Our business

East region

Overview

The Group owns and operates three polymetallic underground mines and associated concentrators in the East Region of Kazakhstan.

East Region Production Summary

Copper

kt (unless otherwise stated)

 

2016

2017

2018

2019

Ore extraction (kt)

3,729

2,998

2,955

2,798

         

Ore processed

3,586

3,163

3,028

2,767

Average copper grade processed (%)

2.27

2.21

   

Average recovery rate (%)

89.4 90.1 90.0 90.8

Copper in concentrate

72.8 63.0 57.7 51.4

Copper production

69.5 59.5 54.5 48.5

 

By-products

koz (unless otherwise stated)

 

2016

2017

2018

2019

Zinc bearing ore processed (kt)

3,586 3,163 3,028 2,767

Zinc grade processed (%)

2.95 2.65 2.42 2.06

Zinc in concentrate (kt)

75.4 57.6 49.7 38.3
         

Gold bearing ore processed (kt)

3,586 3,163 3,028 2,767

Gold grade processed (g/t)

0.56 0.48 0.46 0.38

Gold in concentrate

21.8 18.7 16.3 13.6

Gold production

20.4 17.6 15.3 12.9
         

Silver bearing ore processed (kt)

3,586 3,163 3,028 2,767

Silver grade processed (g/t)

45.1 40.8 40.9 35.9

Silver in concentrate

2,928 2,527 2,324 1,935

Silver production

2,705 2,300 2,114 1,761

 

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