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Petrology Geochemistry
Japan

Activities

Employment (3)

Okayama University: Tottori, JP

2004-01 to present | Research assistant (Institute for Planetary Materials)
Employment
Source: Self-asserted source
Tsutomu Ota

Tokyo Institute of Technology: Tokyo, JP

2001-04 to 2003-12 | Technical Assistant (Department of Physics)
Employment
Source: Self-asserted source
Tsutomu Ota

Tokyo Institute of Technology: Tokyo, JP

1997-04 to 2001-03 | Research Fellowship for Young Scientists, JSPS (Department of Earth and Planetary Sciences)
Employment
Source: Self-asserted source
Tsutomu Ota

Education and qualifications (3)

Niigata University: Niigata, JP

1993-04 to 1996-03 | Ph.D (Graduate School of Science and Technology)
Education
Source: Self-asserted source
Tsutomu Ota

Ehime University: Matsuyama, JP

1991-04 to 1993-03 | MSc (Graduate School of Science)
Education
Source: Self-asserted source
Tsutomu Ota

Ehime University: Matsuyama, JP

1987-04 to 1991-03 | BSc. (Eath Science)
Education
Source: Self-asserted source
Tsutomu Ota

Professional activities (2)

Geological Society of Japan: Tokyo, JP

Membership
Source: Self-asserted source
Tsutomu Ota

American Geophysical Union: D.C., D.C., US

Membership
Source: Self-asserted source
Tsutomu Ota

Funding (5)

Isotope non-equilibrium spatiotemporal scale in the mantle as seen in lithium isotope composition of peridotite

Source: Self-asserted source
Tsutomu Ota via DimensionsWizard

Water content and lithium isotope fractionation in subduction-zone mantle olivine

Source: Self-asserted source
Tsutomu Ota via DimensionsWizard

Behavior of lithium isotopes in subduction zone mantle

2009-01-01 to 2011-12-31 | Grant
Japan Society for the Promotion of Science (Tokyo, JP)
GRANT_NUMBER: 21540505
Source: Self-asserted source
Tsutomu Ota via DimensionsWizard

Experimental study on boron cycling in the upper mantle

2006-01-01 to 2008-12-31 | Grant
Japan Society for the Promotion of Science (Tokyo, JP)
GRANT_NUMBER: 18740346
Source: Self-asserted source
Tsutomu Ota via DimensionsWizard

Rise of the activities and the Pacific Rim type high-pressure metamorphic belt of Mesozoic of South Pacific super plume

Source: Self-asserted source
Tsutomu Ota via DimensionsWizard

Works (50 of 57)

Items per page:
Page 1 of 2

Reconciling remote-sensing estimates of Ryugu’s albedo with laboratory measurements

Nature Astronomy
2024-09-26 | Journal article
Contributors: Christian Potiszil; Tsutomu Ota; Eizo Nakamura
Source: check_circle
Crossref

Unraveling the Cr Isotopes of Ryugu: An Accurate Aqueous Alteration Age and the Least Thermally Processed Solar System Material

The Astrophysical Journal
2024-04-01 | Journal article
Contributors: Ryoji Tanaka; Dilan M. Ratnayake; Tsutomu Ota; Noah Miklusicak; Tak Kunihiro; Christian Potiszil; Chie Sakaguchi; Katsura Kobayashi; Hiroshi Kitagawa; Masahiro Yamanaka et al.
Source: check_circle
Crossref

Insights into the formation and evolution of extraterrestrial amino acids from the asteroid Ryugu

Nature Communications
2023 | Journal article
Contributors: Potiszil, Christian; Ota, Tsutomu; Yamanaka, Masahiro; Sakaguchi, Chie; Kobayashi, Katsura; Tanaka, Ryoji; Kunihiro, Tak; Kitagawa, Hiroshi; Abe, Masanao; Miyazaki, Akiko et al.
Source: Self-asserted source
Tsutomu Ota
grade
Preferred source (of 2)‎

Organic Matter in the Asteroid Ryugu: What We Know So Far

Life
2023-06-26 | Journal article
Contributors: Christian Potiszil; Masahiro Yamanaka; Chie Sakaguchi; Tsutomu Ota; Hiroshi Kitagawa; Tak Kunihiro; Ryoji Tanaka; Katsura Kobayashi; Eizo Nakamura
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

