms) underground by conventional drilling and blasting. Oversized rocks will be managed through secondary blasting, use of a rock breaker and/or at an underground crushing facility, if developed. All ore will be either trucked to the surface via a ramp or transported via the shaft. Personnel will also access to the underground workings by means of the ramp but primarily by shaft.

Mineral waste associated with the mine development will be re-used to backfill the mine as prac ........


Crushing and Grinding


Processing

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Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. Annual
Gold koz 195
All production numbers are expressed as metal in doré.

Operational Metrics:

Metrics
Daily mining capacity  ......  Subscription required
Daily processing capacity  ......  Subscription required
* According to 2021 study.
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Reserves at December 31, 2021:

CategoryTonnage CommodityGradeContained Metal
Probable 7,992 kt Gold 5.43 g/t 1,395 koz
Probable 7,992 kt Copper 0.25 % 19,980 t
Proven & Probable 7,992 kt Gold 5.43 g/t 1,395 koz
Proven & Probable 7,992 kt Copper 0.25 % 19,980 t
Indicated 3,636 kt Gold 3.45 g/t 403 koz
Indicated 3,636 kt Copper 0.14 % 5,135 t
Measured & Indicated 3,636 kt Gold 3.45 g/t 403 koz
Measured & Indicated 3,636 kt Copper 0.14 % 5,135 t
Inferred 8,688 kt Gold 5.07 g/t 1,416 koz
Inferred 8,688 kt Copper 0.2 % 17,284 t



Heavy Mobile Equipment:

Mine Management:

Job TitleNamePhoneRef. Date
....................... Subscription required ....................... Subscription required Jun 15, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Jun 15, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Aug 30, 2022
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Staff:

EmployeesYear
Subscription required 2021

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
Year-end Mineral Reserves 2018
Quarterly Report 2017
Annual Report 2016
Year-end Mineral Reserves 2015
Preliminary Economic Assessment 2012
Preliminary Economic Assessment 2012
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