Outline of Session

Biogeosciences(B) / Biogeosciences & Geosphere-Biosphere Interactions(BG)
B-BG21 Trans-crustal advection and in situ reaction of global sub-seafloor aquifer


Short title TAIGA
Oral presentation
Date/Room/Chair
May 21 PM1 (13:45 - 15:15) 101A Shuro Yoshikawa  / Michinari Sunamura 
May 21 PM2 (15:30 - 17:00) 101A Katsunori Yanagawa  / Jun-ichiro Ishibashi 
Poster presentation
Date/Room
May 21 (Core Time 10:45 - 12:15, 17:15 - 18:30)  
Contact Michinari Sunamura
Email sunamura@eps.s.u-tokyo.ac.jp
Convener Michinari Sunamura  / Jun-ichiro Ishibashi  / Katsuhiko Suzuki 
Scope Seafloor is the largest boundary layer of the solid earth system. Huge flux of heat and chemicals has been observed across the layer from the interior of the earth. This flux depends on the subseafloor water advection (named TAIGA). This session focuses on interactions between lithosphere, hydrosphere, and biosphere through the fluid circulation system beneath the seafloor and terrestrial ground and deep earth.
Notes  


Time Presentation No Title Author Presenter Abstract
Oral Presentation   May 21 PM1 (13:45-15:15) 101A                              to the top
13:45 - 14:00 BBG21-01 Chemical characteristics of arc magma and seafloor sulfide deposits on back-arc spreading center and off-ridge volcanoes Tetsuro Urabe
Shuntaro Kanamori
On-board Scientists of TAIGA Mariana Cruise
Tetsuro Urabe English
14:00 - 14:15 BBG21-02 Geomorphological and geological characteristics of hydrothermal system in the southern Mariana Trough Shuro Yoshikawa
Kyoko Okino
Miho Asada
other
Shuro Yoshikawa English
14:15 - 14:30 BBG21-03 Electromagnetic constraints on a melting region beneath the central Mariana back-arc spreading ridge Tetsuo Matsuno
EVANS, Rob. L.
Nobukazu Seama
Tetsuo Matsuno English
14:30 - 14:45 BBG21-04 Appearance of iron-dependent chemosynthetic ecosystem at the Southern Mariana Trough Shingo Kato
Kentaro Nakamura
Tomohiro Toki
other
Shingo Kato English
14:45 - 15:00 BBG21-05 History of hydrothermal activity in the Mariana Trough estimated by population structure of vent-endemic snails Shigeaki Kojima
Hiroka Hidaka
Yasunori Kano
other
Shigeaki Kojima English
15:00 - 15:15 BBG21-06 Population genetic structure of deep-sea vent chemolithoautotrophs Sayaka Mino
Satoshi Nakagawa
Junichi Miyazaki
other
Sayaka Mino English
Oral Presentation   May 21 PM2 (15:30-17:00) 101A                              to the top
15:30 - 15:45 BBG21-07 Diversity of seafloor massive sulfide ores in the Okinawa Trough Jun-ichiro Ishibashi
Mitsuhiro Ooki
Kazuhiko Shimada
other
Jun-ichiro Ishibashi English
15:45 - 16:00 BBG21-08 Microbial community and activity beneath the hydrothermal vent at the Iheya North field of the Mid-Okinawa Trough Katsunori Yanagawa
Takuro Nunoura
Shinsuke Kawagucci
other
Katsunori Yanagawa English
16:00 - 16:15 BBG21-09 Decrease of arsenate adsorption onto bacteriogenic iron oxides (BIOS) by the presence of organic material Sakiko kikuchi
TAKAHASHI Yoshio
Sakiko kikuchi English
16:15 - 16:30 BBG21-10 Solid-water distributions of Mo and W in water-sediment system under various redox condition Omori Eriko
Yoshio Takahashi
Shinsuke Kawagucci
other
Yoshio Takahashi English
16:30 - 16:45 3-min talk in an oral session
Presentation No Title Author Presenter Abstract
BBG21-P01 Experimental constraints on hydrogen generation and their linkage to the eco-system in ridge system Katsuhiko Suzuki
Takazo Shibuya
Motoko Yoshizaki
other
Katsuhiko Suzuki English
BBG21-P02 Electrical resistivity structure of the upper mantle beneath the southern Mariana Trough Haruka Shindo
Nobukazu Seama
Tetsuo Matsuno
other
Haruka Shindo English
BBG21-P03 Decay of natural remanent magnetization of oceanic basalt on the back-arc spreading axis in the southern Mariana Nobutatsu Mochizuki
Yoshifumi Nogi
Miho Asada
other
Nobutatsu Mochizuki English
BBG21-P04 Crustal magnetic structure around the hydrothermal fields in the Southern Mariana Trough Masakazu Fujii
Kyoko Okino
Nobutatsu Mochizuki
other
Masakazu Fujii English
BBG21-P05 U-Th radioactive disequilibrium dating of hydrothermal sulfide minerals from Okinawa and South Mariana Trough Asako Takamasa
Shun'ichi Nakai
Fumihiro Sato
other
Asako Takamasa English
16:45 - 17:00 3-min talk in an oral session
Presentation No Title Author Presenter Abstract
BBG21-P06 Distribution of hydrothermal clay minerals in cores obtained by TAIGA 11 cruise from the Middle Okinawa Trough Youko Miyoshi
Jun-ichiro Ishibashi
Mitsuhiro Ooki
other
Youko Miyoshi English
BBG21-P07 Growth rate determination of ferromanganese crusts from the Takuyo Daigo Seamount using an osmium isotope stratigraphy Ayaka Tokumaru
Tatsuo Nozaki
Katsuhiko Suzuki
other
Ayaka Tokumaru English
BBG21-P08 Reactivity of chromate, molybdate, and tungstate on ferrihydrite by XAFS and molecular orbital calculation Daisuke Ariga Daisuke Ariga English
BBG21-P09 Mineralogy and geochemistry of hydrothermal ores collected from active hydrothermal fields in shallow water depth Mitsuhiro Ooki
Youko Miyoshi
Kazuhiko Shimada
other
Mitsuhiro Ooki English
BBG21-P10 Ecological effect of hydrothermal plume on deep sea environment Michinari Sunamura Michinari Sunamura English


