The Särna alkaline complex is a group of
intrusive igneous rock
Igneous rock (derived from the Latin word ''ignis'' meaning fire), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma or l ...
s in
Dalarna
Dalarna () is a '' landskap'' (historical province) in central Sweden. English exonyms for it are Dalecarlia () and the Dales.
Dalarna adjoins Härjedalen, Hälsingland, Gästrikland, Västmanland and Värmland. It is also bordered by Norway i ...
, Sweden.
Emplacement and cooling of
magma
Magma () is the molten or semi-molten natural material from which all igneous rocks are formed. Magma is found beneath the surface of the Earth, and evidence of magmatism has also been discovered on other terrestrial planets and some natura ...
into rock occurred during the
Carboniferous Period. The complex is aligned with the
Oslo Rift, which formed around the same time; it is thought that they are related.
See also
*
Alnö Complex
*
Fen Complex The Fen Complex ( no, Fensfeltet) in Nome, Telemark, Norway is a region noted for an unusual suite of igneous rocks. Several varieties of carbonatite are present in the area as well as lamprophyre, ijolite and other highly alkalic rocks. It is the ...
*
Kola Alkaline Province
*
Norra Kärr Norra Kärr or Norra Kärr Alkaline Complex is an intrusive complex cropping out at the boundary between Östergötland and Småland, Sweden. The complex is chiefly made up of peralkaline nepheline syenite and is rich in exotic minerals. Rocks of ...
References
{{Geology of Fennoscandia
Geology of Sweden
Paleozoic Sweden
Carboniferous Europe
Carboniferous geology
Geography of Dalarna County