1. Geodynamics Research Center; Ehime University; Matsuyama Japan
2. Earth-Life Science Institute; Tokyo Institute of Technology; Tokyo Japan
3. HPCAT, Geophysical Laboratory; Carnegie Institution of Washington; Argonne Illinois USA
4. Center for Advanced Radiation Sources; University of Chicago; Chicago Illinois USA
5. Now at Center for Glass Science and Technology; University of Shiga Prefecture; Hikone Japan
6. Now at Department of Earth, Environmental and Planetary Sciences; Case Western Reserve University; Cleveland Ohio USA
7. Japan Synchrotron Radiation Institute, SPring-8; Hyogo Japan
8. Isotope Imaging Laboratory; Hokkaido University; Sapporo Japan