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*Tsuyoshi Watanabe
Graduate School of Science, Hokkaido University
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Atsushi Suzuki
Geological Survey of Japan
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Tatsunori Kawashima
Graduate School of Science, Hokkaido University
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Shoushiro Minobe
Graduate School of Science, Hokkaido University
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Kouji Kameo
Chiba University
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kayo Minoshima
Geological Survey of Japan
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Hodaka Kawahata
Institure of Oceanography, The university of Tokyo
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Maac Aguilar Yolanda
Bureau of Mine, Philippine
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Ryoji Wani
National Science Museum
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Tomoki Kase
National Science Museum