Articles | Volume 12, issue 2
Solid Earth, 12, 421–437, 2021
Solid Earth, 12, 421–437, 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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Cited articles

Abe, Y.: Physical state of the very early Earth, Lithos, 30, 223–235,, 1993. a
Abe, Y.: Thermal and chemical evolution of the terrestrial magma ocean, Phys. Earth Planet. In., 100, 27–39,, 1997. a, b, c, d, e
Abe, Y. and Matsui, T.: Early evolution of the Earth: Accretion, atmosphere formation, and thermal history, J. Geophys. Res.-Sol. Ea., 91, E291–E302,, 1986. a
Abe, Y. and Matsui, T.: Evolution of an Impact-Generated H2O-CO2 Atmosphere and Formation of a Hot Proto-Ocean on Earth, J. Atmos. Sci., 45, 3081–3101,<3081:EOAIGH>2.0.CO;2, 1988. a
Agrusta, R., Morison, A., Labrosse, S., Deguen, R., Alboussière, T., Tackley, P. J., and Dubuffet, F.: Mantle convection interacting with magma oceans, Geophys. J. Int., 220, 1878–1892,, 2019. a, b, c
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.