Earth History

Geochemistry

Geology

Astrobiology

Aquaplanetology

Natural sciences, Solid earth science

Natural sciences, Space and planetary science

Natural sciences, Biogeoscience

Oct. 2025 - Present
Hiroshima University, 大学院先進理工系科学研究科, 客員教授

Jul. 2025 - Present
Japan Agency for Marine-Earth Science and Technology, プログラムディレクター代理

Oct. 2024 - Present
Japan Agency for Marine-Earth Science and Technology, Principal Researcher

Oct. 2024 - Mar. 2025
The University of Tokyo, 総合文化研究科, 非常勤講師

Apr. 2018 - Sep. 2024
Japan Agency for Marine-Earth Science and Technology, Senior Scientist

Apr. 2018 - Mar. 2022
The University of Tokyo, Graduate School of Science Department of Earth and Planetary Science, 准教授(委)

Apr. 2016 - Mar. 2018
Japan Aerospace Exploration Agency, Institute of Space and Astronautical Science, Visiting Associate Professor

Apr. 2009 - Mar. 2017
Japan Agency for Marine-Earth Science and Technology, Scientist

Mar. 2012 - Mar. 2014
NASA Jet Propulsion Laboratory, Visiting Scientist

Apr. 2008 - Mar. 2009
Japan Agency for Marine-Earth Science and Technology, Postdoctoral Researcher

Apr. 2005 - Mar. 2008, Tokyo Institute of Technology, Graduate School of Science and Engineering, Department of Earth and Planetary Sciences

Apr. 2003 - Mar. 2005, Tokyo Institute of Technology, Graduate School of Science and Engineering, Department of Earth and Planetary Sciences

Apr. 1999 - Mar. 2003, Tokyo Institute of Technology, School of Science, Department of Earth and Planetary Sciences

Takazo Shibuya; Shuya Tan; Sakiko Kikuchi; Hisahiro Ueda; Ken Takai; Yasuhito Sekine
The Role of Hydrothermal Processes in the Evolution of Early Earth and Aquaplanets
Geophysical Monograph, 04 Nov. 2025
292, 345, 379
[Reviewed]

Keishiro Azami; Kanta Koyama; Takuya Saito; Takazo Shibuya; Syogo Kinoshita; Shiki Machida; Yasuhiro Kato; Etsuo Uchida
Petit-spot hydrothermal systems simulated: Fluid evolution, chemical fluxes, and chemoautotrophic habitability
Geochimica et Cosmochimica Acta, Nov. 2025
[Reviewed]

Tsuyoshi Iizuka; Takazo Shibuya; Takehito Hayakawa; Tetsuya Yokoyama; Ikshu Gautam; Makiko K. Haba; Kengo T. M. Ito; Yuki Hibiya; Akira Yamaguchi; Yoshinari Abe; Jérôme Aléon; Conel M. O’D. Alexander; Sachiko Amari; Yuri Amelin; Ken-ichi Bajo; Martin Bizzarro; Audrey Bouvier; Richard W. Carlson; Marc Chaussidon; Byeon-Gak Choi; Nicolas Dauphas; Andrew M. Davis; Tommaso Di Rocco; Wataru Fujiya; Ryota Fukai; Hiroshi Hidaka; Hisashi Homma; Gary R. Huss; Trevor R. Ireland; Akira Ishikawa; Shoichi Itoh; Noriyuki Kawasaki; Noriko T. Kita; Koki Kitajima; Thorsten Kleine; Shintaro Komatani; Alexander N. Krot; Ming-Chang Liu; Yuki Masuda; Kazuko Motomura; Frédéric Moynier; Kazuhide Nagashima; Izumi Nakai; Ann Nguyen; Larry Nittler; Andreas Pack; Changkun Park; Laurette Piani; Liping Qin; Sara Russell; Naoya Sakamoto; Maria Schönbächler; Lauren Tafla; Haolan Tang; Kentaro Terada; Yasuko Terada; Tomohiro Usui; Sohei Wada; Meenakshi Wadhwa; Richard J. Walker; Katsuyuki Yamashita; Qing-Zhu Yin; Shigekazu Yoneda; Hiroharu Yui; Ai-Cheng Zhang; Tomoki Nakamura; Hiroshi Naraoka; Takaaki Noguchi; Ryuji Okazaki; Kanako Sakamoto; Hikaru Yabuta; Masanao Abe; Akiko Miyazaki; Aiko Nakato; Masahiro Nishimura; Tatsuaki Okada; Toru Yada; Kasumi Yogata; Satoru Nakazawa; Takanao Saiki; Satoshi Tanaka; Fuyuto Terui; Yuichi Tsuda; Sei-ichiro Watanabe; Makoto Yoshikawa; Shogo Tachibana; Hisayoshi Yurimoto
Late fluid flow in a primitive asteroid revealed by Lu–Hf isotopes in Ryugu
Nature, 02 Oct. 2025
[Reviewed]

Shuya Tan; Yasuhito Sekine; Takazo Shibuya
Metal Limiting Habitability in Enceladus? Availability of Trace Metals for Methanogenic Life in Hydrothermal Fluids
Journal of Geophysical Research: Planets, Mar. 2025
[Reviewed]
Last

Tomoko Takahashi; Eiji Tasumi; Shotaro Tagawa; Yatsuse Majima; Junichi Miyazaki; Naoki Nishimura; Shinsuke Kawagucci; Takazo Shibuya; Ken Takai
Comparison of Phase Conditions of CO₂-Rich Fluids Measured at Different Hydrothermal Fields in the Okinawa Trough Using an In Situ Deep-Sea Raman Spectrometer
ACS Earth and Space Chemistry, 16 Feb. 2025
[Reviewed]

Koudai Taguchi; Yuichiro Ueno; Alexis Gilbert; Yohei Matsui; Takazo Shibuya; Shinsuke Kawagucci
Clumped 13C–13C isotopologue signatures of thermogenic ethane
Geochimica et Cosmochimica Acta, Feb. 2025
[Reviewed]

Shotaro Tagawa; Ryota Hatami; Kohei Morino; Shohei Terazawa; Caner Akıl; Kristin Johnson-Finn; Takazo Shibuya; Kosuke Fujishima
Prebiotic Nucleoside Phosphorylation in a Simulated Deep-Sea Supercritical Carbon Dioxide–Water Two-Phase Environment
Astrobiology, 01 Dec. 2024
24, 12, 1151, 1165
[Reviewed]

Norio Kitadai; Takazo Shibuya; Hisahiro Ueda; Eiji Tasumi; Satoshi Okada; Ken Takai
Supercritical carbon dioxide likely served as a prebiotic source of methanethiol in primordial ocean hydrothermal systems
Communications Earth & Environment, 03 Oct. 2024
5, 1
[Reviewed]

Hironao Matsumoto; Takazo Shibuya; Kotaro Shirai; Junichiro Kuroda; Katsuhiko Suzuki
Prolonged reducing and ferruginous oceanic conditions and abrupt global seawater oxidation after oceanic anoxic event 1a
Geological Society of America Bulletin, 27 Sep. 2024
[Reviewed]

Takazo Shibuya; Yasuhito Sekine; Sakiko Kikuchi; Hiroyuki Kurokawa; Keisuke Fukushi; Tomoki Nakamura; Sei-ichiro Watanabe
Aqueous alteration in icy planetesimals: The effect of outward transport of gaseous hydrogen
Geochimica et Cosmochimica Acta, Jun. 2024
[Reviewed]
Lead

Yusuke Fukami; Ryoko Ariizumi; Yuta Ijichi; Takeshi Ohno; Teruhiko Kashiwabara; Takazo Shibuya; Katsuhiko Suzuki; Takafumi Hirata
Variation in the relationship between odd isotopes of tin in mass-independent fractionation induced by the magnetic isotope effect
Proceedings of the National Academy of Sciences, 23 Apr. 2024
[Reviewed]

Masafumi Saitoh; Takazo Shibuya; Takuya Saito; Junji Torimoto; Hisahiro Ueda; Tomoki Sato; Katsuhiko Suzuki
Experimental Hydrothermal Alteration of Rhyolite and Andesite at 325 °C and 300 Bar: Implications for a Potential Role of Volcanic Glass in the Fluid Composition in the Okinawa Trough
Minerals, 29 Feb. 2024
14, 3, 259, 259
[Reviewed]

