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

Tatsuya Yoshida, Kirara Arima, Naoki Terada +2

Giant impacts during Earth's final accretion likely generated global magma oceans, where the disproportionation of Fe^2+ at lower-mantle pressures and segregation of the resulting…