Outline of Session

   

Solid Earth Sciences(S) / Complex & General(CG)
S-CG64 Ocean Floor Geoscience


Short title Ocean Floor Geoscience
Oral presentation
Date/Room/Chair
May 27 AM2 (12:00 - 12:45) A05 Kyoko Okino 
May 27 PM1 (14:15 - 16:00) A05 Tatsuo Nozaki  / Yohei Hamada 
May 27 PM2 (16:15 - 18:00) A05 Chie Honsho  / Michimasa Musha 
May 28 AM1 (09:00 - 10:45) A05 Hiroshi Sato  / Takehi Isse 
May 28 AM2 (11:00 - 12:45) A05 Shiki Machida  / Yoshifumi Kawada 
May 28 PM1 (14:15 - 16:00) A05 Mikiya Yamashita  / Tomohiro Toki 
May 28 PM2 (16:15 - 18:00) A05 Tadashi Ishikawa  / Ryoya Ikuta 
Poster presentation
Date/Room
May 27 (Core Time 18:15 - 19:30) Convention Hall
Contact Kyoko Okino
Email okino@aori.u-tokyo.ac.jp
Convener Kyoko Okino  / Keiichi Tadokoro  / Osamu Ishizuka  / Tomohiro Toki  / Narumi Takahashi 
Scope Ocean Floor Geoscience session covers a broad range of research on seafloor such as mid-ocean ridge process, subduction dynamics, arc magmatism, hot spot and LIPs, crustal movement and structure etc. Every field of researches and every approaches are welcomed. The session aims to encourage discussion among scientists from different study fields and to integrate our understanding of ocean floor.
Notes Bring your own PC. Presentation 11min. and discussion 4 min.


Time Presentation No Title Author Presenter Abstract
Oral Presentation   May 27 AM2 (12:00-12:45) A05                              to the top
12:00 - 12:15 SCG64-01 A kick-off drilling expedition at Iheya-North Knoll in Ore Genesis study of Ocean Resources in SIP KUMAGAI, Hidenori
TAKAI, Ken
KUBO, Yusuke
other
KUMAGAI, Hidenori
12:15 - 12:30 SCG64-02 Estimation of under-seafloor fluid on temperature and volume from the logging-while-drilling data HAMADA, Yohei
SAITO, Saneatsu
SANADA, Yoshinori
other
HAMADA, Yohei
12:30 - 12:45 SCG64-03 Lithology, constituent mineral, geochemical composition of the drilled core obtained by CK14-04 Cruise, Okinawa Trough NOZAKI, Tatsuo
TAKAYA, Yutaro
YAMASAKI, Toru
other
NOZAKI, Tatsuo
Oral Presentation   May 27 PM1 (14:15-16:00) A05                              to the top
14:15 - 14:30 SCG64-04 P-wave velocity structure in the southern Okinawa Trough NISHIZAWA, Azusa
KANEDA, Kentaro
OIKAWA, Mitsuhiro
other
NISHIZAWA, Azusa
14:30 - 14:45 SCG64-05 MCS profiles of knolls scattered in the southern Okinawa trough OIKAWA, Mitsuhiro
NISHIZAWA, Azusa
KANEDA, Kentaro
other
OIKAWA, Mitsuhiro
14:45 - 15:00 SCG64-06 Sub-seafloor structure of hydrothermal deposits in Hakurei site, Izena Hole, the Mid-Okinawa Trough by VCS survey TARA, Kenji
ASHI, Juichiro
ASAKAWA, Eiichi
other
TARA, Kenji
15:00 - 15:15 SCG64-07 Hydrothermal sulfide/sulfate and alteration minerals obtained by drilling below the Iheya North Knoll hydrothermal field ISHIBASHI, Jun-ichiro
INOUE, Hiroyasu
TOTSUKA, Shuhei
other
ISHIBASHI, Jun-ichiro
15:15 - 15:30 SCG64-08 ESR dating of barite in sea-floor hydrothermal sulfide deposits in comparison with disequilibrium dating FUJIWARA, Taisei
TOYODA, Shin
UCHIDA, Ai
other
FUJIWARA, Taisei
15:30 - 15:45 SCG64-09 Preliminary report of AUV URASHIMA dives at Tarama and Irabu hydrothermal fields OKINO, Kyoko
ASADA, Miho
NOGUCHI, Takuroh
other
OKINO, Kyoko
15:45 - 16:00 SCG64-10 Deepsea Magnetics on Tarama and Irabu Hydrothermal Fields FUJII, Masakazu
