Institution: | Department of Earth and Planetary Sciences, Faculty of Science, Kobe University, Kobe, Japan. E-mail:;Department of Geology, Faculty of Science, Himeji Institute of Technology, Himeji, Japan;Research Institute of Natural Sciences, Okayama University of Science, Okayama, Japan;Department of Earth Sciences, Nara University of Education, Nara 630-8528 Japan |