Articles | Volume 12, issue 2
Solid Earth, 12, 421–437, 2021
https://doi.org/10.5194/se-12-421-2021
Solid Earth, 12, 421–437, 2021
https://doi.org/10.5194/se-12-421-2021
Research article
22 Feb 2021
Research article | 22 Feb 2021

Timescales of chemical equilibrium between the convecting solid mantle and over- and underlying magma oceans

Daniela Paz Bolrão et al.

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Latest update: 22 May 2022
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Short summary
We use numerical models to investigate the thermo-chemical evolution of a solid mantle during a magma ocean stage. When applied to the Earth, our study shows that the solid mantle and a magma ocean tend toward chemical equilibration before crystallisation of this magma ocean. Our findings suggest that a very strong chemical stratification of the solid mantle is unlikely to occur (as predicted by previous studies), which may explain why the Earth’s mantle is rather homogeneous in composition.