Frank Postberg; Yasuhito Sekine; Fabian Klenner; Christopher R. Glein; Zenghui Zou; Bernd Abel; Kento Furuya; Jon K. Hillier; Nozair Khawaja; Sascha Kempf; Lenz Noelle; Takuya Saito; Juergen Schmidt; Takazo Shibuya; Ralf Srama; Shuya Tan
Detection of phosphates originating from Enceladus’s ocean
Nature, 14 Jun. 2023
618, 7965, 489, 493
[Reviewed]

Naoki HIRAKAWA; Yoko KEBUKAWA; Takazo SHIBUYA; Hisahiro UEDA; Kensei KOBAYASHI
Experimental synthesis of Fe-bearing olivine at near-solidus temperatures and its decomposition during longtime heating
Journal of Mineralogical and Petrological Sciences, 2023
118, 1, n/a, n/a
[Reviewed]

Shinsuke Kawagucci; Sanae Sakai; Eiji Tasumi; Miho Hirai; Yoshihiro Takaki; Takuro Nunoura; Masafumi Saitoh; Yuichiro Ueno; Naohiro Yoshida; Takazo Shibuya; James Clifford Sample; Tomoyo Okumura; Ken Takai
Deep Subseafloor Biogeochemical Processes and Microbial Populations Potentially Associated with the 2011 Tohoku-oki Earthquake at the Japan Trench Accretionary Wedge (IODP Expedition 343)
Microbes and Environments, 2023
38, 2, n/a, n/a
[Reviewed]

Takazo Shibuya; Ken Takai
Liquid and supercritical CO2 as an organic solvent in Hadean seafloor hydrothermal systems: implications for prebiotic chemical evolution
Progress in Earth and Planetary Science, 16 Nov. 2022
[Reviewed]
Lead

Natsumi Noda; Yasuhito Sekine; Shuya Tan; Sakiko Kikuchi; Takazo Shibuya; Minako Kurisu; Yoshio Takahashi; Keisuke Fukushi; Elizabeth B. Rampe
Characterization of groundwater chemistry beneath Gale Crater on early Mars by hydrothermal experiments
Icarus, Nov. 2022
386, 115149, 115149
[Reviewed]

Imene Kerraouch; Yoko Kebukawa; Addi Bischoff; Michael E. Zolensky; Elias Wölfer; Jan L. Hellmann; Motoo Ito; Ashley King; Mario Trieloff; Jean-Alix Barrat; Phillipe Schmitt-Kopplin; Andreas Pack; Markus Patzek; Romy D. Hanna; Thomas Fockenberg; Yves Marrocchi; Marc Fries; Jérémie Mathurin; Emmanuel Dartois; Jean Duprat; Cécile Engrand; Ariane Deniset; Alexandre Dazzi; Kento Kiryu; Motoko Igisu; Takazo Shibuya; Daisuke Wakabayashi; Shohei Yamashita; Yasuo Takeichi; Yoshio Takahashi; Takuji Ohigashi; Yu Kodama; Masashi Kondo
Heterogeneous nature of the carbonaceous chondrite breccia Aguas Zarcas – Cosmochemical characterization and origin of new carbonaceous chondrite lithologies
Geochimica et Cosmochimica Acta, Oct. 2022
334, 155, 186
[Reviewed]

L. Ardoin; M.W. Broadley; M. Almayrac; G. Avice; D.J. Byrne; A. Tarantola; A. Lepland; T. Saito; T. Komiya; T. Shibuya; B. Marty
The end of the isotopic evolution of atmospheric xenon
Geochemical Perspectives Letters, Mar. 2022
20, 43, 47
[Reviewed]

H. Kurokawa; T. Shibuya; Y. Sekine; B. L. Ehlmann; F. Usui; S. Kikuchi; M. Yoda
Distant Formation and Differentiation of Outer Main Belt Asteroids and Carbonaceous Chondrite Parent Bodies
AGU Advances, Feb. 2022
3, 1
[Reviewed]

Yusuke Fukami; Teruhiko Kashiwabara; Hiroshi Amakawa; Takazo Shibuya; Akira Usui; Katsuhiko Suzuki
Tellurium stable isotope composition in the surface layer of ferromanganese crusts from two seamounts in the Northwest Pacific Ocean
Geochimica et Cosmochimica Acta, 01 Feb. 2022
318, 279, 291
[Reviewed]

Sakiko Kikuchi; Takazo Shibuya; Mariko Abe; Katsuyuki Uematsu
Experimental chondrite–water reactions under reducing and low-temperature hydrothermal conditions: Implications for incipient aqueous alteration in planetesimals
Geochimica et Cosmochimica Acta, Feb. 2022
319, 151, 167
[Reviewed]

Gaël Choblet; Gabriel Tobie; Arnaud Buch; Ondrej {\v{C } }adek; Laura M. Barge; Marie B{\={e } }hounkov{\'{a } }; Eloi Camprubi; Caroline Freissinet; Matt Hedman; Geraint Jones; Valery Lainey; Alice Le Gall; Alice Lucchetti; Shannon MacKenzie; Giuseppe Mitri; Marc Neveu; Francis Nimmo; Karen Olsson-Francis; Mark Panning; Frank Postberg; Joachim Saur; Jürgen Schmidt; Yasuhito Sekine; Takazo Shibuya; Christophe Sotin; Ondrej Soucek; Cyril Szopa; Tomohiro Usui; Steven Vance; Tim Van Hoolst
Enceladus as a potential oasis for life: Science goals and investigations for future explorations
Experimental Astronomy, 09 Nov. 2021
[Reviewed]

Hisahiro Ueda; Takazo Shibuya; Yusuke Sawaki; Katsumi Shozugawa; Akiko Makabe; Ken Takai
Chemical nature of hydrothermal fluids generated by serpentinization and carbonation of komatiite: Implications for H 2 ‐rich hydrothermal system and ocean chemistry in the early Earth
Geochemistry, Geophysics, Geosystems, 28 Oct. 2021
22, 12
[Reviewed]

Yoko Kebukawa; Michael. E. Zolensky; Cyrena A. Goodrich; Motoo Ito; Nanako O. Ogawa; Yoshinori Takano; Naohiko Ohkouchi; Kento Kiryu; Motoko Igisu; Takazo Shibuya; Matthew A. Marcus; Takuji Ohigashi; James Martinez; Yu Kodama; Muawia H. Shaddad; Peter Jenniskens; Scott Sandford
Organic matter in carbonaceous chondrite lithologies of Almahata Sitta: Incorporation of previously unsampled carbonaceous chondrite lithologies into ureilitic regolith
Meteoritics & Planetary Science, Jul. 2021
56, 7, 1311, 1327
[Reviewed]

Hisahiro Ueda; Takazo Shibuya
Composition of the Primordial Ocean Just after Its Formation: Constraints from the Reactions between the Primitive Crust and a Strongly Acidic, CO2-Rich Fluid at Elevated Temperatures and Pressures
Minerals, 06 Apr. 2021
11, 4, 389, 389
[Reviewed]
Last

Sakiko Kikuchi; Takazo Shibuya
Thermodynamic Constraints on Smectite and Iron Oxide Formation at Gale Crater, Mars: Insights into Potential Free Energy from Aerobic Fe Oxidation in Lake Water–Groundwater Mixing Zone
Minerals, 25 Mar. 2021
11, 4, 341, 341
[Reviewed]
Last

Manabu Nishizawa; Takuya Saito; Akiko Makabe; Hisahiro Ueda; Masafumi Saitoh; Takazo Shibuya; Ken Takai
Stable Abiotic Production of Ammonia from Nitrate in Komatiite-Hosted Hydrothermal Systems in the Hadean and Archean Oceans
Minerals, 19 Mar. 2021
11, 3, 321, 321
[Reviewed]

Manabu Nishizawa; Yohei Matsui; Konomi Suda; Takuya Saito; Takazo Shibuya; Ken Takai; Sunao Hasegawa; Hajime Yano
Experimental Simulations of Hypervelocity Impact Penetration of Asteroids into the Terrestrial Ocean and Benthic Cratering
Journal of Geophysical Research: Planets, 04 Nov. 2020
125, 12
[Reviewed]