The Formation of a Rubble Pile Asteroid: Insights from the Asteroid Ryugu

Universe
2023-06-16 | Journal article
Contributors: Tsutomu Ota; Christian Potiszil; Katsura Kobayashi; Ryoji Tanaka; Hiroshi Kitagawa; Tak Kunihiro; Chie Sakaguchi; Masahiro Yamanaka; Eizo Nakamura
Source: check_circle
Crossref
grade
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Nitrogen Incorporation in Potassic and Micro- and Meso-Porous Minerals: Potential Biogeochemical Records and Targets for Mars Sampling

Astrobiology
2022-11-01 | Journal article
Contributors: Matthew P. Nikitczuk; Gray E. Bebout; Charles A. Geiger; Tsutomu Ota; Takuya Kunihiro; John F. Mustard; Sæmundur A. Halldórsson; Eizo Nakamura
Source: check_circle
Crossref

On the origin and evolution of the asteroid Ryugu: A comprehensive geochemical perspective

Proceedings of the Japan Academy, Series B
2022-06-10 | Journal article
Part of ISSN: 0386-2208
Part of ISSN: 1349-2896
Contributors: Tsutomu Ota; Eizo NAKAMURA; Katsura KOBAYASHI; Ryoji TANAKA; Tak KUNIHIRO; Hiroshi KITAGAWA; Christian POTISZIL; Tsutomu OTA; Chie SAKAGUCHI; Masahiro YAMANAKA et al.
Source: Self-asserted source
Tsutomu Ota

Magmatic-hydrothermal processes of the Laojunshan metamorphic massif in Southeastern Asia: Evidence from chemical and B-isotopic variations of deformed tourmalines

Lithos
2022-03 | Journal article
Part of ISSN: 0024-4937
Source: Self-asserted source
Tsutomu Ota

Nitrogenous Altered Volcanic Glasses as Targets for Mars Sample Return: Examples From Antarctica and Iceland

Journal of Geophysical Research: Planets
2022-02 | Journal article
Part of ISSN: 2169-9097
Part of ISSN: 2169-9100
Source: Self-asserted source
Tsutomu Ota

The trace element composition of chondrule constituents: Implications for sample return methodologies and the chondrule silicate reservoir

Meteoritics & Planetary Science
2022-02 | Journal article
Part of ISSN: 1086-9379
Part of ISSN: 1945-5100
Source: Self-asserted source
Tsutomu Ota

Elements for the Origin of Life on Land: A Deep-Time Perspective from the Pilbara Craton of Western Australia

Astrobiology
2021-01-01 | Journal article
Part of ISSN: 1531-1074
Part of ISSN: 1557-8070
Source: Self-asserted source
Tsutomu Ota

Mineralogical alterations in calcite powder flooded with MgCl2 to study Enhanced Oil Recovery (EOR) mechanisms at pore scale

Microporous and Mesoporous Materials
2020-09 | Journal article
Part of ISSN: 1387-1811
Source: Self-asserted source
Tsutomu Ota

Concentration of meteoritic free organic matter by fluid transport and adsorption

Geochemical Perspectives Letters
2020-03 | Journal article
Part of ISSN: 2410-3403
Source: Self-asserted source
Tsutomu Ota

Hypervelocity collision and water-rock interaction in space preserved in the Chelyabinsk ordinary chondrite

Proceedings of the Japan Academy Series B: Physical and Biological Sciences
2019 | Journal article
Contributors: Konstantin LITASOV; Olga KOROLEVA; Victor GROKHOVSKY; Vladimir MALKOVETS; Tetsuo YAMAMOTO; Hitoshi MIURA; Gray E. BEBOUT; Yuri SHIMAKI; Masahiro YAMANAKA; Katsura KOBAYASHI et al.
Source: check_circle
Web of Science Researcher Profile Sync

Lithium- and oxygen-isotope compositions of chondrule constituents in the Allende meteorite

Geochimica et Cosmochimica Acta
2019 | Journal article
Contributors: Eizo Nakamura; Tak Kunihiro; Tsutomu Ota
Source: check_circle
Web of Science Researcher Profile Sync

Boron Isotopes in the Puga Geothermal System, India, and Their Implications for the Habitat of Early Life

Astrobiology
2019-12-01 | Journal article
Part of ISSN: 1531-1074
Part of ISSN: 1557-8070
Source: Self-asserted source
Tsutomu Ota

Tourmaline in a Mesoarchean pelagic hydrothermal system: Implications for the habitat of early life

Precambrian Research
2019-11 | Journal article
Part of ISSN: 0301-9268
Source: Self-asserted source
Tsutomu Ota

Circa 1 Ga sub-seafloor hydrothermal alteration imprinted on the Horoman peridotite massif

