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

[OD2-08] Geological and geochemical studies on shallow-water hydrothermal and seep activities in stromatolite-forming sites of 1.9 Ga Gunflint formation, Canada.

*Sota Iijima¹, Akizumi Ishida¹, Kouhei Sasaki², Takeshi Kakegawa¹ (1. Tohoku University (Japan), 2. Atmosphere and Ocean Research Institute, The University of Tokyo (Japan))

キーワード：Paleoproterozpoic, Gunflint Formation, stromatolite, seeping, pyrobitumen