H. and Vladykin N. V. / Kita-Hakkoda Volcano Group / Cambrige University Press / Ashigara Group / Furukawa / Hidaka Supergroup / Higashi-Izu Monogenetic Volcano Group / Numazawa Volcano Research Group / Yuasa / Shimizu / Suzuki / Fuji / Abu Monogenetic Volcano Group / /
Country
Germany / Yemen / Mongolia / Oman / New Zealand / Chile / Indonesia / Kenya / Japan / Russia / United States / Korea / China / South Korea / Spain / /
eruptive products / noble gas / open magmatic systems / gas-mixing furnace / stone tools / chemical composition / majorite solid-solution / interfacial energy reduction / temporal chemical variation / gas systematics / even open magmatic systems / chemical heterogeneity / /
NaturalFeature
Oki-Dogo Island / Flores island / Unzen volcano / Hakone Volcano / Fuji Volcano / Taigonos peninsula / Usu volcano / Azas Plateau / Kilauea volcano / Miyakejima volcano / Japanese islands / Towada volcano / Funagata volcano / Izu Islands / Japan island / Tyatya volcano / Ruapehu volcano / Noto Peninsula / Nasu-Chausudake volcano / Rausudake volcano / Kurikoma volcano / Chokai volcano / Ueno volcano / Japan Sea / Ontake Volcano / Rishiri volcano / Active volcanoes / Miyake-jima volcano / Sorachi plateau / Toga volcano / Nekoma volcano / Akusekijima island / Adatara volcano / Iwate Volcano / Shimane Peninsula / /
Person
Ban / Wang / Toya / Weidner / Akihiko Tomiya / DePaolo / Takahashi / /
Position
D. J. / Analyst / multiple-collector / /
ProvinceOrState
Hyogo Prefecture / Hawaii / New York / Connecticut / Yamaguchi Prefecture / San'in / Shimane Prefecture / Kochi Prefecture / /
Region
northeastern Japan / Western Pacific rim / northern Japan / Southwest Japan / west Japan / western Japan / Southern Chile / East Russia / northern Oman / northern China / northern Kenya / southern Spain / southwestern Japan / Northeast Japan / central Japan / /
2. Petrology and Mineralogy In the period from 1999 to 2002, many studies on petrology and mineralogy have been made by Japanese earth scientists as well as the previous period. Significant progress has been made at the