Institution: | 1. Geological Survey of Japan, AIST, 1-1-1 Higashi, Tsukuba, 305-8567, Japan 2. Department of Earth System Science, Faculty of Science, Fukuoka University, Fukuoka, 814-0180, Japan 3. Akiyoshi-dai Museum of Natural History, Shuho-cho, Mine, 754-0511, Japan
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