1. College of Science; Ibaraki University; 2-1-1 Bunkyo Mito Ibaraki 310-8512 Japan
2. Hitachi High-Technologies Corporation; 882 Ichige Hitachinaka Ibaraki 312-8504 Japan
3. Department of Earth Sciences; Tohoku University; Aoba Sendai Miyagi 980-8578 Japan
4. NASA; ARES; Johnson Space Center; Houston Texas 77058 USA
5. Department of Earth and Planetary Sciences; Kyushu University; Hakozaki Fukuoka 812-8581 Japan
6. National Institute for Materials Science; 1-1-1 Kouto Sayo Hyogo 679-5148 Japan
7. Department of Geology and Mineralogy; Kyoto University; Kitashirakawaoiwake-cho Sakyo Kyoto 606-8502 Japan
8. Institute of Space and Astronautical Science; Japan Aerospace Exploration Agency; 3-1-1 Yoshinodai Sagamihara Kanagawa 252-5210 Japan