Articles | Volume 35, issue 6
https://doi.org/10.5194/ejm-35-1009-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ejm-35-1009-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
16 Nov 2023
Research article |
| 16 Nov 2023
| 16 Nov 2023
Li–Na interdiffusion and diffusion-driven lithium isotope fractionation in pegmatitic melts
Christian R. Singer
CORRESPONDING AUTHOR
Institut für Mineralogie, Leibniz Universität Hannover, 30167 Hanover, Germany
Harald Behrens
Institut für Mineralogie, Leibniz Universität Hannover, 30167 Hanover, Germany
Ingo Horn
Institut für Mineralogie, Leibniz Universität Hannover, 30167 Hanover, Germany
Martin Oeser
Institut für Mineralogie, Leibniz Universität Hannover, 30167 Hanover, Germany
Ralf Dohmen
Institut für Geologie, Mineralogie und Geophysik, Ruhr Universität Bochum, 44780 Bochum, Germany
Stefan Weyer
Institut für Mineralogie, Leibniz Universität Hannover, 30167 Hanover, Germany
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Short summary
Li is a critical element that is often enriched in pegmatites. To better understand the enrichment of Li in such systems, it is necessary to understand the underlying transport mechanisms. We performed experiments to investigate diffusion rates and exchange mechanisms of Li between a Li-rich and a Li-poor melt at high temperature and pressure. Our results indicate that fluxing elements do not increase the diffusivity of Li compared to a flux-free melt.
Li is a critical element that is often enriched in pegmatites. To better understand the...
