About TAKAHASHI Ryohei
About Hokkaido Univ., Sapporo, JPN
About MATSUEDA Hiroharu
About Hokkaido Univ., Sapporo, JPN
About OKRUGIN Victor M.
About Inst. of Volcanology and Seismology Acad. of Sci. Russian Federation, Petropavlovsk-Kamchatsky, RUS
About ONO Shuji
About Hokkaido Univ., Sapporo, JPN
About Resource Geology
About hydrothermal deposit
About Mutnovskoe鉱床
About Metallic ore deposit
About Dating
About ロシア
About カムチャッカ
About 鉱床
About Au
About Ag
About 鉱化作用