Iron speciation analysis of 3.2 Ga old DXCL-DP drillcore BIFs and shales of the Dixon Island Formation, Cleaverville Group, Western Australia

Saori Fujita, Toho University, Chemistry, Chiba, Japan, Kosei E Yamaguchi, NASA Astrobiology Institute, ., United States, Asuka Yamaguchi, University of Tokyo, Atmosphere and Ocean Research Institute, Kashiwa, Japan, Shoichi Kiyokawa, Kyushu University, Department of Earth and Planetary Science, Fukuoka, Japan, Takashi Ito, Ibaraki University, Faculty of Education, Mito, Japan and Minoru Ikehara, Kochi University, Center for Advanced Marine Core Research, Nankoku, Japan