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Yasunari Shigeta
Department of Geology, National Science Museum
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Haruyoshi Maeda
Department of Geology and Mineralogy, Graduate School of Science, Kyoto University
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Kazushige Tanabe
Geological Institute, Graduate School of Science, University of Tokyo
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Yuri D. Zakharov
Far Eastern Geological Institute, Far Eastern Branch, Russian Academy of Science
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Alexander M. Popov
Far Eastern Geological Institute, Far Eastern Branch, Russian Academy of Science
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Vladimir V. Golozubov
Far Eastern Geological Institute, Far Eastern Branch, Russian Academy of Science