Shuya Tan; Yasuhito Sekine; Takazo Shibuya; Chihiro Miyamoto; Yoshio Takahashi
The role of hydrothermal sulfate reduction in the sulfur cycles within Europa: Laboratory experiments on sulfate reduction at 100 MPa
Icarus, Nov. 2020
357, 114222, 114222
[Reviewed]

Kento Kiryu; Yoko Kebukawa; Motoko Igisu; Takazo Shibuya; Michael E. Zolensky; Kensei Kobayashi
Kinetics in thermal evolution of Raman spectra of chondritic organic matter to evaluate thermal history of their parent bodies
METEORITICS & PLANETARY SCIENCE, Aug. 2020
55, 8, 1848, 1864
[Reviewed]

Yoshinori Takano; Keita Yamada; Chisato Okamoto; Hirotaka Sawada; Ryuji Okazaki; Kanako Sakamoto; Yoko Kebukawa; Kento Kiryu; Takazo Shibuya; Motoko Igisu; Hajime Yano; Shogo Tachibana
Chemical assessment of the explosive chamber in the projector system of Hayabusa2 for asteroid sampling
EARTH PLANETS AND SPACE, Jul. 2020
72, 1
[Reviewed]

Lauren M. White; Takazo Shibuya; Steven D. Vance; Lance E. Christensen; Rohit Bhartia; Richard Kidd; Adam Hoffmann; Galen D. Stucky; Isik Kanik; Michael J. Russell
Simulating Serpentinization as It Could Apply to the Emergence of Life Using the JPL Hydrothermal Reactor
ASTROBIOLOGY, Mar. 2020
20, 3, 307, 326
[Reviewed]

Yoichi Usui; Masafumi Saitoh; Kenichiro Tani; Manabu Nishizawa; Takazo Shibuya; Chie Kato; Tomoyo Okumura; Teruhiko Kashiwabara
Identification of paleomagnetic remanence carriers in ca. 3.47 Ga dacite from the Duffer Formation, the Pilbara Craton
PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Feb. 2020
299
[Reviewed]

Ruth-Sophie Taubner; Karen Olsson-Francis; Steven D. Vance; Nisha K. Ramkissoon; Frank Postberg; Jean-Pierre de Vera; Andre Antunes; Eloi Camprubi Casas; Yasuhito Sekine; Lena Noack; Laura Barge; Jason Goodman; Mohamed Jebbar; Baptiste Journaux; Ozgur Karatekin; Fabian Klenner; Elke Rabbow; Petra Rettberg; Tina Rueckriemen-Bez; Joachim Saur; Takazo Shibuya; Krista M. Soderlund
Experimental and Simulation Efforts in the Astrobiological Exploration of Exooceans
SPACE SCIENCE REVIEWS, Jan. 2020
216, 1
[Reviewed]

Y. Isaji; H. Kawahata; N. O. Ogawa; J. Kuroda; T. Yoshimura; F. J. Jim{\'{e } }nez-Espejo; A. Makabe; T. Shibuya; S. Lugli; A. Santulli; V. Manzi; M. Roveri; N. Ohkouchi
Efficient recycling of nutrients in modern and past hypersaline environments
Scientific Reports, Dec. 2019
9, 1
[Reviewed]

Wataru Takahagi; Kaito Seo; Takazo Shibuya; Yoshinori Takano; Kosuke Fujishima; Masafumi Saitoh; Shigeru Shimamura; Yohei Matsui; Masaru Tomita; Ken Takai
Peptide Synthesis under the Alkaline Hydrothermal Conditions on Enceladus
ACS EARTH AND SPACE CHEMISTRY, Nov. 2019
3, 11, 2559, 2568
[Reviewed]

Sakiko Kikuchi; Teruhiko Kashiwabara; Takazo Shibuya; Yoshio Takahashi
Molecular-scale insights into differences in the adsorption of cesium and selenium on biogenic and abiogenic ferrihydrite
GEOCHIMICA ET COSMOCHIMICA ACTA, Apr. 2019
251, 1, 14
[Reviewed]

Yasuhito Sekine; Takazo Shibuya; Hidenori Genda; Keisuke Fukushi; Tomohiro Usui
AQUAPLANETOLOGY-A PROJECT THAT QUESTS FOR PLANETARY HABITABILITY IN THE SOLAR SYSTEM AND BEYOND
ELEMENTS, Apr. 2019
15, 2, 122, 122

Yasuhito Sekine; Takazo Shibuya; Shunichi Kamata
Enceladus: Evidence and Unsolved Questions for an Ice-Covered Habitable World
Astrobiology, 2019
399, 407
[Reviewed]

Takuya Saito; Hua-Ning Qiu; Takazo Shibuya; Yi-Bing Li; Kouki Kitajima; Shinji Yamamoto; Hisahiro Ueda; Tsuyoshi Komiya; Shigenori Maruyama
Ar-Ar dating for hydrothermal quartz from the 2.4 Ga Ongeluk Formation, South Africa: implications for seafloor hydrothermal circulation
ROYAL SOCIETY OPEN SCIENCE, Sep. 2018
5, 9
[Reviewed]

Shinnosuke Aoyama; Manabu Nishizawa; Junichi Miyazaki; Takazo Shibuya; Yuichiro Ueno; Ken Takai
Recycled Archean sulfur in the mantle wedge of the Mariana Forearc and microbial sulfate reduction within an extremely alkaline serpentine seamount
Earth and Planetary Science Letters, Jun. 2018
491, 109, 120
[Reviewed]

Shingo Kato; Takazo Shibuya; Yoshihiro Takaki; Miho Hirai; Takuro Nunoura; Katsuhiko Suzuki
Genome-enabled metabolic reconstruction of dominant chemosynthetic colonizers in deep-sea massive sulfide deposits
Environmental Microbiology, Feb. 2018
20, 2, 862, 877
[Reviewed]

Junichi Miyazaki; Shinsuke Kawagucci; Akiko Makabe; Ayu Takahashi; Kazuya Kitada; Junji Torimoto; Yohei Matsui; Eiji Tasumi; Takazo Shibuya; Kentaro Nakamura; Shunsuke Horai; Shun Sato; Jun-ichiro Ishibashi; Hayato Kanzaki; Satoshi Nakagawa; Miho Hirai; Yoshihiro Takaki; Kyoko Okino; Hiromi KayamaWatanabe; Hidenori Kumagai; Chong Chen
Deepest and hottest hydrothermal activity in the Okinawa Trough: the Yokosuka site at Yaeyama Knoll
ROYAL SOCIETY OPEN SCIENCE, Nov. 2017
4, 12
[Reviewed]

Takazo Shibuya; Tsuyoshi Komiya; Ken Takai; Shigenori Maruyama; Michael J. Russell
Weak hydrothermal carbonation of the Ongeluk volcanics: evidence for low CO2 concentrations in seawater and atmosphere during the Paleoproterozoic global glaciation
PROGRESS IN EARTH AND PLANETARY SCIENCE, Oct. 2017
4
[Reviewed]
Lead, Corresponding

R. Nakada; T. Shibuya; K. Suzuki; Y. Takahashi
Europium anomaly variation under low-temperature water-rock interaction: A new thermometer
Geochemistry International, Sep. 2017
55, 9, 822, 832
[Reviewed]

Yuta Isaji; Hodaka Kawahata; Junichiro Kuroda; Toshihiro Yoshimura; Nanako O. Ogawa; Atsushi Suzuki; Takazo Shibuya; Francisco J. Jim{\'{e } }nez-Espejo; Stefano Lugli; Andrea Santulli; Vinicio Manzi; Marco Roveri; Naohiko Ohkouchi
Biological and physical modification of carbonate system parameters along the salinity gradient in shallow hypersaline solar salterns in Trapani, Italy
Geochimica et Cosmochimica Acta, Jul. 2017
208, 354, 367
[Reviewed]

Manabu Nishizawa; Masafumi Saitoh; Yohei Matsui; Yoichi Usui; Takazo Shibuya
Removal of organic contaminants from iron sulfides as a pretreatment for mineral-mediated chemical synthesis under prebiotic hydrothermal conditions
GEOCHEMICAL JOURNAL, 2017
51, 6, 495, 505
[Reviewed]

