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Sweden
Aitik Mine

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 Location:
14 km SE from Gällivare, Sweden
  Address:
Sakajärvi 1
Gällivare
Sweden
982 92
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  • Overview
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  • Mining
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  • Fleet
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Copper
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2047
Aitik mine - the world’s most productive open-pit copper mine. In Aitik, ore haulage has been automated to a high degree, which provides conditions for large-scale production while also ensuring a safe workplace with good climate performance.

The mining area consists of Aitik and Salmijärvi open pits.

Boliden AB received an environmental permit for the Liikavaara satellite mine and expects to begin production at the end of 2023 year.

Owners

Source: p. 10
CompanyInterestOwnership
Boliden AB 100 % Indirect
Boliden Mineral AB (operator) 100 % Direct
Boliden Mineral AB owns 100 % of the Aitik mine.

Contractors

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Deposit Type

  • Porphyry
  • IOCG
  • Hydrothermal

Summary:

The Aitik, Salmijärvi, and Aitik East deposits occur along a largely continuous elongate mineralized trend (the Aitik-Salmijärvi mineralization) stretching approximately 5 km along strike from north to south averaging about 500 m in width.

Host rocks of the mineralization at the Aitik deposit consist mainly of paleo-proterozoic (ca. 1.89 billion years) muscovite schists, biotite gneisses, and amphibole-biotite gneisses of volcanic and volcanoclastic origin, crosscut locally by diorite intrusive units. In places the diorite intrusive make up a significant proportion of the mineralized volume, but typically at lower than average grade. Foliation is well developed in the host rocks, dipping at about 50 degrees to the west. The mineralization is mainly structurally controlled and the main mineralisation; Aitik is delineated by a hangingwall thrust and a footwall shear. Main sulfide minerals in the deposit are chalcopyrite, pyrite and pyrrhotite, with significant accessory minerals including magnetite, molybdenite and sulfates. The entire package has been metamorphosed to amphibolite grade resulting in significant recrystallization and coarsening of both sulfide and silicate minerals. Late granite pegmatite dikes crosscut the mineralized host rocks and are generally weakly mineralized to barren.

Mineralization at the Salmijärvi and Aitik East deposits is very similar in nature to the Aitik deposit, with the exception that host rocks are strongly dominated by ........

Mining Methods

  • Truck & Shovel / Loader

Summary:

Aitik is a Palaeoproterozoic porphyry Cu-Au-Ag deposit, mined as open pit mine consisting of two active pits: Salmijärvi and Aitik. There are also plans to start a third open pit operation in Liikavaara, a satellite, Palaeoproterozoic Cu-(W-Au) deposit, situated 3 km east of Aitik. The mining in Aitik is commenced at three pushbacks designated S3, N6 and N7. Salmijärvi has one active pushback called SA2.

The ore is mined in two open pits along the same mineral deposit. The main pit is called Aitik and measures 4 km by 1.1 km at the surface, with the deepest point currently at 555 meters from the surface. In 2010, mining commenced in a second pit called Salmijärvi which has currently reached a depth of 285 meters below the surface, with a surface footprint of 0.9 by 0.6 km. The main pit will be expanded in all directions with five new pushbacks. Mining of pushback S3 in the southern part of the main pit started in 2016. Pre-stripping of pushback N7 commenced in 2019 to allow mining to start during 2020. No further expansions are planned for the Salmijärvi pit after the current pushback, which will be depleted during early 2023.

The ore and waste rock are blasted in 15-meter-high benches and are loaded on 300 tons capacity-size trucks by large rope shovels or hydraulic excavators. Ore from the deeper parts of the main pit is fed to one of two in-pit-crushers, while ore from pushbacks near the surface and the Salmijärvi pit is transported to a surface crush ........

Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityProductUnits2022202120202019201820172016
Copper Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required219216157
Copper Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required404394320
Gold Metal in concentrate oz  ......  Subscription required  ......  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 required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required41,661 kt
Waste  ......  Subscription required  ......  Subscription required
Total tonnes mined  ......  Subscription required  ......  Subscription required
Tonnes milled  ......  Subscription required  ......  Subscription required41,661 kt40,661 kt38,472 kt39,045 kt
Annual processing capacity  ......  Subscription required  ......  Subscription required45 Mt
Subscription required - Subscription is required.

Reserves at December 31, 2022:

CategoryTonnage CommodityGrade
Proven 126,000 kt Copper 0.17 %
Proven 126,000 kt Gold 0.08 g/t
Proven 126,000 kt Silver 1 g/t
Probable 1,005,000 kt Copper 0.24 %
Probable 1,005,000 kt Gold 0.17 g/t
Probable 1,005,000 kt Silver 1.3 g/t
Proven & Probable 1,131 Mt Copper 0.23 %
Proven & Probable 1,131 Mt Gold 0.16 g/t
Measured 154,000 kt Copper 0.14 %
Measured 154,000 kt Gold 0.06 g/t
Measured 154,000 kt Silver 0.6 g/t
Indicated 581,000 kt Copper 0.18 %
Indicated 581,000 kt Gold 0.12 g/t
Indicated 581,000 kt Silver 0.9 g/t
Inferred 412,000 kt Copper 0.17 %
Inferred 412,000 kt Gold 0.08 g/t
Inferred 412,000 kt Silver 0.8 g/t

Commodity Production Costs:

CommodityUnits202220212020201920182017
C1 cash costs Copper USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 0.77 / lb†   0.82 / lb†  
† Net of By-Product.
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Financials:

Units2022202120202019201820172016
Capital expenditures M SEK  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,576   1,534   1,174  
Revenue M SEK  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 6,017   5,487   3,273  
Operating Income M SEK  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 2,494   2,073   222  
Subscription required - Subscription is required

Pipelines
TypeMaterialDiameterLengthDescription

Heavy Mobile Equipment:
HME TypeModelSizeQuantityStatusRef. Date
Drill ....................... Subscription required Existing Dec 31, 2012
Excavator ....................... Subscription required ....................... Subscription required Existing Jan 25, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Jan 25, 2022
Loader ....................... Subscription required 38 cu. m ....................... Subscription required Existing Jan 25, 2022
Loader ....................... Subscription required 18 cu. m Existing Dec 31, 2012
Shovel ....................... Subscription required 45 cu. m Existing Dec 31, 2012
Shovel (rope) ....................... Subscription required 45 cu. m Existing Jan 25, 2022
Truck (haul) ....................... Subscription required 290 t ....................... Subscription required Existing Oct 25, 2021
Truck (haul) ....................... Subscription required 313 t ....................... Subscription required Existing May 10, 2022
Subscription required - Subscription is required.

Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Jun 12, 2023
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Jun 20, 2023
....................... Subscription required ....................... Subscription required Subscription required Jun 20, 2023
....................... Subscription required ....................... Subscription required Subscription required Jun 5, 2023
....................... Subscription required ....................... Subscription required Subscription required Jun 5, 2023
....................... Subscription required ....................... Subscription required Subscription required Jun 5, 2023
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2022
Subscription required 2021
Subscription required 2020
Subscription required 2019
Subscription required 2018
Subscription required 2017

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2023
Annual Report 2022
Other 2022
Other 2022
Press Release 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Corporate Presentation 2018
Quarterly Report 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Other 2017
Corporate Presentation 2012
Other 2010
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