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Abstract: Hydrogen Isotopic Fractionation upon Dehydration of SiO<sub>2</sub> in the Lower Mantle: Origin of Water in Plumes with Low D/H Ratios (AGU25)

Hydrogen Isotopic Fractionation upon Dehydration of SiO2 in the Lower Mantle: Origin of Water in Plumes with Low D/H Ratios

Megumi Semba1, Naoya Sakamoto2, Kei Hirose1,3, Shuhei Mita1, Naoki Kurita1 and Hisayoshi Yurimoto2,4, (1)The University of Tokyo, Department of Earth and Planetary Science, Bunkyo-ku, Tokyo, Japan, (2)Hokkaido University, Institute for Integrated Innovations, Sapporo, Hokkaido, Japan, (3)Institute of Science Tokyo, Earth-Life Science Institute, Meguro-ku, Tokyo, Japan, (4)Hokkaido University, Department of Natural History Sciences, Sapporo, Hokkaido, Japan
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