OKINO, Kyoko
FUJII, Masakazu
Oral Presentation   May 27 PM2 (16:15-18:00) A05                              to the top
16:15 - 16:30 SCG64-11 Underwater gravity survey using autonomous underwater vehicle in Izena caldera, the middle Okinawa Trough SHINOHARA, Masanao
ISHIHARA, Takemi
YAMADA, Tomoaki
other
SHINOHARA, Masanao
16:30 - 16:45 SCG64-12 Deep-sea magnetic and acoustic surveys using AUVs in the Bayonnaise knoll and Myojin knoll calderas HONSHO, Chie
KIM, Kangsoo
URA, Tamaki
HONSHO, Chie
16:45 - 17:00 SCG64-13 Electrical resistivity structure of the oceanic crust around hydrothermal vent sites on East Pacific Rise at N9 50' TERAOKA, Takuya
SEAMA, Nobukazu
EVANS, Rob
TERAOKA, Takuya
17:00 - 17:15 SCG64-14 Chemical composition and stratigraphy of sea floor sediments in Kikai Caldera and Nagahama Bay, Satsuma Iwo-jima Island HARADA, Takuto
KIYOKAWA, Shoichi
IKEHARA, Minoru
HARADA, Takuto
17:15 - 17:30 SCG64-15 Abiotic formation of methane by oxidation of sulfur species under hudrythermal conditions MUSHA, Michimasa
TSUCHIYA, Noriyoshi
OKAMOTO, Atsushi
MUSHA, Michimasa
17:30 - 17:45 3-min talk in an oral session (SCG64-P01/SCG64-P06/SCG64-P07/SCG64-P08/SCG64-P09)
17:45 - 18:00 3-min talk in an oral session (SCG64-P11/SCG64-P15/SCG64-P16/SCG64-P19)
Oral Presentation   May 28 AM1 (09:00-10:45) A05                              to the top
09:00 - 09:15 SCG64-16 Paleoshape of Antarctica and Australia TAGAMI, Yusuke
HARADA, Yasushi
HARADA, Yasushi
09:15 - 09:30 SCG64-17 Seismic structure at the Kairei Hydrothermal vent field near the Rodriguez Triple Junction in the Indian Ocean TAKATA, Hiroyoshi
SATO, Toshinori
MORI, Taiyu
other
SATO, Toshinori
09:30 - 09:45 SCG64-18 Distributions of mantle heterogeneity across segment at southern segment of Central Indian Ridge SATO, Hiroshi
MACHIDA, Shiki
SENDA, Ryoko
SATO, Hiroshi
09:45 - 10:00 SCG64-19 On the origin of seafloor flattening KORENAGA, Jun KORENAGA, Jun
10:00 - 10:15 SCG64-20 Pacific Array KAWAKATSU, Hitoshi
TAKEO, Akiko
ISSE, Takehi
other
KAWAKATSU, Hitoshi
10:15 - 10:30 SCG64-21 Oceanic plate structure beneath the northwestern Pacific Ocean revealed by explosion experiments ISSE, Takehi
SHIOBARA, Hajime
YAMADA, Tomoaki
other
ISSE, Takehi
10:30 - 10:45 SCG64-22 Geographical distribution of shear wave anisotropy within marine sediments in the northwestern Pacific TONEGAWA, Takashi
FUKAO, Yoshio
FUJIE, Gou
other
TONEGAWA, Takashi
Oral Presentation   May 28 AM2 (11:00-12:45) A05                              to the top
11:00 - 11:15 SCG64-23 Crustal thickness of the Ontong Java Plateau revealed from traveltime inversion analysis MIURA, Seiichi
FUJIE, Gou
NOGUCHI, Naoto
other
MIURA, Seiichi
11:15 - 11:30 SCG64-24 New insights into the oceanic lithosphere from petit-spot around the Marcus Island HIRANO, Naoto
IWANO, Hideki
SHIMIZU, Kenji
other
HIRANO, Naoto
11:30 - 11:45 SCG64-25 Experimental constraint on magma genesis for petit-spot in the northwestern Pacific: the second step MACHIDA, Shiki
KOGISO, Tetsu
HIRANO, Naoto
MACHIDA, Shiki
11:45 - 12:00 SCG64-26 Dense heat flow measurements on the outer rise of the Japan Trench: Fracturing and pore fluid flow in the oceanic crust YAMANO, Makoto
KAWADA, Yoshifumi
HAMAMOTO, Hideki
YAMANO, Makoto
