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Canada
Matagami (Bracemac-McLeod) Mine

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 Location:
9 km SW from Matagami, Quebec, Canada

  Address:
500 Boulevard Industriel
Matagami
Quebec, Canada
J0Y 2A0
Phone  ...  Subscription required
Fax+1-891- 819-739-4941
EmailEmail
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Zinc
  • Copper
  • Silver
  • Gold
Mining Method
  • Longhole stoping
  • Backfill
Processing
  • Flotation
Mine Life2.5 years (as of Jan 1, 2019)
Matagami mine has three active mining sites, namely the Mine Lac Matagami (MLM) site where the concentrator, the tailings site and the Bracemac-McLeod mine are located, two closed sites for restoration, namely Orchan and Persévérance, as well as five restored sites subject to regular monitoring, namely Bell- Allard, Isle-Dieu, Garon-Lake, Norita and Radiore.


Owners & OPERATOR

Source: p. 30
CompanyInterestOwnership
Glencore plc. 100 % Indirect
Glencore Canada Corp. (operator) 100 % Direct

Deposit Type

  • VMS


Summary:

The Bracemac-McLeod deposits comprise a cluster of polymetallic VMS lenses, which are generally thinner and of a more complex morphology than the historic deposits in the Matagami mining camp. All shallower deposits are now mined-out and only the McLeod Deep lens remains, which lies between depths of 980m and 1,440m. The underground diamond drilling campaign was completed in July 2019 and since September 2019 the geological model for this deposit has only been updated based on underground geological mapping. The Deep lens is now classified as a Measured Resource.


Mining Methods

  • Longhole stoping
  • Backfill


Summary:

Matagami mine includes three active mining sites, namely the Mine Lac Matagami (MLM) site where the concentrator, the tailings site and the Bracemac-McLeod mine are located, two closed sites for restoration, namely Orchan and Persévérance, as well as five restored sites subject to regular monitoring, namely Bell-Allard, Isle-Dieu, Garon-Lake, Norita and Radiore.

A first section of underground ramp 2.4 km long provides access to the Bracemac deposit. This then extends for 1.2 km to reach the McLeod deposit. By the end of the McLeod Deep lens operation, the ramp will have reached a length of approximately 10 km. The ramp portal is located in the mining pit of the Bell-Allard South site. A network of ramps allows the exploitation of the Bracemac and McLeod deposits which extend respectively from 70 m to 600 m and from 360 m to 1490 m in depth from the ground surface.

Ore mined from the Bracemac-McLeod mine is processed at the MLM site's concentrator to produce zinc and copper concentrates. Tailings are sent to the tailings site. Waste rock is used underground as a rock fill, whether cemented or not. The main infrastructures as well as the access ramp portal are located on the former Bell-Allard Sud site; an old open pit operated between 1968 and 1970.

Operations are maintained 365 days a year.


Crushing and Grinding


Processing

  • Flotation

Source: Subscription required

Summary:

The Bracemac and McLeod deposits consist of several lenses rich in zinc and copper with low silver and gold grades as well.

The extracted ore is transported by truck on a towpath to the concentrator of the Mine Lac Matagami (MLM) site.

The ore sent to the MLM site is crushed and then sent to the concentrator for processing to produce zinc and copper concentrates. The process consists of a first flotation to produce the copper concentrate. The discharges from the copper circuit are redirected to the zinc flotation circuit to produce the zinc concentrate. The concentrator tailings are deposited in the Matagami Mine tailings site.

Recoveries & Grades:

CommodityParameter201920182017201620152014
Zinc Head Grade, % 5.75.36.255.968
Copper Head Grade, % 0.70.80.911.111

Production:

CommodityUnits201920182017201620152014
Zinc kt  ......  Subscription required  ......  Subscription required51525275
Copper kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in concentrate.
Subscription required - Subscription is required.

Operational Metrics:

Metrics201920182017201620152014
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required0.94 Mt0.9 Mt1 Mt
Daily mining capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Reserves at December 31, 2019:

CategoryTonnage CommodityGrade
Proven & Probable 2.1 Mt Zinc 6 %
Proven & Probable 2.1 Mt Copper 0.9 %
Proven & Probable 2.1 Mt Silver 27 g/t
Proven & Probable 2.1 Mt Gold 0.6 g/t
Measured & Indicated 3.1 Mt Zinc 6.3 %
Measured & Indicated 3.1 Mt Copper 1 %
Measured & Indicated 3.1 Mt Silver 29 g/t
Measured & Indicated 3.1 Mt Gold 0.7 g/t


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Dec 29, 2020
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2018
................................... Subscription required 2018
Annual Report 2017
Fact Sheet 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Year-end Mineral Reserves 2015
Annual Report 2014
Year-end Mineral Reserves 2014
Year-end Mineral Reserves 2013
Feasibility Study Report 2010
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Aerial view:

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