D-2: Water-rock interaction to connect abiotic and biotic worlds.

[PD2-03] Behavior of iron(II) and iron(III) during the submarine hydrothermal alteration with the presence of organic matter

*Mayuko Hikichi¹, Akizumi Ishida¹, Takeshi Kakegawa¹ (1. Tohoku university (Japan))

キーワード：Hydrothermal activity、Hematite、Colloform texture、Organic matter