Scientific Reports
2018-06-29 | Journal article
Contributors: Lalindra V. Ranaweera; Tsutomu Ota; Takuya Moriguti; Ryoji Tanaka; Eizo Nakamura
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

In-situ U-Pb zircon age dating deciphering the formation event of the omphacite growth over relict edenitic pargasite in omphacite-bearing jadeitite of the Itoigawa-Omi area of the Hida-Gaien belt, central Japan

Journal of Mineralogical and Petrological Sciences
2017 | Journal article
Contributors: Kazumi YOKOYAMA; Hiroshi MIYAJIMA; Katsura KOBAYASHI; Atsushi GOTO; Eizo NAKAMURA; Keitaro KUNUGIZA; Tsutomu Ota
Source: check_circle
Web of Science Researcher Profile Sync

Maruyamaite, K(MgAl<inf>2</inf>)(Al<inf>5</inf>Mg)Si<inf>6</inf>O<inf>18</inf>(BO<inf>3</inf>)<inf>3</inf>(OH)<inf>3</inf>O, a potassium-dominant tourmaline from the ultrahigh-pressure Kokchetav massif, northern Kazakhstan: Description and crystal structure

American Mineralogist
2016 | Journal article
EID:

2-s2.0-84959155621

Contributors: Lussier, A.; Ball, N.A.; Hawthorne, F.C.; Henry, D.J.; Shimizu, R.; Ogasawara, Y.; Ota, T.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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Supervolcano eruptions driven by melt buoyancy in large silicic magma chambers

Nature Geoscience
2014 | Journal article
EID:

2-s2.0-84893339050

Contributors: Malfait, W.J.; Seifert, R.; Petitgirard, S.; Perrillat, J.-P.; Mezouar, M.; Ota, T.; Nakamura, E.; Lerch, P.; Sanchez-Valle, C.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
Preferred source (of 2)‎

Ion microprobe U-Th-Pb geochronology and study of micro-inclusions in zircon from the Himalayan high- and ultrahigh-pressure eclogites, Kaghan Valley of Pakistan

Journal of Asian Earth Sciences
2013 | Journal article
EID:

2-s2.0-84873164304

Contributors: Rehman, H.U.; Kobayash, K.; Tsujimori, T.; Ota, T.; Yamamoto, H.; Nakamura, E.; Kaneko, Y.; Khan, T.; Terabayashi, M.; Yoshida, K. et al.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
Preferred source (of 2)‎

Space environment of an asteroid preserved on micrograins returned by the Hayabusa spacecraft

Proceedings of the National Academy of Sciences of the United States of America
2012 | Journal article
EID:

2-s2.0-84858166544

Contributors: Nakamura, E.; Makishima, A.; Moriguti, T.; Kobayashi, K.; Tanaka, R.; Kunihiro, T.; Tsujimori, T.; Sakaguchi, C.; Kitagawa, H.; Ota, T. et al.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
Preferred source (of 2)‎

In situ ion-microprobe determination of trace element partition coefficients for hornblende, plagioclase, orthopyroxene, and apatite in equilibrium with natural rhyolitic glass, Little Glass Mountain Rhyolite, California

American Mineralogist
2011 | Journal article
EID:

2-s2.0-81855199780

Contributors: Brophy, J.G.; Ota, T.; Kunihro, T.; Tsujimori, T.; Nakamura, E.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
Preferred source (of 2)‎

Intra-oceanic island arc origin for Iratsu eclogites of the Sanbagawa belt, central Shikoku, southwest Japan

Chemical Geology
2011 | Journal article
EID:

2-s2.0-78650750104

Contributors: Utsunomiya, A.; Jahn, B.-M.; Okamoto, K.; Ota, T.; Shinjoe, H.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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Ophiolites in the Non-volcanic Banda Outer Arc of East Indonesia: Field Occurrence and Petrological Variety of the World's Youngest Ophiolite

Journal of Geography-chigaku Zasshi
2011 | Journal article
Contributors: Tsutomu OTA; Yoshiyuki KANEKO; Akira ISHIKAWA; Yukio Isozaki
Source: check_circle
Web of Science Researcher Profile Sync

Blueschists, eclogites, and subduction zone tectonics: Insights from a review of Late Miocene blueschists and eclogites, and related young high-pressure metamorphic rocks

Gondwana Research
2010 | Journal article
EID:

2-s2.0-77952425877

Contributors: Ota, T.; Kaneko, Y.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
Preferred source (of 2)‎

