European Journal of Mineralogy
European Journal of Mineralogy
European Journal of Mineralogy
Articles | Volume 37, issue 5
Articles | Volume 37, issue 5
https://doi.org/10.5194/ejm-37-773-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ejm-37-773-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 37, issue 5
Research article
 | 
21 Oct 2025
Research article |  | 21 Oct 2025

Elasticity of CaSiO3–CaTiO3 perovskite at lower-mantle pressures

Ye Wu

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Short summary
Calcium silicate perovskite (Ca-pv) is the third most abundant mineral in Earth's interior. Knowledge of its elasticity is significant for deciphering the origins of seismic signatures. Elasticities and sound velocities of Ca-pv have been theoretically investigated. Compositional effects on elastic properties and velocity anisotropies of Ca-pv are significant at lower-mantle pressures. Ca-pv may be related to the observed seismic anomalies associated with subducted oceanic crust in the lower mantle.
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