European Journal of Mineralogy
European Journal of Mineralogy
European Journal of Mineralogy
Articles | Volume 32, issue 5
Articles | Volume 32, issue 5
https://doi.org/10.5194/ejm-32-521-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ejm-32-521-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 32, issue 5
Research article
 | 
15 Oct 2020
Research article |  | 15 Oct 2020

Corona formation around monazite and xenotime during greenschist-facies metamorphism and deformation

Felix Hentschel, Emilie Janots, Claudia A. Trepmann, Valerie Magnin, and Pierre Lanari

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Short summary
We analysed apatite–allanite/epidote coronae around monazite and xenotime in deformed Permian pegmatites from the Austroalpine basement. Microscopy, chemical analysis and EBSD showed that these coronae formed by dissolution–precipitation processes during deformation of the host rocks. Dating of monazite and xenotime confirmed the magmatic origin of the corona cores, while LA-ICP-MS dating of allanite established a date of ~ 60 Ma for corona formation and deformation in the Austroalpine basement.
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