S. Kawagucci; J. Miyazaki; T. Noguchi; K. Okamura; T. Shibuya; T. Watsuji; M. Nishizawa; H. Watanabe; K. Okino; N. Takahata; Y. Sano; K. Nakamura; A. Shuto; M. Abe; Y. Takaki; T. Nunoura; M. Koonjul; M. Singh; G. Beedessee; M. Khishma; V. Bhoyroo; D. Bissessur; L. S. Kumar; D. Marie; K. Tamaki; K. Takai
Fluid chemistry in the Solitaire and Dodo hydrothermal fields of the Central Indian Ridge
Geofluids, Dec. 2016
16, 5, 988, 1005
[Reviewed]

Takuya Saito; Takazo Shibuya; Tsuyoshi Komiya; Kouki Kitajima; Shinji Yamamoto; Manabu Nishizawa; Yuichiro Ueno; Masanori Kurosawa; Shigenori Maruyama
PIXE and microthermometric analyses of fluid inclusions in hydrothermal quartz from the 2.2 Ga Ongeluk Formation, South Africa: Implications for ancient seawater salinity
PRECAMBRIAN RESEARCH, Nov. 2016
286, 337, 351
[Reviewed]

Hisahiro Ueda; Takazo Shibuya; Yusuke Sawaki; Masafumi Saitoh; Ken Takai; Shigenori Maruyama
Reactions between komatiite and CO2-rich seawater at 250 and 350 degrees C, 500 bars: implications for hydrogen generation in the Hadean seafloor hydrothermal system
PROGRESS IN EARTH AND PLANETARY SCIENCE, Nov. 2016
3
[Reviewed]

Tatsuo Nozaki; Jun-Ichiro Ishibashi; Kazuhiko Shimada; Toshiro Nagase; Yutaro Takaya; Yasuhiro Kato; Shinsuke Kawagucci; Tomoo Watsuji; Takazo Shibuya; Ryoichi Yamada; Tomokazu Saruhashi; Masanori Kyo; Ken Takai
Rapid growth of mineral deposits at artificial seafloor hydrothermal vents
SCIENTIFIC REPORTS, Feb. 2016
6
[Reviewed]

Takazo Shibuya; Michael J. Russell; Ken Takai
Free energy distribution and hydrothermal mineral precipitation in Hadean submarine alkaline vent systems: Importance of iron redox reactions under anoxic conditions
GEOCHIMICA ET COSMOCHIMICA ACTA, Feb. 2016
175, 1, 19
[Reviewed]
Lead, Corresponding

Takazo Shibuya; Motoko Yoshizaki; Masahiko Sato; Kenji Shimizu; Kentaro Nakamura; Soichi Omori; Katsuhiko Suzuki; Ken Takai; Hideo Tsunakawa; Shigenori Maruyama
Hydrogen-rich hydrothermal environments in the Hadean ocean inferred from serpentinization of komatiites at 300 degrees C and 500 bar
PROGRESS IN EARTH AND PLANETARY SCIENCE, Dec. 2015
2
[Reviewed]
Lead, Corresponding

Masafumi Saitoh; Yuichiro Ueno; Yukio Isozaki; Takazo Shibuya; Jianxin Yao; Zhansheng Ji; Katsumi Shozugawa; Motoyuki Matsuo; Naohiro Yoshida
Authigenic carbonate precipitation at the end-Guadalupian (Middle Permian) in China: Implications for the carbon cycle in ancient anoxic oceans
PROGRESS IN EARTH AND PLANETARY SCIENCE, Nov. 2015
2
[Reviewed]

Yasuhito Sekine; Takazo Shibuya; Frank Postberg; Hsiang-Wen Hsu; Katsuhiko Suzuki; Yuka Masaki; Tatsu Kuwatani; Megumi Mori; Peng K. Hong; Motoko Yoshizaki; Shogo Tachibana; Sin-iti Sirono
High-temperature water-rock interactions and hydrothermal environments in the chondrite-like core of Enceladus
NATURE COMMUNICATIONS, Oct. 2015
6
[Reviewed]

Shingo Kato; Kei Ikehata; Takazo Shibuya; Tetsuro Urabe; Moriya Ohkuma; Akihiko Yamagishi
Potential for biogeochemical cycling of sulfur, iron and carbon within massive sulfide deposits below the seafloor
ENVIRONMENTAL MICROBIOLOGY, May 2015
17, 5, 1817, 1835
[Reviewed]

Kazumi Yoshiya; Yusuke Sawaki; Takazo Shibuya; Shinji Yamamoto; Tsuyoshi Komiya; Takafumi Hirata; Shigenori Maruyama
In-situ iron isotope analyses of pyrites from 3.5 to 3.2 Ga sedimentary rocks of the Barberton Greenstone Belt, Kaapvaal Craton
CHEMICAL GEOLOGY, May 2015
403, 58, 73
[Reviewed]

Hsiang-Wen Hsu; Frank Postberg; Yasuhito Sekine; Takazo Shibuya; Sascha Kempf; Mih{\'{a } }ly Hor{\'{a } }nyi; Antal Juh{\'{a } }sz; Nicolas Altobelli; Katsuhiko Suzuki; Yuka Masaki; Tatsu Kuwatani; Shogo Tachibana; Sin-iti Sirono; Georg Moragas-Klostermeyer; Ralf Srama
Ongoing hydrothermal activities within Enceladus
Nature, Mar. 2015
519, 7542, 207, 210
[Reviewed]

Tomoaki Morishita; Kentaro Nakamura; Takazo Shibuya; Hidenori Kumagai; Taichi Sato; Kyoko Okino; Hiroshi Sato; Rie Nauchi; Kaori Hara; Ryo Takamaru
Petrology of Peridotites and Related Gabbroic Rocks Around the Kairei Hydrothermal Field in the Central Indian Ridge
Subseafloor Biosphere Linked to Hydrothermal Systems, 2015
177, 193
[Reviewed]

Katsuhiko Suzuki; Shingo Kato; Takazo Shibuya; Takehiro Hirose; Shigshi Fuchida; V. J Rejish Kumar; Motoko Yoshizaki; Yuka Masaki; Kentaro Nakamura; Kensei Kobayashi; Harue Masuda; Akihiko Yamagishi; Tetsuro Urabe
Development of Hydrothermal and Frictional Experimental Systems to Simulate Sub-seafloor Water–Rock–Microbe Interactions
Subseafloor Biosphere Linked to Hydrothermal Systems, 2015
71, 85
[Reviewed]

Katsuhiko Suzuki; Takazo Shibuya; Motoko Yoshizaki; Takehiro Hirose
Experimental Hydrogen Production in Hydrothermal and Fault Systems: Significance for Habitability of Subseafloor H2 Chemoautotroph Microbial Ecosystems
Subseafloor Biosphere Linked to Hydrothermal Systems, 2015
87, 94
[Reviewed]

Shingo Kato; Katsuhiko Suzuki; Takazo Shibuya; Jun-ichiro Ishibashi; Moriya Ohkuma; Akihiko Yamagishi
Experimental Assessment of Microbial Effects on Chemical Interactions Between Seafloor Massive Sulfides and Seawater at 4 °C
Subseafloor Biosphere Linked to Hydrothermal Systems, 2015
95, 103
[Reviewed]

Yoichi Usui; Takazo Shibuya; Yusuke Sawaki; Tsuyoshi Komiya
Rock magnetism of tiny exsolved magnetite in plagioclase from a Paleoarchean granitoid in the Pilbara craton
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, Jan. 2015
16, 1, 112, 125
[Reviewed]

Michael J. Russell; Laura M. Barge; Rohit Bhartia; Dylan Bocanegra; Paul J. Bracher; Elbert Branscomb; Richard Kidd; Shawn McGlynn; David H. Meier; Wolfgang Nitschke; Takazo Shibuya; Steve Vance; Lauren White; Isik Kanik
The Drive to Life on Wet and Icy Worlds
ASTROBIOLOGY, Apr. 2014
14, 4, 308, 343
[Reviewed]