Sr-Nd-Hf-Pb isotopic characteristics of North-Western and Southern Ethiopian lithospheric mantle

Geochimica et Cosmochimica Acta
2010 | Journal article
Contributors: Tsutomu Ota
Source: check_circle
Web of Science Researcher Profile Sync

World's youngest blueschist belt from Leti Island in the non-volcanic Banda outer arc of Eastern Indonesia

Gondwana Research
2010 | Journal article
EID:

2-s2.0-77952430104

Contributors: Kadarusman, A.; Maruyama, S.; Kaneko, Y.; Ota, T.; Ishikawa, A.; Sopaheluwakan, J.; Omori, S.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
Preferred source (of 2)‎

A geochemical and Sr-Nd isotopic study of the Vendian greenstones from Gorny Altai, southern Siberia: Implications for the tectonic setting of the formation of greenstones and the role of oceanic plateaus in accretionary orogen

Lithos
2009 | Journal article
EID:

2-s2.0-70449533833

Contributors: Utsunomiya, A.; Jahn, B.-m.; Ota, T.; Safonova, I.Yu.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
Preferred source (of 2)‎

Are the Taitao granites formed due to subduction of the Chile ridge?

Lithos
2009 | Journal article
EID:

2-s2.0-70350217169

Contributors: Anma, R.; Armstrong, R.; Orihashi, Y.; Ike, S.-i.; Shin, K.-C.; Kon, Y.; Komiya, T.; Ota, T.; Kagashima, S.-i.; Shibuya, T. et al.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
Preferred source (of 2)‎

Transitional time of oceanic to continental subduction in the Dabie orogen: Constraints from U-Pb, Lu-Hf, Sm-Nd and Ar-Ar multichronometric dating

Lithos
2009 | Journal article
EID:

2-s2.0-67349277412

Contributors: Cheng, H.; King, R.L.; Nakamura, E.; Vervoort, J.D.; Zheng, Y.-F.; Ota, T.; Wu, Y.-B.; Kobayashi, K.; Zhou, Z.-Y.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
Preferred source (of 2)‎

Boron cycling by subducted lithosphere; insights from diamondiferous tourmaline from the Kokchetav ultrahigh-pressure metamorphic belt

Geochimica et Cosmochimica Acta
2008 | Journal article
EID:

2-s2.0-45849148863

Contributors: Ota, T.; Kobayashi, K.; Kunihiro, T.; Nakamura, E.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
Preferred source (of 2)‎

Neoproterozoic basalts of the Paleo-Asian Ocean (Kurai accretionary zone, Gorny Altai, Russia): geochemistry, petrogenesis, and geodynamics

Russian Geology and Geophysics
2008 | Journal article
EID:

2-s2.0-40949114190

Contributors: Safonova, I.Yu.; Simonov, V.A.; Buslov, M.M.; Ota, T.; Maruyama, Sh.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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Preserved paleo-oceanic plateaus in accretionary complexes: Implications for the contributions of the Pacific superplume to global environmental change

Gondwana Research
2008 | Journal article
EID:

2-s2.0-46149089705

Contributors: Utsunomiya, A.; Suzuki, N.; Ota, T.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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Tourmaline breakdown in a pelitic system: Implications for boron cycling through subduction zones

Contributions to Mineralogy and Petrology
2008 | Journal article
EID:

2-s2.0-36448929446

Contributors: Ota, T.; Kobayashi, K.; Katsura, T.; Nakamura, E.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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Geology of the Gorny Altai subduction-accretion complex, southern Siberia: Tectonic evolution of an Ediacaran-Cambrian intra-oceanic arc-trench system

Journal of Asian Earth Sciences
2007 | Journal article
EID:

2-s2.0-34250850757

Contributors: Ota, T.; Utsunomiya, A.; Uchio, Y.; Isozaki, Y.; Buslov, M.M.; Ishikawa, A.; Maruyama, S.; Kitajima, K.; Kaneko, Y.; Yamamoto, H. et al.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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History of the Pacific superplume: Implications for Pacific paleogeography since the late proterozoic

Superplumes: Beyond Plate Tectonics
2007 | Book
EID:

2-s2.0-46149116070

Contributors: Utsunomiya, A.; Ota, T.; Windley, B.F.; Suzuki, N.; Uchio, Y.; Munekata, K.; Maruyama, S.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier

Multiple generations of forearc mafic-ultramafic rocks in the Timor-Tanimbar ophiolite, eastern Indonesia

Gondwana Research
2007 | Journal article
EID:

