Articles | Volume 33, issue 4
https://doi.org/10.5194/ejm-33-463-2021
https://doi.org/10.5194/ejm-33-463-2021
Research article
 | 
12 Aug 2021
Research article |  | 12 Aug 2021

Intracrystalline melt migration in deformed olivine revealed by trace element compositions and polyphase solid inclusions

Valentin Basch, Martyn R. Drury, Oliver Plumper, Eric Hellebrand, Laura Crispini, Fabrice Barou, Marguerite Godard, and Elisabetta Rampone

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Short summary
This paper investigates the possibility for melts to migrate within extensively deformed crystals and assesses the impact of this intracrystalline melt percolation on the chemical composition of the deformed crystal. We here document that the presence of melt within a crystal greatly enhances chemical diffusive re-equilibration between the percolating melt and the mineral and that such a process occurring at crystal scale can impact the large-scale composition of the oceanic lithosphere.