JUN-ICHIRO ISHIBASHI; TAKUROH NOGUCHI; TOMOHIRO TOKI; SHUNSUKE MIYABE; SHOSEI YAMAGAMI; YUJI ONISHI; TOSHIRO YAMANAKA; YUKA YOKOYAMA; ERIKO OMORI; YOSHIO TAKAHASHI; KENTA HATADA; YUZURU NAKAGUCHI; MOTOKO YOSHIZAKI; UTA KONNO; TAKAZO SHIBUYA; KEN TAKAI; FUMIO INAGAKI; SHINSUKE KAWAGUCCI
Diversity of fluid geochemistry affected by processes during fluid upwelling in active hydrothermal fields in the Izena Hole, the middle Okinawa Trough back-arc basin
GEOCHEMICAL JOURNAL, 2014
48, 4, 357, 369
[Reviewed]

Yasuhito SEKINE; Yoshinori TAKANO; Hajime YANO; Ryu FUNASE; Ken TAKAI; Morio ISHIHARA; Takazo SHIBUYA; Shogo TACHIBANA; Kiyoshi KURAMOTO; Hikaru YABUTA; Jun KIMURA; Yoshihiro FURUKAWA
Exploration of Enceladus' Water-Rich Plumes toward Understanding of Chemistry and Biology of the Interior Ocean
TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN, 2014
12, ists29, Tk{\_}7, Tk{\_}11
[Reviewed]

Takazo Shibuya
Geological and geochemical studies on seafloor hydrothermal system in the early Earth
Geochemistry, Dec. 2013
47, 4, 193, 207
[Reviewed]
Lead, Last, Corresponding

Shinsuke Kawagucci; Junichi Miyazaki; Ryota Nakajima; Tatsuo Nozaki; Yutaro Takaya; Yasuhiro Kato; Takazo Shibuya; Uta Konno; Yuzuru Nakaguchi; Kenta Hatada; Hisako Hirayama; Katsunori Fujikura; Yasuo Furushima; Hiroyuki Yamamoto; Tomo-o Watsuji; Jun-ichiro Ishibashi; Ken Takai
Post-drilling changes in fluid discharge pattern, mineral deposition, and fluid chemistry in the Iheya North hydrothermal field, Okinawa Trough
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, Nov. 2013
14, 11, 4774, 4790
[Reviewed]

Takazo Shibuya; Motoko Yoshizaki; Yuka Masaki; Katsuhiko Suzuki; Ken Takai; Michael J. Russell
Reactions between basalt and CO2-rich seawater at 250 and 350 degrees C, 500 bars: Implications for the CO2 sequestration into the modern oceanic crust and the composition of hydrothermal vent fluid in the CO2-rich early ocean
CHEMICAL GEOLOGY, Nov. 2013
359, 1, 9
[Reviewed]
Lead, Corresponding

Takazo Shibuya; Miyuki Tahata; Yuichiro Ueno; Tsuyoshi Komiya; Ken Takai; Naohiro Yoshida; Shigenori Maruyama; Michael J. Russell
Decrease of seawater CO2 concentration in the Late Archean: An implication from 2.6 Ga seafloor hydrothermal alteration
PRECAMBRIAN RESEARCH, Oct. 2013
236, 59, 64
[Reviewed]
Lead, Corresponding

Manabu Nishizawa; Keisuke Koba; Akiko Makabe; Naohiro Yoshida; Masanori Kaneko; Shingo Hirao; Jun-ichiro Ishibashi; Toshiro Yamanaka; Takazo Shibuya; Tohru Kikuchi; Miho Hirai; Junichi Miyazaki; Takuro Nunoura; Ken Takai
Nitrification-driven forms of nitrogen metabolism in microbial mat communities thriving along an ammonium-enriched subsurface geothermal stream
GEOCHIMICA ET COSMOCHIMICA ACTA, Jul. 2013
113, 152, 173
[Reviewed]

SHINGO KATO; TAKAZO SHIBUYA; KENTARO NAKAMURA; KATSUHIKO SUZUKI; V. J. REJISHKUMAR; AKIHIKO YAMAGISHI
Elemental dissolution of basalts with ultra-pure water at 340^|^deg;C and 40 Mpa in a newly developed flow-type hydrothermal apparatus
GEOCHEMICAL JOURNAL, 2013
47, 1, 89, 92
[Reviewed]

Takazo Shibuya
Chemical composition and K–Ar age of Phengite from Barrovian metapelites, Loch Leven, Scotland
The Journal of the Geological Society of Japan, 2013
119, 6, 437, 442
[Reviewed]

Yoshiaki Kon; Tsuyoshi Komiya; Ryo Anma; Takafumi Hirata; Takazo Shibuya; Shinji Yamamoto; Shigenori Maruyama
Petrogenesis of the ridge subduction-related granitoids from the Taitao Peninsula, Chile Triple Junction Area
GEOCHEMICAL JOURNAL, 2013
47, 2, 167, 183
[Reviewed]

Kentaro Nakamura; Hiromi Watanabe; Junichi Miyazaki; Ken Takai; Shinsuke Kawagucci; Takuro Noguchi; Suguru Nemoto; Tomo-o Watsuji; Takuya Matsuzaki; Takazo Shibuya; Kei Okamura; Masashi Mochizuki; Yuji Orihashi; Tamaki Ura; Akira Asada; Daniel Marie; Meera Koonjul; Manvendra Singh; Girish Beedessee; Mitrasen Bhikajee; Kensaku Tamaki
Discovery of New Hydrothermal Activity and Chemosynthetic Fauna on the Central Indian Ridge at 186 degrees-206 degrees S
PLOS ONE, Mar. 2012
7, 3
[Reviewed]

Takazo Shibuya; Miyuki Tahata; Kouki Kitajima; Yuichiro Ueno; Tsuyoshi Komiya; Shinji Yamamoto; Motoko Igisu; Masaru Terabayashi; Yusuke Sawaki; Ken Takai; Naohiro Yoshida; Shigenori Maruyama
Depth variation of carbon and oxygen isotopes of calcites in Archean altered upper oceanic crust: Implications for the CO2 flux from ocean to oceanic crust in the Archean
EARTH AND PLANETARY SCIENCE LETTERS, Mar. 2012
321, 64, 73
[Reviewed]
Lead, Corresponding

Sekine Y.; Yabuta H.; Kimura J.; Furukawa Y.; Takano Y.; Yano H.; Funase R.; Takai K.; Ishihara M.; Shibuya T.; Tachibana S.; Kuramoto K.
Exploration of Enceladus' water-rich plumes toward understanding chemistry and biology of the interior ocean (Special issue: Planetary exploration in a coming decade activity: Reports of 2nd stage)
Planetary People - The Japanese Society for Planetary Sciences, 2012
21, 3, 229, 238
[Reviewed]

Tsuyoshi Iizuka; Malcolm T. McCulloch; Tsuyoshi Komiya; Takazo Shibuya; Kenji Ohta; Haruka Ozawa; Emiko Sugimura; Kenneth D. Collerson
Monazite geochronology and geochemistry of meta-sediments in the Narryer Gneiss Complex, Western Australia: constraints on the tectonothermal history and provenance
Contributions to Mineralogy and Petrology, Dec. 2010
160, 6, 803, 823
[Reviewed]

Takazo Shibuya; Tsuyoshi Komiya; Kentaro Nakamura; Ken Takai; Shigenori Maruyama
Highly alkaline, high-temperature hydrothermal fluids in the early Archean ocean
Precambrian Research, 01 Oct. 2010
182, 3, 230, 238
[Reviewed]
Lead, Corresponding

Takazo Shibuya; Kazumasa Aoki; Tsuyoshi Komiya; Shigenori Maruyama
Stratigraphy-related, low-pressure metamorphism in the Hardey Syncline, Hamersley Province, Western Australia
GONDWANA RESEARCH, Jul. 2010
18, 1, 213, 221
[Reviewed]
Lead, Corresponding

Manabu Nishizawa; Hiroki Yamamoto; Yuichiro Ueno; Subaru Tsuruoka; Takazo Shibuya; Yusuke Sawaki; Shinji Yamamoto; Yoshiaki Kon; Kouki Kitajima; Tsuyoshi Komiya; Shigenori Maruyama; Takafumi Hirata
Grain-scale iron isotopic distribution of pyrite from Precambrian shallow marine carbonate revealed by a femtosecond laser ablation multicollector ICP-MS technique: Possible proxy for the redox state of ancient seawater
GEOCHIMICA ET COSMOCHIMICA ACTA, May 2010
74, 9, 2760, 2778
[Reviewed]

