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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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  • Fleet
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Copper
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2050
Aitik – the world’s most productive open-pit copper mine.


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

Subscription required - Subscription is required.


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:

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.

In 2021 in Aitik, work continued on enabling mining of the satellite deposits in Liikavaara, and a decision was also made to begin automation of the truck fleet.

The ore is mined in two open pits along the same mineral deposit. The main pit is called Aitik and measures roughly 4 km by 1.1 km at surface, with the deepest point currently at 480 meters from surface. In 2010, mining commenced in a second pit called Salmijärvi which has currently reached a depth of 225 meters below surface, with a surface foot print of roughly 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. Prestripping of pushback N7 commenced in 2019 to allow mining to start during 2020.

The ore and waste rock is blasted in 15 meter high benches and is 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 surface and from the Salmijärvi pit is transported to a surface crusher situated between the two pits. Waste rock is separated in the loading process and hauled by trucks to dumps at the surface, where potentially acid forming waste is dumped separ ........


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityProductUnits202120202019201820172016
Copper Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required219216157
Copper Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required404394320
Gold Metal in concentrate oz  ......  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:

Metrics202120202019201820172016
Tonnes milled  ......  Subscription required  ......  Subscription required40,661 kt38,472 kt39,045 kt36,051 kt
Subscription required - Subscription is required.

Reserves at December 31, 2021:

CategoryTonnage CommodityGrade
Proven 154,000 kt Copper 0.19 %
Proven 154,000 kt Gold 0.08 g/t
Proven 154,000 kt Silver 1.1 g/t
Probable 1,153,000 kt Copper 0.22 %
Probable 1,153,000 kt Gold 0.16 g/t
Probable 1,153,000 kt Silver 1.2 g/t
Measured 281,000 kt Copper 0.15 %
Measured 281,000 kt Gold 0.06 g/t
Measured 281,000 kt Silver 0.7 g/t
Indicated 621,000 kt Copper 0.17 %
Indicated 621,000 kt Gold 0.09 g/t
Indicated 621,000 kt Silver 0.8 g/t
Inferred 15,000 kt Copper 0.19 %
Inferred 15,000 kt Gold 0.14 g/t
Inferred 15,000 kt Silver 0.7 g/t

Commodity Production Costs:

CommodityUnits202120202019201820172016
C1 cash costs Copper USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 0.77 / lb†   0.82 / lb†   1.02 / lb†  
† Net of By-Product.
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Financials:

Units202120202019201820172016
Capital expenditures M SEK  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,576   1,534   1,174  
Revenue M SEK  ......  Subscription required  ......  Subscription required  ......  Subscription required 6,017   5,487   3,273  
Operating Income M SEK  ......  Subscription required  ......  Subscription required  ......  Subscription required 2,494   2,073   222  
Subscription required - Subscription is required



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 TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 8, 2022
....................... Subscription required ....................... Subscription required Subscription required Aug 10, 2022
....................... Subscription required ....................... Subscription required Subscription required Aug 8, 2022
....................... Subscription required ....................... Subscription required Subscription required Aug 10, 2022
Subscription required - Subscription is required.

Staff:

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

Corporate Filings & Presentations:

DocumentYear
Other 2022
Press Release 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... 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
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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