PERSONNEL'S PROFILE
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NAME Hidenori Kumagai
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SPECIALITY
Geochemistry (Noble Gases), Volcanology (Mid-Oceanic Ridges)
Personal Web Page http://www.jamstec.go.jp/seika/pub-j/res/ress/kumagai/

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PUBLICATION LIST
2011
Tomoaki Morishita, Kenichiro Tani, Hiroshi Shukuno, Yumiko Harigane, Akihiro Tamura, Hidenori Kumagai, Eric Hellebrand, Diversity of melt conduits in the Izu-Bonin-Mariana forearc mantle: Implcations for the earliest stage of arc magmatism, Geology, 39, 4, 411-414, 2011.

2010
Junichiro Ishibashi, Shunichi Nakai, Shin Toyota, Hidenori Kumagai, Takuro Noguchi, Osamu Ishizuka, Geochemical and Geochronological Studies on the Evolution of Submarine Hydrothermal Systems, 118, 1186-1204, 2010.

Hidenori Kumagai, Satoshi Tsukioka , Hiroyuki YAMAMOTO , Takeshi Tsuji , Kiminori Shitashima , Miho Asada , Fujio Yamamoto , Masataka Kinoshita, Data Brief: Hydrothermal plumes imaged by high-resolution side-scan sonar on a cruising AUV, Urashima, Geochem. Geophys. Geosyst., 11, 12, Q12013- 2010.

2009
Jun-ichiro ISHIBASHI, Shunichi NAKAI, Shin TOYODA, Hidenori KUMAGAI, Takuro NOGUCHI, Osamu ISHIZUKA
, Geochemical and geochronological studies to understand evolution of submarine hydrothermal systems, J. Geogr., 118, 6, 1186-1204, 2009.

Keiko Sato, Takehiro Hirose, Hajimu Tamura, Hidenori Kumagai, Kazuo Mizoguchi, Volatile gas analysis released from simulated faults during frictional melting:
experimental technique and preliminary results, JAMSTEC Report R&D, SP, 51-58, 2009.

Hajimu Tamura, Hidenori Kumagai, Keiko Sato, Katsuhiko Suzuki, Mobile noble gas analysis: A trial of on-site measurement of noble gas elemental abundance, JAMSTEC Report R&D, Special Issue, 41-49, 2009.

Tomoaki Morishita, Kaori Hara, Kentaro Nakamura, Takashi Sawaguchi, Akihiro Tamura, Shoji Arai, Kyoko Okino, Ken Takai, Hidenori Kumagai, Igneous, Alteration and Exhumation Processes Recorded in Abyssal Peridotites and Related Fault Rocks from an Oceanic Core Complex along the Central Indian Ridge, J. Petrol., 50, 1299-1325, 2009.

Taichi Sato, Kyoko Okino, Hidenori Kumagai, Magnetic structure of an oceanic core complex at the southernmost Central Indian Ridge: Analysis of shipboard and deep-sea three-component magnetometer data, Geochem. Geophys. Geosyst., 10, Q06003, doi:10.1029/2008GC002267.- 2009.

Kentaro Nakamura, Tomoaki Morishita, Wolfgang Bach, Frieder Klein, Kaori Hara, Kyoko Okino, Ken Takai, Hidenori Kumagai, Serpentinized troctolites exposed near the Kairei Hydrothermal Field, Central Indian Ridge: Insights into the origin of the Kairei hydrothermal fluid supporting a unique microbial ecosystem, Earth Planet. Sci. Lett., 280, 1-4, 128-136, 2009.

Keiko Sato, Hidenori Kumagai, Takehiro Hirose, Hajimu Tamura, Kazuo Mizoguchi, Toshihiko Shimamoto, Experimental study for noble gas release and exchange under high-speed frictional melting, Chemical Geology, 266, 1-2, 96-103, 2009.

2008
Hidenori Kumagai,Kentaro Nakamura,Tomohiro Toki,Tomoaki Morishita,Kyoko Okino,Junichiro Ishibashi,Urumu Tsunogai,Shinsuke Kawagucci,Toshitaka Gamo,Takazo Shibuya,Takashi Sawaguchi,Natsuki Neo,Masato Joshima,Taichi Sato,Ken Takai, Geological background of the Kairei and Edmond hydrothermal fields along the Central Indian Ridge: Implications of their vent fluids' distinct chemistry, Geofluids, - 2008.

Keiko Sato, Hidenori Kumagai, Hajimu Tamura, Hiroshi Kawabata, Development of un-irradiated and un-spiked laser fusion K-Ar dating, Chikyukagaku (Geochemistry, 42, 4, 177-197, 2008.

Susumu UMINO, Nobuo GESHI, Hidenori KUMAGAI, Kiyoyuki KISIMOTO, Do off-ridge volcanoes on the East Pacific Rise originate from the Moho transition zone?, Journal of Geography, 117, 1, 190-219, 2008.

Tomoaki MORISHITA, Kentaro NAKAMURA, Takashi Sawaguchi, Kaori HARA, Shoji Arai, Hidenori KUMAGAI, Elemental Mobilizations during Hydrothermal Alteration of Oceanic Lithosphere, Journal of Geography, 117, 1, 220-252, 2008.

Hiroshi SATO, Hidenori KUMAGAI, Natsuki NEO, Kentaro NAKAMURA, Variation of chemical compositions of Mid-ocean ridge basalts (MORB) and its origin, Journal of Geography, 117, 1, 124-145, 2008.

2007
Tomoaki MORISHITA, Jinichiro MAEDA, Sumio MIYASHITA, Hidenori KUMAGAI, Takeshi MATSUMOTO, Henry J.B. DICK, Petrology of local concentration of chromian spinel in dunite from the slowspreading Southwest Indian Ridge, Eur J. Mineral., 19, 871-882, 2007.

Nobuo Geshi, Susumu Umino, Hidenori Kumagai, John M. Sinton, Scott M. White, Kiyoyuki Kisimoto, Thomas W. Hilde, Discrete plumbing systems and heterogeneous magma sources of a 24 km3 off-axis lava field on the western flank of East Pacific Rise, 14[deg]S, Earth Planet. Sci. Lett., 258, 1-2, 61-72, 2007.

Kentaro Nakamura, Tomoaki Morishita, Qing Chang, Natsuki Neo, Hidenori Kumagai, Discovery of lanthanide tetrad effect in an oceanic plagiogranite from an Ocean Core Complex at the Central Indian Ridge 25[deg.]S systems, Geochem. J., 41, 135-140, 2007.

2006
Ken Takai, Kentaro Nakamura, Katsuhiko Suzuki, Fumio Inagaki, Kenneth H Nealson, Hidenori Kumagai, Ultramafics-Hydrothermalism-Hydrogenesis-HyperSLiME (UltraH3) linkage: a key insight into early microbial ecosystem in the Archean deep-sea hydrothermal systems, Paleontological Research, 10, 4, 269-282, 2006.

S.M. White, S. Umino, H. Kumagai, Transition from seamount chain to intra-plate volcanic ridge at the East Pacific Rise, Geology, 34, 4, 293-296, 2006.

2005
H. Sumino, J. Yamamoto, H. Kumagai, Noble gas studies of mantle-derived xenoliths: mantle metasomatism revealed by noble gas isotopes – a review, Japanese Magazine of Mineralogical and Petrological Sciences, 34, 173-185, 2005.

H. Kumagai, I. Kaneoka, Noble gas isgnatures around the Rodriguez Triple Junction in the Indian Ocean &, Geochim. Cosmochim. Acta, 69, 23, 5567-5583, 2005.