Yusuke Sawaki; Takahiro Kawai; Takazo Shibuya; Miyuki Tahata; Soichi Omori; Tsuyoshi Komiya; Naohiro Yoshida; Takafumi Hirata; Takeshi Ohno; Brian F. Windley; Shigenori Maruyama
Sr-87/Sr-86 chemostratigraphy of Neoproterozoic Dalradian carbonates below the Port Askaig Glaciogenic Formation, Scotland
PRECAMBRIAN RESEARCH, May 2010
179, 1-4, 150, 164
[Reviewed]

Yusuke Sawaki; Takazo Shibuya; Takahiro Kawai; Tsuyoshi Komiya; Soichi Omori; Tsuyoshi Iizuka; Takafumi Hirata; Brian F. Windley; Shigenori Maruyama
Imbricated ocean-plate stratigraphy and U-Pb zircon ages from tuff beds in cherts in the Ballantrae complex, SW Scotland
GEOLOGICAL SOCIETY OF AMERICA BULLETIN, Mar. 2010
122, 3-4, 454, 464
[Reviewed]

Ryo Anma; Richard Armstrong; Yuji Orihashi; Shin-ichi Ike; Ki-Cheol Shin; Yoshiaki Kon; Tsuyoshi Komiya; Tsutomu Ota; Shin-ichi Kagashima; Takazo Shibuya
Are the Taitao granites formed due to subduction of the Chile ridge?
Lithos, Nov. 2009
113, 1-2, 246, 258
[Reviewed]

T. Shibuya; M. Tahata; Y. Ueno; T. Komiya; N. Yoshida; S. Maruyama
Middle Archean CO2 flux into oceanic crust from ocean
GEOCHIMICA ET COSMOCHIMICA ACTA, Jun. 2009
73, 13, A1211, A1211
[Reviewed]

Ken Takai; Takuro Nunoura; Koki Horikoshi; Takazo Shibuya; Kentaro Nakamura; Yohey Suzuki; Matthew Stott; Gary J. Massoth; B. W. Christenson; Cornel E. J. deRonde; David A. Butterfield; Jun-ichiro Ishibashi; John E. Lupton; L. J. Evans
Variability in Microbial Communities in Black Smoker Chimneys at the NW Caldera Vent Field, Brothers Volcano, Kermadec Arc
GEOMICROBIOLOGY JOURNAL, 2009
26, 8, 552, 569
[Reviewed]

Motoko Yoshizaki; Takazo Shibuya; Katsuhiko Suzuki; Kenji Shimizu; Kentaro Nakamura; Ken Takai; Soichi Omori; Shigenori Maruyama
H-2 generation by experimental hydrothermal alteration of komatiitic glass at 300 degrees C and 500 bars: A preliminary result from on-going experiment
GEOCHEMICAL JOURNAL, 2009
43, 6, E17, E22
[Reviewed]

H. KUMAGAI; K. NAKAMURA; T. TOKI; T. MORISHITA; K. OKINO; J.-i. ISHIBASHI; U. TSUNOGAI; S. KAWAGUCCI; T. GAMO; T. SHIBUYA; T. SAWAGUCHI; N. NEO; M. JOSHIMA; T. SATO; K. TAKAI
Geological background of the Kairei and Edmond hydrothermal fields along the Central Indian Ridge: Implications of their vent fluids’ distinct chemistry
Geofluids, Nov. 2008
8, 4, 239, 251
[Reviewed]

T. Kawai; B.F. Windley; T. Shibuya; S. Omori; Y. Sawaki; S. Maruyama
Large P–T gap between Ballantrae blueschist/garnet pyroxenite and surrounding ophiolite, southern Scotland, UK: Diapiric exhumation of a Caledonian serpentinite mélange
Lithos, Aug. 2008
104, 1-4, 337, 354
[Reviewed]

Tsuyoshi Komiya; Takafumi Hirata; Kouki Kitajima; Shinji Yamamoto; Takazo Shibuya; Yusuke Sawaki; Tomoko Ishikawa; Degan Shu; Yong Li; Jian Han
Evolution of the composition of seawater through geologic time, and its influence on the evolution of life
GONDWANA RESEARCH, Aug. 2008
14, 1-2, 159, 174
[Reviewed]

K. AOKI; T. ITAYA; T. SHIBUYA; H. MASAGO; Y. KON; M. TERABAYASHI; Y. KANEKO; T. KAWAI; S. MARUYAMA
The youngest blueschist belt in SW Japan: implication for the exhumation of the Cretaceous Sanbagawa high-P/T metamorphic belt
Journal of Metamorphic Geology, Jun. 2008
26, 5, 583, 602
[Reviewed]

Takazo Shibuya; Tsuyoshi Komiya; Ryo Anma; Tsutomu Ota; Soichi Omorl; Yoshiaki Kon; Shinji Yamamoto; Shigenorl Maruyama
Progressive metamorphism of the Taitao ophiolite; evidence for axial and off-axis hydrothermal alterations
LITHOS, Oct. 2007
98, 1-4, 233, 260
[Reviewed]
Lead, Corresponding

T. SHIBUYA; K. KITAJIMA; T. KOMIYA; M. TERABAYASHI; S. MARUYAMA
Middle Archean ocean ridge hydrothermal metamorphism and alteration recorded in the Cleaverville area, Pilbara Craton, Western Australia
Journal of Metamorphic Geology, Sep. 2007
25, 7, 751, 767
[Reviewed]
Lead, Corresponding

T. Kawai; B.F. Windley; M. Terabayashi; H. Yamamoto; S. Maruyama; S. Omori; T. Shibuya; Y. Sawaki; Y. Isozaki
Geotectonic framework of the Blueschist Unit on Anglesey–Lleyn, UK, and its role in the development of a Neoproterozoic accretionary orogen
Precambrian Research, Feb. 2007
153, 1-2, 11, 28
[Reviewed]

丹秀也; 渋谷岳造; 齋藤拓也; 柏原輝彦
熱水実験による玄武岩からの微量金属の溶出濃度推定:エウロパ熱水環境のハビタビリティへの応用
日本惑星科学会秋季講演会予稿集(Web), 2025
2025

上田修裕; 上田修裕; 渋谷岳造
Relationship between olivine composition and H₂ production during serpentinization
日本地球化学会年会要旨集(Web), 2025
72nd

西澤学; 斎藤拓也; 渋谷岳造; 眞壁明子; 上田修裕; 高井研
Mechanism to produce highly alkaline hydrothermal fluids in the early oceans
日本地球化学会年会要旨集(Web), 2025
72nd

Takazo Shibuya; Ken Takai
Liquid and supercritical CO₂ as an organic solvent in Hadean seafloor hydrothermal systems
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2023
70, 150

Hisahiro Ueda; Takazo Shibuya; Yohei Matsui
Hydrogen and hydrocarbon of hydrothermal fluids produced through water-rock reactions in early Mars
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2023
70, 145

Ueda Hisahiro; Shibuya Takazo; Matsui Yohei
Chemical nature of hydrothermal fluids generated through water-rock interactions in the early Mars
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2022
69, 217

Kudo Kushi; Ueda Hisahiro; Saito Takuya; Shibuya Takazo
Methane production experiment at the condition of Enceladus's formation
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2021
68, 87

Ueda Hisahiro; Shibuya Takazo
Productions of hydrogen and methane by water-rock reactions on early Mars
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2021
68, 85

佐藤佳子; 佐藤佳子; 佐藤佳子; 管家拓巳; 管家拓巳; 芳賀さくら; 芳賀さくら; 吉田汐里; 吉田汐里; 一條祐里奈; 一條祐里奈; 熊谷英憲; 眞壁明子; 渋谷岳造
Radioactivity and its environmental behavior in soil samples collected from Fukushima prefecture
日本地球惑星科学連合大会予稿集(Web), 2020
2020

西澤, 学; 松井, 洋平; 渋谷, 岳造; 須田, 好; 高井, 研; 矢野, 創; Nishizawa, Manabu; Matsui, Yohei; Shibuya, Takazo; Suda, Konomi; Takai, Ken; Yano, Hajime
開放系における固体ー液体（水）間衝突現象の観測 III—Experimental study of hypervelocity impact of solid material into liquid water III
平成30年度宇宙科学に関する室内実験シンポジウム 講演集 = Proceedings of 2019 Symposium on Laboratory Experiment for Space Science, Feb. 2019