12:00 - 12:15 SCG64-27 Fluid flow in a partially-thickening aquifer: A model for km-scale high heat flow on the outer rise of the Japan Trench KAWADA, Yoshifumi
YAMANO, Makoto
KAWADA, Yoshifumi
12:15 - 12:30 SCG64-28 Large tsunamis along a weakly coupled interface in the western Ryukyu trench ANDO, Masataka
IKUTA, Ryoya
ANDO, Masataka
12:30 - 12:45 SCG64-29 Digital terrain analysis of sea-land combined data on the Outer Zone of Southwest Japan IWAHASHI, Junko
MATSUSHI, Yuki
FUKUOKA, Hiroshi
IWAHASHI, Junko
Oral Presentation   May 28 PM1 (14:15-16:00) A05                              to the top
14:15 - 14:30 SCG64-30 Seismic velocity structure beneath the Philippine Sea plate descending under the Kumano basin KAMIYA, Shin'ichiro
SUZUKI, Kensuke
TAKAHASHI, Narumi
KAMIYA, Shin'ichiro
14:30 - 14:45 SCG64-31 Deformation structure obtained by high resolution multi-channel seismic reflection survey around Nankai Trough axis YAMASHITA, Mikiya
NAKANISHI, Ayako
NAKAMURA, Yasuyuki
other
YAMASHITA, Mikiya
14:45 - 15:00 SCG64-32 Improvement of gas hydrate response in marine controlled-source electromagnetic exploration using fictitious wave domain KUSUDA, Kei
GOTO, Tada-nori
TAKEKAWA, Junichi
KUSUDA, Kei
15:00 - 15:15 SCG64-33 Pie-shaped and dome-shaped submarine mud volcanoes KIOKA, Arata
ASHI, Juichiro
KIOKA, Arata
15:15 - 15:30 SCG64-34 Distribution of boron in slope sediment of Nankai accretionary prism off Kumano using B isotope as a tracer TOKI, Tomohiro
HIGA, Kota
SHINJO, Ryuichi
TOKI, Tomohiro
15:30 - 15:45 SCG64-35 Development of a stand-alone gamma-ray measuring system for long-term change at the sea floor, and first measurement NINAGAWA, Kiyotaka
TOYODA, Shin
FUJIWARA, Taisei
other
NINAGAWA, Kiyotaka
15:45 - 16:00 SCG64-36 The changes of past sea-bottom environment deduced from the recent benthic foraminifera Southern off Costa Rica UCHIMURA, Hitomi
HASEGAWA, Shiro
NISHI, Hiroshi
UCHIMURA, Hitomi
Oral Presentation   May 28 PM2 (16:15-18:00) A05                              to the top
16:15 - 16:30 SCG64-37 GPS-Acoustic seafloor geodetic observation by Japan Coast Guard - results and future plan - ISHIKAWA, Tadashi
WATANABE, Shun-ichi
YOKOTA, Yusuke
ISHIKAWA, Tadashi
16:30 - 16:45 SCG64-38 Postseismic deformation following the 2011 Tohoku-oki earthquake measured by seafloor geodetic observation TOMITA, Fumiaki
KIDO, Motoyuki
OSADA, Yukihito
other
TOMITA, Fumiaki
16:45 - 17:00 SCG64-39 Seafloor movements on the northern part of the Philippine Sea plate detected by GPS-acoustic observation WATANABE, Shun-ichi
ISHIKAWA, Tadashi
YOKOTA, Yusuke
WATANABE, Shun-ichi
17:00 - 17:15 SCG64-40 Numerical simulation of GPS-Acoustic seafloor geodetic observation for accuracy evaluation YOKOTA, Yusuke
ISHIKAWA, Tadashi
WATANABE, Shun-ichi
YOKOTA, Yusuke
17:15 - 17:30 SCG64-41 Development of a new method for GPS/Acoustic seafloor positioning using multi-buoy system IKUTA, Ryoya
HARUKA, Mukaiyama
TADOKORO, Keiichi
other
IKUTA, Ryoya
17:30 - 17:45 SCG64-42 Development of on-demand buoy system for crustal displacement observation and future plan TAKAHASHI, Narumi
ISHIHARA, Yasuhisa
FUKUDA, Tatsuya
other
TAKAHASHI, Narumi
17:45 - 18:00 SCG64-43 Launching seafloor geodetic monitoring for the North Anatolian Fault in the Marmara Sea, Turkey KIDO, Motoyuki
TAKAHASHI, Narumi
YAMAMOTO, Yojiro
other
KIDO, Motoyuki


