*小澤 信¹、宮原 正明²、大谷 栄治¹、伊藤 嘉紀¹、鈴木 昭夫¹、木村 眞³、Olga N. Koroleva⁴、Konstantin Litasov⁵、Nikolay P. Pokhilenko⁵ (1.Department of Earth Science, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan、2.Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University,、3.Faculty of Science, Ibaraki University, Mito 310-8512, Japan、4.Institute of Mineralogy, UB RAS, Miass, 456317, Russia、5.V. S. Sobolev Institute of Geology and Mineralogy, SB RAS, Novosibirsk, 630090, Russia)

*小澤 信¹、宮原 正明²、大谷 栄治¹、伊藤 嘉紀¹、鈴木 昭夫¹、木村 眞³、Olga N. Koroleva⁴、Konstantin Litasov⁵、Nikolay P. Pokhilenko⁵ (1.Department of Earth Science, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan、2.Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University,、3.Faculty of Science, Ibaraki University, Mito 310-8512, Japan、4.Institute of Mineralogy, UB RAS, Miass, 456317, Russia、5.V. S. Sobolev Institute of Geology and Mineralogy, SB RAS, Novosibirsk, 630090, Russia)