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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
Mine Life2 years (as of Jan 1, 2018)

Owners

 
CompanyInterestOwnership
Nyrstar 100 % Indirect
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:

CommodityParameter201820172016201520142013
Zinc Recovery Rate, % 94.3959594.493.493.5
Zinc Head Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Head Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Recovery Rate, %  ......  Subscription required  ......  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  ......  Subscription required
Silver Recovery Rate, %  ......  Subscription required  ......  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 required - Subscription is required.

Production:

CommodityProductUnits201820172016201520142013
Zinc Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required747366
Zinc Metal in concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required403836
Copper Metal in concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Concentrate kt  ......  Subscription required  ......  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  ......  Subscription required
Silver Metal in concentrate koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics201820172016201520142013
Tonnes milled  ......  Subscription required  ......  Subscription required424 kt of ore511 kt of ore529 kt of ore478 kt of ore
Daily milling capacity  ......  Subscription required  ......  Subscription required2,500 t
Subscription required - Subscription is required.

Reserves at December 31, 2018:

CategoryTonnage CommodityGrade
Proven 0.66 Mt Zinc 8.02 %
Proven 0.66 Mt Copper 0.7 %
Proven 0.66 Mt Gold 0.03 g/t
Proven 0.66 Mt Silver 44.23 g/t
Proven 0.66 Mt Lead 0.24 %
Probable 0.18 Mt Zinc 7.52 %
Probable 0.18 Mt Copper 0.8 %
Probable 0.18 Mt Gold 0.06 g/t
Probable 0.18 Mt Silver 26.33 g/t
Probable 0.18 Mt Lead 0.12 %
Proven & Probable 0.85 Mt Zinc 7.91 %
Proven & Probable 0.85 Mt Copper 0.72 %
Proven & Probable 0.85 Mt Gold 0.04 g/t
Proven & Probable 0.85 Mt Silver 40.4 g/t
Proven & Probable 0.85 Mt Lead 0.21 %
Measured 1.51 Mt Zinc 10.91 %
Measured 1.51 Mt Copper 0.77 %
Measured 1.51 Mt Gold 0.05 g/t
Measured 1.51 Mt Silver 50.53 g/t
Measured 1.51 Mt Lead 0.24 %
Indicated 0.97 Mt Zinc 9.32 %
Indicated 0.97 Mt Copper 0.22 %
Indicated 0.97 Mt Gold 0.13 g/t
Indicated 0.97 Mt Silver 39.65 g/t
Indicated 0.97 Mt Lead 0.22 %
Measured & Indicated 2.48 Mt Zinc 10.29 %
Measured & Indicated 2.48 Mt Copper 0.66 %
Measured & Indicated 2.48 Mt Gold 0.08 g/t
Measured & Indicated 2.48 Mt Silver 46.29 g/t
Measured & Indicated 2.48 Mt Lead 0.23 %
Inferred 0.62 Mt Zinc 8.87 %
Inferred 0.62 Mt Copper 0.67 %
Inferred 0.62 Mt Gold 0.09 g/t
Inferred 0.62 Mt Silver 44.07 g/t
Inferred 0.62 Mt Lead 0.24 %

Operating Costs:

Units201820172016201520142013
Direct operating costs ($/t milled) USD 1331119388110133

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 - Subscription is required.

Staff:

EmployeesYear
Subscription required 2017
Subscription required 2016

Corporate Filings & Presentations:

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

Aerial view:

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