西澤学; 斎藤拓也; 眞壁明子; 渋谷岳造; 高井研
コマチアイト熱水環境における非生物学的硝酸還元と初期地球窒素循環
日本地球化学会年会要旨集(Web), 2019
66th

Numaho Sota; Shibuya Takazo; Ueda Hisahiro; Saito Takuya; Kikuchi Sakiko; Makabe Akiko; Nishizawa Manabu; Torimoto Junji; Tomita Masaru
Hydrogen generation by water rock interactions at hydrothermal field within Saturn's icy moon Enceladus.
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2019
66, 0, 228, 228

上田修裕; 澤木佑介; 武井壮太; 大野剛; 渋谷岳造
二酸化炭素に富んだ蛇紋岩熱水系の熱水Mg同位体比
日本地球化学会年会要旨集(Web), 2019
66th

西澤, 学; 松井, 洋平; 渋谷, 岳造; 須田, 好; 高井, 研; 矢野, 創; Nishizawa, Manabu; Matsui, Yohei; Shibuya, Takazo; Suda, Konomi; Takai, Ken; Yano, Hajime
開放系における固体ー液体（水）間衝突現象の観測—Experimental study of hypervelocity impact of solid material into liquid water
平成29年度宇宙科学に関する室内実験シンポジウム 講演集 = Proceedings of 2018 Symposium on Laboratory Experiment for Space Science, Feb. 2018

高萩航; 高萩航; 瀬尾海渡; 瀬尾海渡; 高野淑識; 渋谷岳造; 斎藤誠史; 島村繁; 松井洋平; 藤島皓介; 冨田勝; 冨田勝; 高井研
エンセラダス熱水環境下での水-岩石-有機物相互作用によるペプチド合成
日本地球惑星科学連合大会予稿集(Web), 2018
2018

西澤, 学; 松井, 洋平; 渋谷, 岳造; 須田, 好; 高井, 研; 矢野, 創; Nishizawa, Manabu; Matsui, Yohei; Shibuya, Takazo; Suda, Konomi; Takai, Ken; Yano, Hajime
開放系における固体ー液体（水）間衝突現象の観測—Experimental study of hypervelocity impact of solid material into liquid water
平成28年度宇宙科学に関する室内実験シンポジウム 講演集 = Proceedings of 2017 Symposium on Laboratory Experiment for Space Science, Feb. 2017

関根康人; 渋谷岳造; 玄田英典; 福士圭介; 臼井寛裕; 高橋嘉夫; 倉本圭; 鍵裕之; 渡邊誠一郎
水惑星学の創成
日本惑星科学会秋季講演会予稿集(Web), 2017
2017

Shibuya Takazo; Takai Ken
Liquid/supercritical CO2 in seafloor hydrothermal systems on the early Earth
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2017
64, 307, 307

Sekine Yasuhito; Shibuya Takazo; Genda Hidenori; Fukushi Keisuke; Usui Tomohiro; Takahashi Yoshio; Kuramoto Kiyoshi; Kagi Hiroyuki; Watanabe Sei―ichiro
aqua planetology
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2017
64, 139, 139

Ueda Hisahiro; Shibuya Takazo; Sawaki Yusuke; Saitoh Masafumi; Takai Ken; Maruyama Shigenori
Chemical nature of fluids in komatiite-hosted hydrothermal system on the early Earth.
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2017
64, 309, 309

Tan Shuya; Sekine Yasuhito; Shibuya Takazo; Miyamoto Chiro; Takahashi Yoshio
Sulfate reduction and hydrothermal environments within Europa
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2017
64, 256, 256

Saitoh Masafumi; Kurosawa Kosuke; Usui Yoichi; Okumura Tomoyo; Onoue Tetsuji; Sato Honami; Ishida Yuya; Shibuya Takazo; Nishizawa Manabu; Matsui Yohei; Sawaki Yusuke; Sato Tomohiko; Ueno Yuichiro
An oxidation event caused by a bolide impact?: Stratigraphy of the late Archean carbonates in western Australia
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2017
64, 1, 1

西澤学; 松井洋平; 渋谷岳造; 須田好; 高井研; 矢野創
開放系における隕石-海水間超高速衝突現象の観測
日本地球化学会年会要旨集(Web), 2017
64th

西澤, 学; 渋谷, 岳造; 松井, 洋平; 高井, 研; 矢野, 創; Shibuya, Takazo; Takai, Ken; Yano, Hajime
開放系における岩石―水衝突実験法の開発
平成27年度宇宙科学に関する室内実験シンポジウム 講演集 = Proceedings of 2016 Symposium on Laboratory Experiment for Space Science, Feb. 2016

矢野, 創; 藤島, 晧介; 田端, 誠; 河口, 優子; 高野, 淑識; 渋谷, 岳造; 高井, 研; 平井, 隆之; 関根, 康人; Carbonnier, Benjamin; Guerrouache, Mohamed; Rothschild, Lynn J.; Yano, Hajime; Fujishima, Kosuke; Tabata, Makoto; Kawaguchi, Yuko; Takano, Yoshinori; Shibuya, Takazo; Takai, Ken; Hirai, Takayuki; Sekine, Yasuhito
生体高分子試料を含む氷衛星プリューム模擬微粒子の超高速衝突捕集と分析(1)：ペプチド回収と検出の成功
平成27年度宇宙科学に関する室内実験シンポジウム 講演集 = Proceedings of 2016 Symposium on Laboratory Experiment for Space Science, Feb. 2016

佐藤佳子; 山本伸次; 兵藤博信; 熊谷英憲; 渋谷岳造; 小宮剛
流体包有物年代による地球史を通じた熱水活動年代の制約の試み
日本地球惑星科学連合大会予稿集(Web), 2015
2015

兵藤博信; 佐藤佳子; 熊谷英憲; 山本伸次; 渋谷岳造; 小宮剛
冥王代ジルコンの⁴⁰Ar/³⁹Ar年代
日本地球惑星科学連合大会予稿集(Web), 2015
2015

関根 康人; 渋谷 岳造; 鈴木 勝彦; 桑谷 立; 橘 省吾
O6-06 土星衛星エンセラダスにおける熱水活動(口頭発表セッション6(衛星系・リング),口頭発表)
日本惑星科学会秋期講演会予稿集, 20 Nov. 2013
2013, "O6, 06"

森 愛美; 関根 康人; 桑谷 立; 橘 省吾; 澁谷 岳造; 鈴木 勝彦; 正木 裕香
P2-10 熱水実験と反応理論モデルに基づくセレスの表面鉱物の解釈 : 形成・熱進化への示唆(ポスターセッション2,ポスター発表)
日本惑星科学会秋期講演会予稿集, 20 Nov. 2013
2013, "P2, 10"

SEKINE Y.; SHIBUYA T.; SUZUKI K.; KUWATANI T.; MASAKI Y.; TACHIBANA S.
Hydrothermal activity in Enceladus inferred from silica formation
日本鉱物科学会年会講演要旨集, 05 Sep. 2013
2013, 244, 244

K. Takai; S. Kawagucci; J. Miyazaki; T. Watsuji; J. Ishibashi; H. Yamamoto; T. Nozaki; T. Kashiwabara; T. Shibuya
Post-drilling hydrothermal vent and associated biological activities seen through artificial hydrothermal vents in the Iheya North field, Okinawa Trough
2013 IEEE INTERNATIONAL UNDERWATER TECHNOLOGY SYMPOSIUM (UT), 2013

渋谷 岳造; 高井 研
太古の熱水と生命の記録
化学と工業 = Chemistry and chemical industry, 01 Oct. 2012
65, 10, 761, 763

高野淑識; 高野淑識; 高井研; 高井研; 渋谷岳造; 渋谷岳造; 矢野創; 船瀬龍; 関根康人; 関根康人; 吉村義隆; 吉村義隆; 山岸明彦; 山岸明彦; 木下大輔; 木下大輔; 木下大輔; TSOU Peter; TSOU Peter; TSOU Peter
衛星エンセラダスのプルーム探査に関わる国際連携及び科学立案のFS調査
宇宙利用シンポジウム, 2012
28th