Presentation No Title Author Presenter Abstract
Poster Presentation   May 27  Core Time (18:15-19:30) Convention Hall                    to the top
SCG64-P01 Occurrence of hydrothermal kaolin minerals beneath the Iheya North Knoll hydrothermal field in the Okinawa Trough TSUTSUMI, Saki
ISHIBASHI, Jun-ichiro
UEHARA, Seiichiro
other
TSUTSUMI, Saki
SCG64-P02 The structure of iron oxidized mounds at shallow marine hydrothermal environment in Satsuma Iwo-jima Island, Kagoshima KURATOMI, Takashi
KIYOKAWA, Shoichi
IKEHARA, Minoru
other
KURATOMI, Takashi
SCG64-P03 Geochemistry of trace alkali elements in the seafloor hydrothermal fluids EBINA, Naoya
ISHIBASHI, Jun-ichiro
EBINA, Naoya
SCG64-P04 Seismicity at the Kairei Hydrothermal Vent Field Near the Rodriguez Triple Junction in the Indian Ocean MORI, Taiyu
SATO, Toshinori
TAKATA, Hiroyoshi
other
MORI, Taiyu
SCG64-P05 Petrographical and morphological charaeter or volcanicrocks dredgard around the Sumisu calderam, Izu-Ogasawara arc UEHARA, Taiki
SAKAMOTO, Izumi
YAGI, Masatoshi
other
UEHARA, Taiki
SCG64-P06 Petrological study on Marcus Island KAWANO, Takaomi
HIRANO, Naoto
MORISHITA, Taisei
KAWANO, Takaomi
SCG64-P07 Olivine xenocrysts in lava of petit-spot volcano TAKI, Arashi
HIRANO, Naoto
YAMAMOTO, Junji
other
TAKI, Arashi
SCG64-P08 Petrological analysis of Fe(III)-rich serpentine in the Central Indian Ridge serpentinites SHIMIZU, Shota
MIZUKAMI, Tomoyuki
SODA, Yusuke
other
SHIMIZU, Shota
SCG64-P09 Lithosphere-Asthenosphere boundary beneath NW Pacific Ocean detected with seismic waveform data ABE, Yuki
KAWAKATSU, Hitoshi
SHIOBARA, Hajime
other
ABE, Yuki
SCG64-P10 Sharp gravity increase following an outer-rise earthquake: possibility of viscoelastic rebound by melt-rich channel MATSUO, Koji
FUKUDA, Yoichi
TANAKA, Yoshiyuki
MATSUO, Koji
SCG64-P11 Earthquake induced deposits during the 2004 off Kii Peninsula earthquakes at a terminal basin ASHI, Juichiro
OMURA, Akiko
OKUTSU, Natsumi
other
ASHI, Juichiro
SCG64-P12 Microstructure analysis of earthquake-induced deposits associated with the 2004 off Kii Peninsula earthquakes OKUTSU, Natsumi
ASHI, Juichiro
OMURA, Akiko
other
OKUTSU, Natsumi
SCG64-P13 Application of C-14 dating on {i}Calyptogena{/i} shells for historical fault activity analysis off Tokai, Nankai Trough YAGASAKI, Kazuhiro
KURAMOTO, Shin'ichi
ASHI, Juichiro
other
YAGASAKI, Kazuhiro
SCG64-P14 Distribution of methane hydrate BSRs and shallow thermal structure in the Nankai subduction zone OHDE, Akihiro
OTSUKA, Hironori
KIOKA, Arata
other
OHDE, Akihiro
SCG64-P15 Physical property of sea bottom surface estimated from fin whale vocalization IWASE, Ryoichi IWASE, Ryoichi
SCG64-P16 Crustal density structure derived from gravity modelling using results of seismic crustal structure surveys FUJIOKA, Yukari
ISHIHARA, Takemi
FUJIOKA, Yukari
SCG64-P17 Seafloor crustal deformation at the Kumano Basin and along the Nankai Trough TADOKORO, Keiichi
FUJII, Cosmo
YASUDA, Kenji
other
TADOKORO, Keiichi
SCG64-P18 Improvement in the accuracy of GPS/Acoustic measurement using a multi-purpose moored buoy IMANO, Misae
KIDO, Motoyuki
OHTA, Yusaku
other
IMANO, Misae
SCG64-P19 GANSEKI: Utilize fieldwork information for studying JAMSTEC rock samples TOMIYAMA, Takayuki
SOMA, Shinsuke
HORIKAWA, Hiroki
TOMIYAMA, Takayuki