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Coupled Evolution of Earth’s H2-rich Proto-atmosphere and Oxidized Magma Ocean: Efficient H2O Production through Dissolved H2 Transport and Atmospheric Buffering of the Magma Ocean Redox State

  • Authors: Tatsuya Yoshida, Kirara Arima, Naoki Terada, Takeshi Kuroda, Kiyoshi Kuramoto

Tatsuya Yoshida et al 2026 The Planetary Science Journal 7 .

  • Provider: AAS Journals

Caption: Figure 10.

The compositional evolution of a magma ocean for an initial H2+H2O amount of 10NTO and an initial magma ocean bottom pressure of 50 GPa, as in Figures 6 and 7. The left and right columns show the results of Case 1 and Case 2, respectively. (a), (b) Fe/Mg ratio in the bulk interior (black), magma ocean (red), and mantle (orange). (c), (d) Mg/Si ratio in the bulk interior (black), magma ocean (red), and mantle (orange).

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