European Journal of Mineralogy
European Journal of Mineralogy
European Journal of Mineralogy
Articles | Volume 35, issue 2
Articles | Volume 35, issue 2
https://doi.org/10.5194/ejm-35-219-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ejm-35-219-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 35, issue 2
Research article
 | 
31 Mar 2023
Research article |  | 31 Mar 2023

Dislocation and disclination densities in experimentally deformed polycrystalline olivine

Sylvie Demouchy, Manuel Thieme, Fabrice Barou, Benoit Beausir, Vincent Taupin, and Patrick Cordier

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Latest update: 01 Apr 2025
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Short summary
We report a comprehensive data set characterizing and quantifying two types of mineral defects in the most abundant mineral of Earth's upper mantle: olivine. Namely, we investigate translation defects of dislocation and rotation defects, called disclinations, in polycrystalline olivine deformed in uniaxial compression or torsion, at high temperature and pressure. The defects are identified via mapping of the crystallographic disorientation detected using electron backscatter diffraction.
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