Presentation No Title Author Presenter Abstract
Poster Presentation   May 21  Core Time (10:45-12:15, 17:15-18:30)                     to the top
BBG21-P01 Experimental constraints on hydrogen generation and their linkage to the eco-system in ridge system Katsuhiko Suzuki
Takazo Shibuya
Motoko Yoshizaki
other
Katsuhiko Suzuki English
BBG21-P02 Electrical resistivity structure of the upper mantle beneath the southern Mariana Trough Haruka Shindo
Nobukazu Seama
Tetsuo Matsuno
other
Haruka Shindo English
BBG21-P03 Decay of natural remanent magnetization of oceanic basalt on the back-arc spreading axis in the southern Mariana Nobutatsu Mochizuki
Yoshifumi Nogi
Miho Asada
other
Nobutatsu Mochizuki English
BBG21-P04 Crustal magnetic structure around the hydrothermal fields in the Southern Mariana Trough Masakazu Fujii
Kyoko Okino
Nobutatsu Mochizuki
other
Masakazu Fujii English
BBG21-P05 U-Th radioactive disequilibrium dating of hydrothermal sulfide minerals from Okinawa and South Mariana Trough Asako Takamasa
Shun'ichi Nakai
Fumihiro Sato
other
Asako Takamasa English
BBG21-P06 Distribution of hydrothermal clay minerals in cores obtained by TAIGA 11 cruise from the Middle Okinawa Trough Youko Miyoshi
Jun-ichiro Ishibashi
Mitsuhiro Ooki
other
Youko Miyoshi English
BBG21-P07 Growth rate determination of ferromanganese crusts from the Takuyo Daigo Seamount using an osmium isotope stratigraphy Ayaka Tokumaru
Tatsuo Nozaki
Katsuhiko Suzuki
other
Ayaka Tokumaru English
BBG21-P08 Reactivity of chromate, molybdate, and tungstate on ferrihydrite by XAFS and molecular orbital calculation Daisuke Ariga Daisuke Ariga English
BBG21-P09 Mineralogy and geochemistry of hydrothermal ores collected from active hydrothermal fields in shallow water depth Mitsuhiro Ooki
Youko Miyoshi
Kazuhiko Shimada
other
Mitsuhiro Ooki English
BBG21-P10 Ecological effect of hydrothermal plume on deep sea environment Michinari Sunamura Michinari Sunamura English
BBG21-P11 Electrical resistivity structure of a seafloor hydrothermal system at the southern Mariana Trough spreading axis Maho Kimura
Nobukazu Seama
Tetsuo Matsuno
other
Tetsuo Matsuno English
BBG21-P12 Evaluation of redox condition by selenium speciation coprecipitated with barite Kouhei Tokunaga
Yuka Yokoyama
Omori Eriko
other
Kouhei Tokunaga English
BBG21-P13 Geochemisty of pore fluids collected from active hydrothermal fields in the mid-Okinawa Trough Jun-ichiro Ishibashi
Kazuya Tanaka
Omori Eriko
other
Jun-ichiro Ishibashi English
BBG21-P14 Hydrothermalreaction between NaCl fluid and felsic rock collected from the Hatoma knoll, Japan Yuka Masaki
Takazo Shibuya
Motoko Yoshizaki
other
Yuka Masaki English
BBG21-P15 Comparative analysis of microbial community on ferro-manganese crusts from Takuyo-Daigo seamount and Ryusei seamount Shouta Nitahara
Shingo Kato
Rejishkumar V.J
other
Shouta Nitahara English