European Journal of Mineralogy
European Journal of Mineralogy
European Journal of Mineralogy
Articles | Volume 33, issue 4
Articles | Volume 33, issue 4
https://doi.org/10.5194/ejm-33-519-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/ejm-33-519-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 33, issue 4
Research article
 | 
30 Aug 2021
Research article |  | 30 Aug 2021

Equation of state and sound wave velocities of fayalite at high pressures and temperatures: implications for the seismic properties of the martian mantle

Frédéric Béjina, Misha Bystricky, Nicolas Tercé, Matthew L. Whitaker, and Haiyan Chen

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Latest update: 22 Jul 2025
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Short summary
We performed experimental measurements of elastic parameters of fayalite. The idea is to better define the effect of olivine Fe content on these parameters and test how sensitive these are when adjusting mineralogical models to seismic data. The trend of the olivine shear modulus with Fe content is well defined, but that of the bulk modulus remains less constrained, and more experiments on olivines with different Fe compositions are needed.
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Probing the Earth: experiments and mineral physics at mantle...