About Yaguchi Muga
About Graduate School of Frontier Sciences, The University of Tokyo
About Muramatsu Yoichi
About Department of Liberal Arts, Faculty of Science and Technology, Tokyo University of Science
About Chiba Hitoshi
About Department of Earth Science, Graduate School of Natural Science and Technology, Okayama University
About Okumura Fumiaki
About Research Center, Japan Petroleum Exploration Co., Ltd.
About Ohba Takeshi
About Department of Chemistry, School of Science, Tokai University
About Geochemical Journal
About Groundwater
About chemical composition
About isotopic ratio
About sulfur isotope
About volcano
About tuff
About interaction
About Yamanashi prefecture
About deuterium
About oxygen 18
About sulfate ion
About hydrogeology
About Water Quality
About water-rock interaction
About Mt. Fuji
About sulfur 34
About deep groundwater
About green-tuff
About deep underground water
About green-tuff
About northern foot of Mt. Fuji
About deep well water
About formation mechanism
About green tuff
About δD δ18O δ34S value
About Geohydrology
About Geochemistry in general
About Other isotopic geochemistry
About 中部日本
About 富士山
About 深井戸
About 起源
About 水文化学