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Kyrgyzstan
Bozymchak Mine (East Region and Bozymchak Operation)

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 Location:
37 km SW from Ala-Buka, Kyrgyzstan

  Regional Office:
109 K. Akiev Street
Bishkek
Kyrgyzstan
720010
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WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Copper
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
Production Start...
Bozymchak mine restarted operations on 26 December 2020 after a temporary suspension from 7 October 2020, following political instability in Kyrgyzstan


Owners

Source: p. 150,188,190
CompanyInterestOwnership
KAZ Minerals 100 % Indirect
KAZ Minerals Bozymchak LLC (operator) 100 % Direct

Contractors

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Deposit Type

  • Skarn


Summary:

The Bozymchak deposits were generated by intrusion of a large granitoid stock with pinkish-grey porphyritic granites of the Dzhalgyzuriuk massif into carbonate cauntry rocks of Devonian and Carboniferous age. Devonian sediments are polymict clastics, calcareus sandstones and limestones of Frasnian-Famennian age. Carboniferous sediments are sandstones and limestones, sometimes siliceous and bituminous, of Tournaisian-Visean age and pyroclastic sedimentary rocks (andesitic and dacitic tuffs) of mid- Carboniferous age.

Mineralization is generally in skarn zones, in the form of disseminated sulphides with associated gold. The major sulphide component is chalcopyrite with lesser bornite and covellite; there is some rare presence of sphalerite and arsenopyrite. Surface oxide mineralization is only weakly developed and is primarily marked by the occurrence of malachite. The skarn mineralization is of garnet-wollastonite and garnet-pyroxene types; metamorphosis of limestone and dolomite has occurred locally to form marble and siliceous limestone. The thickness of the skarn horizon varies from a minimum of around 7 m up to 85 m.

To the east of the main central deposit sulphide zones are found which contain chalcopyrite, pyrite and pyrrhotite, with, in this zone, serpentinites which are the products of alteration of pyroxenite; some fibrous asbestos is also found.

The Bozymchak deposit comprises four sectors separated as discrete areas by faulting:


Mining Methods

  • Truck & Shovel / Loader


Summary:

The dimensions of the final pit is 350 m deep, 700m long and 300m wide, the main benches are 30 m with sub benches at the 10 m giving a total of 12 benches.


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityProductUnits2021202020192018201720162015
Copper Payable metal kt  ......  Subscription required  ......  Subscription required  ......  Subscription required7.27.57.9
Copper Concentrate kt  ......  Subscription required  ......  Subscription required33343413
Gold Payable metal koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Payable metal koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics202020192018201720162015
Ore tonnes mined  ......  Subscription required1,081 kt937 kt921 kt935 kt449 kt
Waste  ......  Subscription required3.9 Mt7.8 Mt6.7 Mt5.9 Mt4.5 Mt
Tonnes processed  ......  Subscription required1,024 kt1,002 kt1,009 kt1,034 kt
Annual mining capacity  ......  Subscription required1 Mt
Subscription required - Subscription is required.

Reserves at December 31, 2020:

CategoryTonnage CommodityGrade
Proven 4.8 Mt Copper 0.78 %
Proven 4.8 Mt Gold 1.32 g/t
Proven 4.8 Mt Silver 7.5 g/t
Probable 6.1 Mt Copper 0.74 %
Probable 6.1 Mt Gold 1.17 g/t
Probable 6.1 Mt Silver 8.8 g/t
Proven & Probable 10.9 Mt Copper 0.76 %
Proven & Probable 10.9 Mt Gold 1.23 g/t
Proven & Probable 10.9 Mt Silver 8.3 g/t
Measured 6.2 Mt Copper 0.8 %
Measured 6.2 Mt Gold 1.41 g/t
Measured 6.2 Mt Silver 8.2 g/t
Indicated 6.5 Mt Copper 0.83 %
Indicated 6.5 Mt Gold 1.37 g/t
Indicated 6.5 Mt Silver 10.2 g/t
Measured & Indicated 12.7 Mt Copper 0.82 %
Measured & Indicated 12.7 Mt Gold 1.39 g/t
Measured & Indicated 12.7 Mt Silver 9.2 g/t

Financials:

Units2016
Capital expenditures M USD 9  
Revenue M USD 88  
Operating Income M USD 40  
Gross profit M USD 88  
EBITDA M USD 52  



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Aug 12, 2022
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Staff:

EmployeesYear
Subscription required 2020
Subscription required 2016
Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Annual Report 2016
Corporate Presentation 2016
Press Release 2015
Annual Report 2014
Other 2011
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