[B-CG04] Decoding the history of the Earth-like planets: From their birth to the present

[BCG04-04] Komatiite-Hosted Hydrothermal Systems as Sources of Alkaline, hydroen- and Ammonia-Rich Fluids in the early oceans

*Manabu Nishizawa¹, Takuya Saito¹, Takazo Shibuya¹, Akiko Makabe¹, Hisahiro Ueda², Ken Takai¹ (1. Japan Agency for Marine-Earth Science and Technology, 2. Gakushu-in University)

Keywords:Hadean, komatiite, alkaline hydrothermal vents, serpentinization, thermochemical nitrate reduction, CO2