2-s2.0-33845336808

Contributors: Ishikawa, A.; Kaneko, Y.; Kadarusman, A.; Ota, T.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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On-going orogeny in the outer-arc of the Timor-Tanimbar region, eastern Indonesia

Gondwana Research
2007 | Journal article
EID:

2-s2.0-33845306780

Contributors: Kaneko, Y.; Maruyama, S.; Kadarusman, A.; Ota, T.; Ishikawa, M.; Tsujimori, T.; Ishikawa, A.; Okamoto, K.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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Paleocurrent patterns of the sedimentary sequence of the Taitao ophiolite constrained by anisotropy of magnetic susceptibility and paleomagnetic analyses

Sedimentary Geology
2007 | Journal article
EID:

2-s2.0-34848897193

Contributors: Veloso, E.E.; Anma, R.; Ota, T.; Komiya, T.; Kagashima, S.-i.; Yamazaki, T.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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Progressive metamorphism of the Taitao ophiolite; evidence for axial and off-axis hydrothermal alterations

Lithos
2007 | Journal article
EID:

2-s2.0-34548565787

Contributors: Shibuya, T.; Komiya, T.; Anma, R.; Ota, T.; Omori, S.; Kon, Y.; Yamamoto, S.; Maruyama, S.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
Preferred source (of 2)‎

Accretionary complex origin of the mafic-ultramafic bodies of the Sanbagawa Belt, central Shikoku, Japan

International Geology Review
2005 | Journal article
EID:

2-s2.0-26844435604

Contributors: Terabayashi, M.; Okamoto, K.; Yamamoto, H.; Kaneko, Y.; Ota, T.; Maruyama, S.; Katayama, I.; Komiya, T.; Ishikawa, A.; Anma, R. et al.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
Preferred source (of 3)‎

P-T history of garnet-websterites in the Sharyzhalgai complex, southwestern margin of Siberian craton: Evidence for Paleoproterozoic high-pressure metamorphism

Precambrian Research
2004 | Journal article
EID:

2-s2.0-2942517810

Contributors: Ota, T.; Gladkochub, D.P.; Sklyarov, E.V.; Mazukabzov, A.M.; Watanabe, T.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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The oldest mid-oceanic carbonate buildup complex: Setting and lithofacies of the Vendian (Late Neoproterozoic) Baratal limestone in the Gorny Altai Mountains, Siberia

Proceedings of the Japan Academy Series B: Physical and Biological Sciences
2004 | Journal article
EID:

2-s2.0-14644442935

Contributors: Uchio, Y.; Isozaki, Y.; Ota, T.; Utsunomiya, A.; Buslov, M.M.; Maruyama, S.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
Preferred source (of 2)‎

Thermobaric structure and metamorphic evolution of the Iratsu eclogite body in the Sanbagawa belt, central Shikoku, Japan

Lithos
2004 | Journal article
EID:

2-s2.0-1542319816

Contributors: Ota, T.; Terabayashi, M.; Katayama, I.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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Zircon geochemistry of Mid-Miocene adakites in the southern Patagonian province

Geochimica et Cosmochimica Acta
2003 | Journal article
Contributors: Tsutomu Ota
Source: check_circle
Web of Science Researcher Profile Sync

Contact metamorphism of the Daulet Suite by solid-state emplacement of the Kokchetav UHP-HP metamorphic slab

International Geology Review
2002 | Journal article
EID:

2-s2.0-0036769478

Contributors: Terabayashi, M.; Ota, T.; Yamamoto, H.; Kaneko, Y.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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Metamorphic evolution of Late Precambrian eclogites and associated metabasites, Gorny Altai, southern Russia

International Geology Review
2002 | Journal article
EID:

2-s2.0-0036769615

Contributors: Ota, T.; Buslov, M.M.; Watanabe, T.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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Archean supracrustal rocks of the Sharyzhalgai Salient and their tectonic implications

Doklady Earth Sciences
2001 | Journal article
EID:

2-s2.0-0035534971

Contributors: Sklyarov, E.V.; Gladkochub, D.P.; Watanabe, T.; Fanning, M.K.; Mazukabzov, A.M.; Men'shagin, Yu.V.; Ota, T.
Source: Self-asserted source
Tsutomu Ota via Scopus - Elsevier
grade
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Items per page:
Page 1 of 2

Peer review (12 reviews for 4 publications/grants)

Review activity for Applied sciences. (4)
Review activity for Life. (1)
Review activity for Minerals. (6)
Review activity for Physics and chemistry of minerals. (1)