Other publication
Shear zones and structural analysis of the Loimaa area, SW Finland
Authors: Iiro Pitkälä, Jaakko Kara, Tuomas Leskelä, Pietari Skyttä, Markku Väisänen, Hanna Leväniemi, Janne Hokka, Markku Tiainen, Yann Lahaye
Editors: Ilmo Kukkonen, Suvi Heinonen, Hanna Silvennoinen, Fredrik Karell, Elena Kozlovskaya, Arto Luttinen, Kaisa Nikkilä, Vesa Nykänen, Markku Poutanen, Pietari Skyttä, Eija Tanskanen, Timo Tiira and Kati Oinonen
Conference name: LITHOSPHERE
Publication year: 2018
Book title : LITHOSPHERE 2018: TENTH SYMPOSIUM ON STRUCTURE, COMPOSITION AND EVOLUTION OF THE LITHOSPHERE: PROGRAMME AND EXTENDED ABSTRACTS
Series title: REPORT
Number in series: 67
First page : 91
Last page: 94
ISBN: 978-952-10-9594-8
eISBN: 978-952-10-9595-5
Web address : http://www.seismo.helsinki.fi/ilp/lito2018/Lito2018_Abstract_Volume_color.pdf
Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/37200930
Shear zones of various ages and orientations are common in Southern Finland. In the study area, E-W and N-S trending shear zones are the dominant structural feature. Mylonitic foliations were identified from the most intensely sheared rocks. Ductile shearing has mainly been of dip-slip type. Structural mapping revealed several larger map-scale folds, which appear to be relatively continuous across the study area from SE to NW. In the central area, folding interfered with the shear zones causing a complex crustal structure such as associated with the Uunimäki mineralization. Aeromagnetic and lithological maps, field observations, stereographic projections and oriented thin sections were used to determine the structural features of the study area.
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