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B.A., Science, Faculty of Science, Hokkaido niversity, Sapporo, Japan, 1993.
M.S., Science, Hokkaido University, Sapporo, Japan, 1995.
Ph.D., Science, Hokkaido University, Sapporo, Japan, 2000.
Geological and Petrological Research of Rishiri Volcano in the Rishiri Island, northern Hokkaido, Japan during 1993-1998.
Geological and Tephro-chronological Research of Tyatya Volcano in the Kunashir Island, Kuril Islands in 1999.
2000 Eruption of Usu Volcano, Japan.
Ishizuka, Y. and Nakagawa, M. 1994. K-Ar ages of dacitic lava domes from Rishiri volcano, northern Hokkaido. J. Min. Petr. Econ. Geol., 89, 360-364.
Ishizuka, Y. 1999. Eruptive history of Rishiri volcano, northern Hokkaido, Japan. Bull. Volcanol. Soc. Japan, 44, 23-40.
Ishizuka, Y. and Nakagawa, M. 1999. Petrological evolution of Rishiri volcano, northern Hokkaido, Japan. J. Min. Petr. Econ. Geol., 94, 279-294.
Ishizuka, Y. 2000. Mantle diapir model for polygenetic volcanoes: Geological and petrological study of Rishiri volcano, northern Hokkaido, Japan. Ph.D. thesis, Hokkaido Univ., 191p.
Volcanological Society of Japan, Japanese Association of Mineralogists, Petrologists and Economic Geologists.