Articles | Volume 11, issue 3
https://doi.org/10.5194/se-11-807-2020
https://doi.org/10.5194/se-11-807-2020
Research article
 | 
07 May 2020
Research article |  | 07 May 2020

Magnetic properties of pseudotachylytes from western Jämtland, central Swedish Caledonides

Bjarne S. G. Almqvist, Hagen Bender, Amanda Bergman, and Uwe Ring

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Latest update: 22 Apr 2024
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Short summary
Rocks in fault zones can melt during earthquakes. The geometry and magnetic properties of such earthquake-melted rocks from Jämtland, central Sweden, show that they formed during Caledonian mountain building in the Palaeozoic. The small sample size (~0.2 cm3) used in this study is unconventional in studies of magnetic anisotropy and introduces challenges for interpretations. Nevertheless, the magnetic properties help shed light on the earthquake event and subsequent alteration of the rock.