関根 康人; 澁谷 岳造; 桑谷 立; 鈴木 勝彦
S35-03P 氷衛星エンセラダスの熱水環境に対する実験的制約(一般ポスターセッション3,ポスター発表)
日本惑星科学会秋期講演会予稿集, 23 Oct. 2011
2011, 151, 151

Yoshizaki Motoko; Shibuya Takazo; Suzuki Katsuhiko; Shimizu Kenji; Nakamura Kentaro; Omori Soichi; Takai Ken; Maruyama Shigenori
Experimental H2 production through hydrothermal alteration of komatiite
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2011
58, 58, 58

Shibuya Takazo; Komiya Tsuyoshi; Takai Ken; Maruyama Shigenori
Secular change of CO2 concentration in seawater and atmosphere through the Earth history
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2011
58, 123, 123

T. Shibuya; T. Komiya; K. Nakamura; K. Takai; S. Maruyama
Highly alkaline, high-temperature hydrothermal fluid generated by Archean CO2-rich seawater
GEOCHIMICA ET COSMOCHIMICA ACTA, Jun. 2010
74, 12, A951, A951

吉崎 もと子; 鈴木 勝彦; 澁谷 岳造; 清水 健二; 中村 謙太郎; 大森 聡一; 高井 研; 丸山 茂徳
300℃、500気圧におけるコマチアイトの熱水変質実験
日本地球化学会年会要旨集, 2009
56, 121, 121

Shibuya Takazo; Komiya Tsuyoshi; Nakamura Kentaro; Takai Ken; Maruyama Shigenori
O-41 Archean alkaline hydrothermal fluid
日本地質学会学術大会講演要旨, 15 Sep. 2008
115, 52, 52

Anma ryo; Komiya Tsuyoshi; Kon Yoshiakai; Shibiya Takazou; Ota Tsutomu; Orihashi Yuji; Armstrong Richard
The Taitao ophiolite and related felsic plutonism nearby the Chile ridge subduction zone
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2008
55, 301, 301

吉崎 もと子; 鈴木 勝彦; 中村 謙太郎; 山口 耕生; 渋谷 岳造; 山本 伸次; 大森 聡一; 高井 研; 丸山 茂徳
蛇紋岩化反応にともなう水素発生に関する熱水実験システム
日本地球化学会年会要旨集, 2008
55, 160, 160

Saitou Takuya; Shibuya Takazou; Nishizawa Manabu; Kitajima Kouki; Kon Yoshiaki; Sawaki Yusuke; Komiya Tsuyoshi; HIRATA TAKAFUMI; Maruyama Shigenori
Geochemistry of fluid inclusions in hydrothermal quartz: Implications for composition of paleoseawater
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2008
55, 256, 256

Shibuya Takazo; Komiya Tsuyoshi; Nakamura Kentaro; Takai Ken; Maruyama Shigenori
Archean alkaline hydrothermal fluid
Annual Meeting of the Geological Society of Japan, 2008
2008, 99, 99

T Shibuya; K Kitajima; T Komiya; S Maruyama
3.0 Ga ocean floor metamorphism in the cleaverville area, pilbara craton, western Australia
GEOCHIMICA ET COSMOCHIMICA ACTA, Sep. 2003
67, 18, A426, A426

Contributor, 生命の起源
生き物と温度の事典　　　　　　　　　　　　　　　
朝倉書店, Nov. 2025

上田修裕; 渋谷岳造
蛇紋石化反応伴う橄欖石の組成と水素生成量の関係　　　　　　　　　　　　　　　
2025年度日本地球化学会 第72回年会, 19 Sep. 2025

西澤学; 齋藤拓也; 渋谷岳造; 真壁明子; 上田修裕; 高井研
原始海洋でのアルカリ熱水の生成機構　　　　　　　　　　　　　　　
2025年度日本地球化学会 第72回年会, 17 Sep. 2025

丹秀也; 渋谷岳造; 齋藤拓也; 柏原輝彦
熱水実験による玄武岩からの微量金属の溶出濃度推定：地球外海洋でのハビタビリティへの応用　　　　　　　　　　　　　　　
日本惑星科学会 2025年 秋季講演会, 03 Sep. 2025

Haruna Wakabayashi; Koudai Taguchi; Takazo Shibuya; Yuichiro Ueno
Carbon isotopic analysis of organic acids synthesized under hydrothermal conditions　　　　　　　　　　　　　　　
Goldschmidt 2025, 08 Jul. 2025

萩原雄貴; 吉田健太; 清水健二; 牛久保孝行; 渋谷岳造; 羽生毅
2021年福徳岡ノ場の爆発的噴火に関与したH2OとCaに富む玄武岩質メルト　　　　　　　　　　　　　　　
日本地球惑星科学連合2025年大会, 27 May 2025

丹秀也; 渋谷岳造; 齋藤拓也; 柏原輝彦
氷衛星の海洋は生命に対して金属が不足している可能性　　　　　　　　　　　　　　　
第49回 生命の起原および進化学会 学術講演会, 28 Mar. 2025

丹秀也; 渋谷岳造; 関根康人; 齋藤拓也
氷衛星海底での化学反応の実験室再現：生命必須微量金属を含む海洋組成への示唆　　　　　　　　　　　　　　　
第26回惑星圏シンポジウム, 03 Mar. 2025

丹秀也; 関根康人; 渋谷岳造
微量金属濃度によるエンセラダスでの生命活動の制限　　　　　　　　　　　　　　　
日本惑星科学会 2024年 秋季講演会, 24 Sep. 2024

丹秀也; 関根康人; 渋谷岳造
土星衛星エンセラダスの海洋中での生命活動が微量金属濃度に制限される可能性　　　　　　　　　　　　　　　
2024年度 日本地球化学会 第71回年会, 20 Sep. 2024

松本廣直; 渋谷 岳造; 白井 厚太朗; 鈴木 勝彦
Prolonged reducing and ferruginous oceanic condition after OAE1a evidenced from the siderite occurrences in the Mid-Pacific Mountains　　　　　　　　　　　　　　　
日本地球惑星科学連合2024年大会, 30 May 2024, [Invited]

上田 修裕; 渋谷 岳造
Experimental study on H2 generation through serpentinization of Fe-rich olivine　　　　　　　　　　　　　　　
日本地球惑星科学連合2024, 27 May 2024

丹 秀也; 渋谷 岳造; 齋藤 拓也
Investigations for metals in basalt-hosted hydrothermal environments: Implications for habitability of Europa　　　　　　　　　　　　　　　
日本地球惑星科学連合2024年大会, 27 May 2024

菊池 早希子; 渋谷 岳造
エネルギー代謝論から推定する火星の湖水ー地下水混合域におけるハビタビリティ　　　　　　　　　　　　　　　
日本地球惑星科学連合2024年大会, 27 May 2024

Shuya Tan; Yasuhito Sekine; Takazo Shibuya
Bioessential trace metals in Enceladus as possible limiting factor for activity of methanogenic life　　　　　　　　　　　　　　　
AbSciCon 2024, 08 May 2024

東大など、小惑星リュウグウが10億年以上も氷を保持していたことを確認　　　　　　　　　　　　　　　
マイナビニュース, 12 Sep. 2025

リュウグウ母天体に氷 10億年以上 はやぶさ2採取の砂分析　　　　　　　　　　　　　　　
福井新聞社, 11 Sep. 2025

リュウグウ母天体に氷 10億年以上の間 砂を分析　　　　　　　　　　　　　　　
沖縄タイムス社, 11 Sep. 2025

JAXAの探査機「はやぶさ2」が採取した小惑星リュウグウから新事実！　　　　　　　　　　　　　　　
文化放送, 11 Sep. 2025

小惑星リュウグウ母天体に氷 10億年以上、砂を分析　　　　　　　　　　　　　　　
静岡新聞DIGITAL, 11 Sep. 2025, Internet

小惑星リュウグウ母天体に氷　10億年以上、砂を分析　　　　　　　　　　　　　　　
北海道新聞デジタル, 11 Sep. 2025, Internet

想定を上回る小惑星の貯水量　リュウグウの試料で迫る地球の水源　　　　　　　　　　　　　　　
日経サイエンス, Dec. 2025, Internet

小惑星「リュウグウ」母天体に大量の氷、１０億年にわたり内部に保持…「はやぶさ２」の砂分析　　　　　　　　　　　　　　　
読売新聞オンライン, 11 Sep. 2025, Internet