Rchr
J-GLOBAL ID:200901016149424107   Update date: Sep. 20, 2024

Ota Tsutomu

オオタ ツトム | Ota Tsutomu
Affiliation and department:
Job title: Research associate
Research field  (1): Solid earth science
Research keywords  (4): 地球化学 ,  岩石学 ,  geochemistry ,  Petrology
Research theme for competitive and other funds  (12):
  • 2017 - 2020 Spatiotemporal scale of isotope disequilibria in the mantle, deduced from lithium isotope compositions of mantle peridotite
  • 2015 - 2018 An integrated study of Paleoproterozoic high-pressure intermediate-type metamorphic belt: Implication for the operation of modern-style subduction processes
  • 2012 - 2015 An integrated study of Paleo- and Neoproterozoic orogenic processes at the Tanzanian craton margin
  • 2012 - 2015 Water content and lithium isotope fractionation in subduction-zone mantle olivine
  • 2009 - 2012 希ガス同位体を用いた「Old Rock Geochemistry」の展開
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Papers (62):
  • Ryoji Tanaka, Dilan M. Ratnayake, Tsutomu Ota, Noah Miklusicak, Tak Kunihiro, Christian Potiszil, Chie Sakaguchi, Katsura Kobayashi, Hiroshi Kitagawa, Masahiro Yamanaka, et al. Unraveling the Cr Isotopes of Ryugu: An Accurate Aqueous Alteration Age and the Least Thermally Processed Solar System Material. The Astrophysical Journal. 2024. 965. 1. 52-52
  • Tsutomu Ota, Christian Potiszil, Katsura Kobayashi, Ryoji Tanaka, Hiroshi Kitagawa, Tak Kunihiro, Chie Sakaguchi, Masahiro Yamanaka, Eizo Nakamura. The Formation of a Rubble Pile Asteroid: Insights from the Asteroid Ryugu. Universe. 2023
  • Christian Potiszil, Masahiro Yamanaka, Chie Sakaguchi, Tsutomu Ota, Hiroshi Kitagawa, Tak Kunihiro, Ryoji Tanaka, Katsura Kobayashi, Eizo Nakamura. Organic Matter in the Asteroid Ryugu: What We Know So Far. Life. 2023
  • Christian Potiszil, Masahiro Yamanaka, Tsutomu Ota, Ryoji Tanaka, Katsura Kobayashi, Eizo Nakamura. Detection of Meteoritic Amino Acids in Extremely Small Sample Sizes: Implications for Sample Return Missions. 2023
  • Christian Potiszil, Tsutomu Ota, Masahiro Yamanaka, Chie Sakaguchi, Katsura Kobayashi, Ryoji Tanaka, Tak Kunihiro, Hiroshi Kitagawa, Masanao Abe, Akiko Miyazaki, et al. Insights into the formation and evolution of extraterrestrial amino acids from the asteroid Ryugu. Nature Communications. 2023. 14. 1
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MISC (27):
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Education (4):
  • - 1997 Niigata University
  • - 1997 Niigata University Graduate School, Division of Science and Technology
  • - 1991 Ehime University Faculty of Science Department of Earth Sciences
  • - 1991 Ehime University Faculty of Science
Professional career (1):
  • 博士(理学) (新潟大学)
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