Research keywords (3)：
Deep-sea sediments, Plate tectonics
, Arsenic, mercury, material cycle, groundwater contamination, diagnosis
, Geochemistry
Research theme for competitive and other funds (6)：
ヒ素汚染地下水の形成メカニズム
海洋底拡大軸周辺の火成活動にともなう物質循環
深海底堆積物中の続成作用による自生鉱物形成のメカニズム
Formation mechanism of arsenic polluted ground water
Geochemical circulation system around spreading axis of oceanic crust
Formation mechanism of authigenic minerals due to diagenetic reaction in the ocean bottom sediment
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Papers (72)：
Masuda H. Arsenic cycling in the Earth’s crust and hydrosphere: interaction between naturally occurring arsenic and human activities. Progress in Earth and Planetary Science. 2018. 5. 68
Groundwater flow system in the central and south part of Matsumoto Basin, Nagano, estimated from oxygen and hydrogen isotope ratios and water quality
2003
Hydrothermal basalt alteration at the surface of the TAG active mound, MAR 26┣23°N
Proceedings of the 9th International Symposium on Water-Rock Interaction 1998
Iron-rich smectite formation in the hydrothermal sediment of Iheya Basin,Okinawa Trough
Biogeochemical Processes and Ocean Flux in the Western Pacific.Terra Scientific Pub.Co.Tokyo 1996
Formation mechanisms of authigenic smectite,I/S and illite in mudstones from the Nankai Trough((Multiple Authorship))
Proceedings of 8th Interrational Symposium on Water-rock inter-action:Vladivostok,Bulkema Pub.Co. 1996
Mercury concentration of deepsea sediments from Kumano Basin, Nankai Trough
(Abstracts of Annual Meeting of the Geochemical Society of Japan 2017)
Origin of mercury in groundwaters along active faults in the southern part of Osaka Prefecture
(Abstracts of Annual Meeting of the Geochemical Society of Japan 2017)
The quality of groundwate in and around eastern fukusima prefecture
(Abstracts of Annual Meeting of the Geochemical Society of Japan 2017)
Distribution and geochemical features of arsenic contaminated groundwater near the meeting of Ganges and Bramaptra Rivers in Bangladesh
(Abstracts of Annual Meeting of the Geochemical Society of Japan 2016)
Boron and lithium distributions in groundwater of Osaka basin
(Abstracts of Annual Meeting of the Geochemical Society of Japan 2016)
