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Kittilä gold mine (Suurikuusikko mine; Rouravaara; Korkeakuusikko; Vuomajärvi), Kittilä, Lapland Region, Finland

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Latitude & Longitude (WGS84): 67° 54' 50'' North , 25° 23' 59'' East
Latitude & Longitude (decimal): 67.91389,25.40000
GeoHash:G#: us443gren
Owned/operated by:Agnico Eagle Mines Limited
Locality type:Mine
Köppen climate type:Dfc : Subarctic climate


Very large, palaeoproterozoic orogenic gold deposit. Epigenetic, "mesothermal" mineralisation with a distinct structural control. The ore is hosted by albitised, mafic to intermediate, volcanic rock. It comprises a number of subvertical ore bodies.

71% of the gold is contained in the lattice of and as tiny inclusions in arsenopyrite and 22% in pyrite, in both thin veins and altered host rock. Arsenopyrite and pyrite are the main ore minerals.

Visible gold was first detected in 1986 in an outcrop 4 km SSW of Suurikuusikko during regional gold exploration. A highly productive gold mine was started in 2007. The ore was mined both in an open-pit operation (2007-2012) and underground (since 2007). The operation has a life expectancy of 23 years (2009 – 2032).
Owned by Agnico-Eagle Mining Ltd.

Located 55 kilometres (34 mi) north of Kittilä.



Commodity List

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


Mineral List


31 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

Paleoproterozoic
1600 - 2500 Ma



ID: 656531
Igneous: extrusive; Extrusive: mafic

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Comments: Orogen, fold-thrust belt, folded region; Koistinen et al., 2001; Sigmond, 2002; Solli, unpublished compilation, 2007-08; Bergman et al., unpublished revisions, 2007-08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: Tholeiitic basalt, trachyandesite, trachytic basalt, dacite, rhyolite, picrobasalt, quartzite-conglomerate, dolomite

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]

Paleoproterozoic
1600 - 2500 Ma



ID: 3145193
Proterozoic I tholeiitic

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Major:{tholeiitic basalt}, Minor{rhyolite,chert}

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]

Siderian
2300 - 2500 Ma



ID: 3184733
Paleoproterozoic sedimentary and volcanic rocks

Age: Siderian (2300 - 2500 Ma)

Lithology: Mafic volcanic 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]

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



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Lukonin, D. (2008). Archean and proterozoic gold deposits of the Fennoscandian shield. Masters thesis Luleå University of Technology

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