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*Gentaro Kawakami
Geological Survey of Hokkaido, HRO
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Kenji Nishina
Geological Survey of Hokkaido, HRO
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Tsumoru Sagayama
Geological Survey of Hokkaido, HRO
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Katsumi Kimura
Geological Survey of Japan, AIST
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Wataru Hirose
Geological Survey of Hokkaido, HRO
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Yoshihiro Kase
Geological Survey of Hokkaido, HRO
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Sunao Ohtsu
Geological Survey of Hokkaido, HRO