Island with alkaline intrusions with rocks like alnöite, kimberlite, carbonatite, sövite, melteigite, ijolite, urtite, borengite (from the locality Båräng).
The Alnö alkaline Complex is located on the northern part of Alnön Island outside the town of Sundsvall and on the skerries in the Klingerfjorden north of the Alnön Island.
References
- Holmquist (1893): Pyroklor från Alnön. Geologiska Föreningen i Stockholm Förhandlingar. 15, 588-606
- Högbohm, A.G. (1895): Über das Nephelinsyenitgebiet auf der Insel Alnö. Geologiska Föreningen i Stockholm Förhandlingar. 17: 100-160.
- Eckermann, H. von (1948): The Alkaline District of Alnö Island. Sveriges Geologiska Undersökning. Serie Ca 36, 176 pp.
- Eckermann, H. von (1962): The distribution of barium and strontium in the rocks and minerals of the syenitic and alkaline rocks of Alnö Island. Arkiv för Mineralogi och Geologi, I, 13: 367-375
- Kresten, P. (1984): Alnöområdets geologi. Svenska Turistforeningens Årsskrift 1984, 208-221.
- Kresten, P. (1990): The Alnø area (in Swedish). In: Lundqvist, T. (Ed.), Beskrivning Till Bergrundskartan Over Västernorrlands län. Sveriges Geologiska Undersökning, serie Ba, 31, 238–278.
- Vuorinen, J. H. (2005): The Alnö alkaline and carbonatitic complex, east central Sweden - a petrogenetic study. Doktorsavhandling (Thesis)University of Stockholm. 130pp
- Vuorinen, J. H. et al (2005): Compositional variations (major and trace elements) of clinopyroxene and Ti-andradite from pyroxenite, ijolite and nepheline syenite, Alnö Island, Sweden. Lithos, 81: 55-77
- Sandström, F., Binett, T., Wiklund, C. & Vikström, J. (2010): Alnöområdets geologi och mineralogi. Litiofilen. 27 (2) :14-42
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