Presentations -

Origin of methane in surface sediment from North flank of Daini-Atsumi Knoll

Tomohiro Toki, Urumu Tsunogai, Toshitaka Gamo, Manabu Tanahashi

Methane Hydrates and Fluid Flow in Upper Accretionary Prisms (PrismFluid 2004)  (Kyoto University)  2004.03  -  2004.03 

Sources of low-chloride fluids in sediments beneath biological communities on the Nankai accretionary wedge off Kumano

Tomohiro Toki, Urumu Tsunogai, Toshitaka Gamo, Shin’ichi Kuramoto, Juichiro Ashi

AGU 2003 Fall Meeting  (Moscone convention Center, San Francisco, California)  2003.12  -  2003.12 

Geochemical study of cold seeps on the seafloor off Kumano in Nankai Trough

Tomohiro Toki, Urumu Tsunogai, Toshitaka Gamo, Shin’ichi Kuramoto

V.M.Goldschmidt Conference  (Kurashiki, Okayama)  2003.09  -  2003.09 

Origin and flow rate of low-chloride fluids in a cold seep field on the accretionary wedge, off Kumano, Nankai Trough

Tomohiro Toki, Urumu Tsunogai, Toshitaka Gamo, and Shin’ichi Kuramoto

IUGG2003  (Sapporo, Hokkaido)  2003.06  -  2003.07 

Concentration of Biologically Important Chemical Species in Hydrothermal Fluids from Submarine Arc Volcano Suiyo Seamount

Jun-ichiro Ishibashi, Yusuke Morimoto, Yuko Umeki, Fumitaka Kouzuma, Tomohiro Toki, Urumu Tsunogai, Kenji Nanba, Motoo Utsumi, Toshiro Yamanaka, Hitoshi Chiba, Kei Okamura

AGU 2002 Fall Meeting  (Moscone convention Center, San Francisco, California)  2002.12  -  2002.12 

Seafloor Manifestations of Fluid Venting and Sallow Gas-hydrate BSRs at the Outer Ridge of the Eastern Nankai Trough

Juichiro Ashi, Saneatsu Saito, Kan Aoike, Tomohiro Toki, Shin’ichi Kuramoto, Pierre Henry

AGU 2002 Fall Meeting  (Moscone convention Center, San Francisco, California)  2002.12  -  2002.12 

Tectonic features of out-of-sequence-thrusts in central Nankai accretionary prism

Saneatsu Saito, Shin’ichi Kuramoto, Juichiro Ashi, Masataka Kinoshita, Kotaro Ujiie, Arito Sakaguchi, Siegfried Lallemant, Tomohiro Toki, Yusuke Kubo, Naoto Misawa, NT02-02 and YK02-02 Shipboard Party

AGU 2002 Fall Meeting  (Moscone convention Center, San Francisco, California)  2002.12  -  2002.12 

Stable isotopic compositions of CO in hydrothermal fluid: signature of sub-vent biosphere

Urumu Tsunogai, Fumitaka Kouzuma, Tomohiro Toki, Toshitaka Gamo, Jun-ichiro Ishibashi

2002 Ocean Sciences Meeting  (Honolulu, Hawaii)  2002.02  -  2002.02 

Distribution of natural gases and hot springs around the Ryukyu Islands

Tomohiro Toki

1900.01  -  1900.01 

Geochemical study of high-T hydrothermal fluid and chimney obtained from Tarama hydrothermal vent field in southern Okinawa Trough

Yokota Eri, Yamanaka Toshiro, Okamura Kei, Noguchi Takuro, Toki Tomohiro, Tsunogai Urumu, Ohnishi Yuji, Makita Hiroko

(The University of Tokyo)  1900.01  -  1900.01 

Distribution of hydrothermal-derived chemical components around the ore body in Izena Hole

Toki Tomohiro, Ohtake Tsubasa, Ishibashi Jun―ichiro, Matsui Yohei, Kawagucci Shinsuke, Kato Yamato, Fuchida Shigeshi, Miyahara Rena, Tsutsumi Akihi, Nakamura Shunsuke, Kawakita Ryuhei, Uza Hirotaka, Uehara Riki, Shinjo Ryuichi, Nozaki Tatsuo, Kumagai Hidenori, Maeda Lena

Abstracts of Annual Meeting of the Geochemical Society of Japan  1900.01  -  1900.01 

Review of mud volcano study: Inorganic geochemistry

Toki Tomohiro

Annual Meeting of the Geological Society of Japan  1900.01  -  1900.01 

Discharging mechanism of springs around the fault in the southeastern coast of Yonaguni Island

T. Toki, H. Kataoka, R. Takada, S. Nakaya, S. Oshima, A. Ijiri

1900.01  -  1900.01 

Sediment component in geochemistry of hydrothermal fluids from the Okinawa Trough: evidence from Sr isotopic compositions

Tomohiro Toki, Tasuku Nohara, Yoshiaki Urata, Ryuichi Shinjo, Jun-ichiro Ishibashi

The 10th International Workshop on the Oceanography and Fisheries Science of the East China Sea (2015 ECS Workshop)  (Jeju University)  1900.01  -  1900.01 

Possible constraints on hydrate dissociation in sedimentary basin: Sedimentation, compaction, deep-source fluid and diffusion

Masa Kinoshita, Tomohiro Toki

ILP2015 symposium  (University of Kyoto)  1900.01  -  1900.01 

Hydrothermal fluids of the Okinawa Trough: Sr isotopic composition

Tomohiro Toki, Ryuichi Shinjo, Jun-ichiro Ishibashi

Goldschmidt 2016  (PACIFICO Yokohama, Kanagawa)  1900.01  -  1900.01 

Estimated activities of submarine mud volcanoes off Tanegashima based on vertical profiles of pore water chemistry

Akira Ijiri, Yohei Hamada, Tomohiro Toki, Ko Agena, Tatsuro Hoshino, Kyoko Hagino, Hideaki Machiyama, Juichiro Ashi, Fumio Inagaki

JpGU-AGU 2017  (Makuhari Messe)  1900.01  -  1900.01 

Edifices on Deep-Seafloor

Tomohiro Toki

1st International Workshop on Role of Microorganism and Thermo-Hydro-Chemico-Mechanical Process in Geoengineering and Geoscience  (University of the Ryukyus)  1900.01  -  1900.01 

Distribution of hydrothermal fluid around the ore body in the subseafloor of the Izena hydrothermal field

Tomohiro Toki, Tsubasa Otake, Jun-ichiro Ishibashi, Yohei Matsui, Shinsuke Kawagucci, Hirokazu Kato, Shigeshi Fuchida, Rena Miyahara, Akihi Tsutsumi, Shunsuke Nakamura, Ryuhei Kawakida, Hirotaka Uza, Riki Uehara, Ryuichi Shinjo, Tatsuo Nozaki, Hidenori Kumagai, Lena Maeda, on-board member

AGU 2017 Fall Meeting  (New Orleans)  1900.01  -  1900.01 

Chemical compositions of interstitial waters from Iheya North Knoll and Noho Site during CK16-01 cruise

Toki Tomohiro, Shinjo Ryuichi, Nunoura Takuro, Makabe Akiko, Matsui Youhei, Kawagucci Shinsuke, Saitoh Masafumi, Kato Shingo, Nakagawa Satoshi, Tasumi Eiji, Hirai Miho, Ishibashi Jun―ichiro, On―board member

Abstracts of Annual Meeting of the Geochemical Society of Japan  1900.01  -  1900.01