Fractionation of Fe isotopes with iron oxidation and leaching in lacustrine sediments, implication of the formation of sedimentary kaolin deposits.

Tetsuichi Takagi1, Ki-Cheol Shin2, Mayumi Jige3, Mihoko Hoshino1 and Katsuhiro Tsukimura1, (1)Geological Survey of Japan, AIST, Tsukuba, Japan, (2)Research Institute for Humanity and Nature, Kyoto, Japan, (3)Osaka-Ohtani University, Tondabayashi, Japan