Implications of 3.2 Ga deep seawater from sulfur isotopic analysis of barite crystals in Pilbara, Western Australia.

Tsubasa Miki, Kyushu University, Fukuoka, Japan, Shoichi Kiyokawa, Kyushu University, Department of Earth and Planetary Science, Fukuoka, Japan, Naoto Takahata, University of Tokyo, Bunkyo-ku, Japan, Akizumi Ishida, Atmosphere and Ocean Research Institute University of Tokyo, Kashiwa, Japan, Takashi Ito, Ibaraki University, Faculty of Education, Mito, Japan, Minoru Ikehara, Kochi University, Center for Advanced Marine Core Research, Nankoku, Japan and Yuji Sano, University of Tokyo, AORI, Bunkyo-ku, Japan