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Aitik Mine, Aitik, Gällivare, Lappland, Sweden

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Latitude & Longitude (WGS84): 67° 4' 21'' North , 20° 57' 26'' East
Latitude & Longitude (decimal): 67.07250,20.95750
Other regions containing this locality:Scandinavia
Owned/operated by:Boliden AB
Köppen climate type:Dfc : Subarctic climate
Name(s) in local language(s):Aitikgruvan, Gällivare, Lappland,

Porphyry copper deposit, situated 15 km southeast of the town Gällivare and 50 km north of the Arctic circle. Proven reserves reported in Jan 2007 were 526 Mton of ore containing 0.28 % of Cu, 0.2 ppm Au and 2 ppm Ag. The ore zone is almost 3 km long and 500 m wide, the strike is almost north-south. The dip of the orebody is 50 degrees and it plunges to the north. The southern part of the ore zone reaches down to 400 m and in the northern part the ore depth is still unknown.

Sweden's largest sulphide mine with an annual production of 35 Mt of ore, and the biggest open pit operation in northern Europe.

The deposit is proposed to represent a Palaeoproterozoic, strongly metamorphosed porphyry copper deposit that was affected ca. 100 Ma later by a regional IOCG-type hydrothermal event (Wanhainen et al., 2012).

The surrounding area of Aitik deposit consists of Precambrian (about 1.9-1.8 Ga) intermediate volcanic rocks, clastic sediments, and intrusions of granite, gabbro and diorite (Witschard, 1996). The Aitik deposit is situated close to a structurally important NW-SE striking shear zone in northern Norrbotten ore province. The host rocks of the Aitik deposit is probably formed about 1.9 Ga years ago (Wanhainen & Martinsson, 1999).
The contact between the main ore zone and the hanging wall is sharp, being a thrustfault. The contact between the footwall and the ore zone is gradual and grade dependent. The main ore minerals are chalcopyrite, pyrite and pyrrhotite, occurring as dissemination and veinlets. The footwall consists of biotite-amphibole gneiss and intrusions of quartz-monzodiorite. The main ore zone comprises biotite-schist/gneiss and muscovite schist. The hanging wall consists of amphibole-biotite gneiss and pegmatite and is barren in copper. (from a paper by I.Takala, M Kontturi et al, and Boliden fact sheet 2007)
Tha name "Aitik" is of Saami language and translates to " Storage".

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

Mineral List

38 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

1600 - 2500 Ma

ID: 3134355
Proterozoic I meta-basalt

Age: Proterozoic (1600 - 2500 Ma)

Description: undifferentiated metamorphic

Lithology: Meta-basalt group

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

1600 - 2500 Ma

ID: 3185452
Paleoproterozoic intrusive rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Intrusive igneous rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

1600 - 2500 Ma

ID: 638031
Igneous: intrusive; Intrusive: undivided

Age: Proterozoic (1600 - 2500 Ma)

Description: Northern Europe, Svecofennian and Lapland-Kola orogens

Comments: Orogen, fold-thrust belt, folded region; Koistinen et al., 2001; Sigmond, 2002; Solli, unpublished compilation, 2007-08; Bergman et al., unpublished revisions, 2007-08

Lithology: Granite, monzonite, quartz monzonite, quartz monzodiorite

Reference: J.C. Harrison, M.R. St-Onge, O.V. Petrov, S.I. Strelnikov, B.G. Lopatin, F.H. Wilson, S. Tella, D. Paul, T. Lynds, S.P. Shokalsky, C.K. Hults, S. Bergman, H.F. Jepsen, and A. Solli. Geological map of the Arctic. doi:10.4095/287868. Geological Survey of Canada Map 2159A. [2]

1800 - 2050 Ma

ID: 2635001

Age: Orosirian (1800 - 2050 Ma)

Description: Svecokarelian orogen; Norrbotten lithotectonic unit

Lithology: Basalt, andesite and subordinate dacite, metamorphic

Reference: Bergman, S., M.B. Sephens, J. Andersson, B. Kathol, T. Bergman. Sveriges berggrund, skala 1:1 miljon. Sveriges geologiska undersökning K 423. [95]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

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Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zweifel,H. (1976): Aitik- Geological documentation of a disseminated copper deposit. A preliminary investigation. Sveriges Geologiska Undersökning (SGU) serie C 720, 79p.
Monika Kontturi & Olof Martinsson (2000) Gold in the Aitik Cu-Au deposit, Gellivare area, Northern Sweden. In Abstract volume and Field trip Guidebook, 2nd annual GEODE-Fennoscandian shield field workshop on Palaeoproterozoic and Archean greenstone belts and VMS districts in the Fennoscandian Shield (Vol. 28).
C. Wanhainen & O. Martinsson (2000) The Aitik Cu-Au deposit, Gellivare area, northern Sweden. In Abstract volume and Field trip Guidebook, 2nd annual GEODE-Fennoscandian shield field workshop on Palaeoproterozoic and Archean greenstone belts and VMS districts in the Fennoscandian Shield (Vol. 28).
Wanhainen, Christina (2005): On the origin and evolution of the palaeoproterozoic Aitik Cu-Au-Ag deposit, northern Sweden: a porphyry copper-gold ore, modified by multistage metamorphic-deformational, magmatic-hydrothermal, and IOCG-mineralizing events. Ph.D. Thesis, Luleå University of Technology, 36 (ISSN:1402-1544; http://epubl.luth.se/1402-1544/2005/36)
Singer, D.A., Berger, V.I., and Moring, B.C. (2008): Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. US Geological Survey Open-File Report 2008-1155.
Nigatu, W. (2011). Rhenium in the Aitik Cu-Au-Ag-(Mo) Deposit (Doctoral dissertation, Master’s Thesis, Lulea University of Technology, Lulea, Sweden).
Sammelin, M., Wanhainen, C., & Martinsson, O. (2011). Gold mineralogy at the Aitik Cu–Au–Ag deposit, Gällivare area, northern Sweden. GFF, 133(1-2), 19-30.
C. Wanhainen, C. Broman, O. Martinsson, B. Magnor (2012): Modification of a Palaeoproterozoic porphyry-like system: Integration of structural, geochemical, petrographic, and fluid inclusion data from the Aitik Cu–Au–Ag deposit, northern Sweden. Ore Geology Reviews 48, 306-331.
Fengxiang Wang, Fengjun Nie, Weibo Zhang, Yi Cao, and Chengwu Ding (2013): Geological characteristics and genesis of the Aitik Cu-Au-Ag deposit, Sweden. Mineral Deposits 32(5), 1068-1071 (in Chinese).
Christina Wanhainen, Wondowossen Nigatu, David Selby, Claire L. McLeod, Roger Nordin and Nils-Johan Bolin (2014): The Distribution, Character, and Rhenium Content of Molybdenite in the Aitik Cu-Au-Ag-(Mo) Deposit and Its Southern Extension in the Northern Norrbotten Ore District, Northern Sweden. Minerals 4(4), 788-814.

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