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Canada
Langlois Mine

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 Location:
30 km NE from Lebel-Sur-Quévillon, Quebec, Canada
  Address:
Route 1000, Km. 42 C.P. 6000
Lebel-sur-Quévillon
Quebec, Canada
J0Y 1X0
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  • Overview
  • Owners
  • Geology
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News
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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Zinc
  • Copper
  • Gold
  • Silver
  • Lead
Mining Method
  • Cut & Fill
  • Alimak
  • Longhole stoping
  • Paste backfill
Processing
  • Flotation

Owners

 
CompanyInterestOwnership
Nyrstar 100 % Indirect
Breakwater Resources Ltd. 100 % Direct
Deposit Type

  • VMS

Summary:

Langlois sulphide zones are near vertical lenses comprised primarily of sphalerite and pyrite with lesser chalcopyrite and pyrrhotite. Galena and gold are found in low quantities. There is strong geological continuity of the mineralization as demonstrated in the extensive diamond drilling and underground development.

Mining Methods

  • Cut & Fill
  • Alimak
  • Longhole stoping
  • Paste backfill

Summary:

Processing Technologies

  • Flotation

Summary:

The Langlois mine facilities include a head frame, hoisting plant, paste backfill plant, mechanical and electrical shops, a service building, a 2,500 tpd zinc/copper concentrator and a tailings pond.

Recoveries & Grades:

CommodityParameter20172016201520142013
Zinc Recovery Rate, % 959594.493.493.5
Zinc Head Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Head Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Head Grade, g/t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Head Grade, g/t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Production:

CommodityProductUnits20172016201520142013
Zinc Metal in concentrate kt  ......  Subscription required  ......  Subscription required403836
Zinc Concentrate kt  ......  Subscription required  ......  Subscription required747366
Copper Metal in concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Metal in concentrate koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Metal in concentrate koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics20172016201520142013
Tonnes milled  ......  Subscription required  ......  Subscription required511 kt of ore529 kt of ore478 kt of ore
Daily milling capacity  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Reserves at December 31, 2017:

CategoryTonnage CommodityGrade
Proven 1.14 Mt Zinc 8.24 %
Proven 1.14 Mt Copper 0.7 %
Proven 1.14 Mt Gold 0.03 g/t
Proven 1.14 Mt Silver 40.22 g/t
Proven 1.14 Mt Lead 0.2 %
Probable 1.2 Mt Zinc 6.27 %
Probable 1.2 Mt Copper 0.49 %
Probable 1.2 Mt Gold 0.08 g/t
Probable 1.2 Mt Silver 32.93 g/t
Probable 1.2 Mt Lead 0.2 %
Proven & Probable 2.34 Mt Zinc 7.23 %
Proven & Probable 2.34 Mt Copper 0.59 %
Proven & Probable 2.34 Mt Gold 0.06 g/t
Proven & Probable 2.34 Mt Silver 36.47 g/t
Proven & Probable 2.34 Mt Lead 0.2 %
Measured 2.9 Mt Zinc 8.79 %
Measured 2.9 Mt Copper 0.62 %
Measured 2.9 Mt Gold 0.05 g/t
Measured 2.9 Mt Silver 41 g/t
Measured 2.9 Mt Lead 0.19 %
Indicated 2.5 Mt Zinc 7.08 %
Indicated 2.5 Mt Copper 0.4 %
Indicated 2.5 Mt Gold 0.1 g/t
Indicated 2.5 Mt Silver 30.78 g/t
Indicated 2.5 Mt Lead 0.16 %
Measured & Indicated 5.4 Mt Zinc 8 %
Measured & Indicated 5.4 Mt Copper 0.52 %
Measured & Indicated 5.4 Mt Gold 0.07 g/t
Measured & Indicated 5.4 Mt Silver 36.27 g/t
Measured & Indicated 5.4 Mt Lead 0.18 %
Inferred 1.79 Mt Zinc 6.11 %
Inferred 1.79 Mt Copper 0.38 %
Inferred 1.79 Mt Gold 0.07 g/t
Inferred 1.79 Mt Silver 30.71 g/t
Inferred 1.79 Mt Lead 0.16 %

Operating Costs:

Units20172016201520142013
Direct operating costs ($/t milled) USD 1119388110133

Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 26, 2018
....................... Subscription required ....................... Subscription required Subscription required Sep 26, 2018
Subscription required - 'Supplier or 'Investor' subscription is required.

Staff:

EmployeesYear
Subscription required 2017
Subscription required 2016

Corporate Filings & Presentations:

Document TypeYear
................................... Subscription required 2018
................................... Subscription required 2017
................................... Subscription required 2017
................................... Subscription required 2017
................................... Subscription required 2016
................................... Subscription required 2016
................................... Subscription required 2015
................................... Subscription required 2015
Annual Report 2014
Year-end Mineral Reserves 2014
Subscription required - Subscription is required.

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