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研究業績

査読有り（JAMSTECでの成果）

Nozaki T., Nagase T., Ushikubo T., Shimizu K., Komuro, K.. In situ sulfur isotope analysis of pyrite from the Ezuri Kuroko-type volcanogenic massive sulfide deposit, northeastern Japan: Contribution of microbial sulfate reduction to initial sulfide mineralization. RESOURCE GEOLOGY, 2024, 74, doi: 10.1111/rge.12328
Nozaki T., Nagase T., Ushikubo T., Shimizu K., Ishibashi J.-i., D/V Chikyu Expedition 909 Scientists. ERRATUM: Microbial sulfate reduction plays an important role at the initial stage of subseafloor sulfide mineralization. GEOLOGY, 2023, 51, 12, p. 1178-1178, doi: 10.1130/G47943E.1
Sota Arakawa, Daiki Yamamoto, Takayuki Ushikubo, Hiroaki Kaneko, Hidekazu Tanaka, Shigenobu Hirose, Taishi Nakamoto. Oxygen isotope exchange between molten silicate spherules and ambient water vapor with nonzero relative velocity: Implication for chondrule formation environment. ICARUS, 2023, 405, doi: 10.1016/j.icarus.2023.115690
Mingming Zhang, Kohei Fukuda, Michael J. Spicuzza, Guillaume Siron, Adriana Heimann, Alex J. Hammerstrom, Noriko T. Kita, Takayuki Ushikubo, John W. Valley. SIMS matrix effects in oxygen isotope analysis of olivine and pyroxene: Application to Acfer 094 chondrite chondrules and reconsideration of the primitive chondrule minerals (PCM) line. CHEMICAL GEOLOGY, 2022, 608, doi: 10.1016/j.chemgeo.2022.121016
Yulina Hane, Takayuki Ushikubo, Yusuke Yokoyama, Yosuke Miyairi, Shingo Kimura. Natal origin of Pacific bluefin tuna Thunnus orientalis determined by SIMS oxygen isotope analysis of otoliths. PLoS One, 2022, 17, 8, doi: 10.1371/journal.pone.0272850
Masataka Kawaguchi, Kenneth T. Koga, Estelle F. Rose-Koga, Kenji Shimizu, Takayuki Ushikubo, Akira Yoshiasa. Sulfur Isotope and Trace Element Systematics in Arc Magmas: Seeing through the Degassing via a Melt Inclusion Study of Kyushu Island Volcanoes, Japan. JOURNAL OF PETROLOGY, 2022, 63, 7, p. 1-31, doi: 10.1093/petrology/egac061
Maximilien Bôle, Takayuki Ushikubo, Rie S. Hori, Peter O. Baumgartner, Yuki Nakai, Masayuki Ikeda. Si isotope ratio of radiolaria across Triassic-Jurassic transition in a pelagic deep-sea bedded chert (Inuyama, Japan). GLOBAL AND PLANETARY CHANGE, 2022, 215, doi: 10.1016/j.gloplacha.2022.103882
Fukuda Kohei, Tenner Travis J., Kimura Makoto, Tomioka Naotaka, Siron Guillaume, Ushikubo Takayuki, Chaumard Noël, Hertwig Andreas T., Kita Noriko T.. A temporal shift of chondrule generation from the inner to outer Solar System inferred from oxygen isotopes and Al-Mg chronology of chondrules from primitive CM and CO chondrites. GEOCHIMICA ET COSMOCHIMICA ACTA, 2022, 322, p. 194-226, doi: 10.1016/j.gca.2021.12.027
MacPherson G. J., Krot A. N., Kita N. T., Bullock E. S. , Nagashima K., Ushikubo T., Ivanova M. A.. The Formation of Type B CAIs: Evolution from Type A CAIs. GEOCHIMICA ET COSMOCHIMICA ACTA, 2022, 321, p. 343-374, doi: 10.1016/j.gca.2021.12.033
Takeshi Kuritani, Kenji Shimizu, Takayuki Ushikubo, Qun‑Ke Xia, Jia Liu, Mitsuhiro Nakagawa, Hajime Taniuchi, Eiichi Sato, & Nobuo Doi. Tracing the subducting Pacific slab to the mantle transition zone with hydrogen isotopes. Scientific Reports, 2021, 11, doi: 10.1038/s41598-021-98307-y
Takeshi Kuritani, Eiichi Sato, Keiji Wada, Akiko Matsumoto, Mitsuhiro Nakagawa, Dapeng Zhao, Kenji Shimizu, Takayuki Ushikubo. Conditions of magma generation at the Me-akan volcano, northern Japan. JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH, 2021, 417, September, doi: 10.1016/j.jvolgeores.2021.107323
Takayuki Ushikubo, Makoto Kimura. Oxygen-isotope systematics of chondrules and olivine fragments from Tagish Lake C2 chondrite: Implications of chondrule-forming regions in protoplanetary disk. GEOCHIMICA ET COSMOCHIMICA ACTA, 2021, 293, p. 328-343, doi: 10.1016/j.gca.2020.11.003
Kawaguchi Masataka, Hasenaka Toshiaki, Koga Kenneth T., Rose‑Koga Estelle F., Yasuda Atsushi, Hokanishi Natsumi, Mori Yasushi, Shimizu Kenji, Ushikubo Takayuki. Persistent gas emission originating from a deep basaltic magma reservoir of an active volcano: the case of Aso volcano, Japan. CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2021, 176, doi: 10.1007/s00410-020-01761-6
Nozaki T.,Nagase T.,Ushikubo T.,Shimizu K.,Ishibashi J.-i., the D/V Chikyu Expedition 909 Scientists. Microbial sulfate reduction plays an important role at the initial stage of subseafloor sulfide mineralization. GEOLOGY, 2020, 49, p. in press, doi: 10.1130/G47943.1
Daisuke Nakashima, Makoto Kimura, Kouichi Yamada, Takaaki Noguchi, Takayuki Ushikubo, Noriko Kita. Oxygen isotope study of the Asuka-881020 CH chondrite I: Non-porphyritic chondrules. GEOCHIMICA ET COSMOCHIMICA ACTA, 2020, 290, p. 180-200, doi: 10.1016/j.gca.2020.09.003
Yulina Hane, Shingo Kimura, Yusuke Yokoyama, Yosuke Miyairi, Takayuki Ushikubo, Toyoho Ishimura, Nobuhiro Ogawa, Tomoya Aono, Kozue Nishida. Reconstruction of temperature experienced by Pacific bluefin tuna Thunnus orientalis larvae using SIMS and microvolume CF-IRMS otolith oxygen isotope analyses. MARINE ECOLOGY PROGRESS SERIES, 2020, 649, p. 175-188, doi: 10.3354/meps13451
Takeshi Hanyu, Junji Yamamoto, Katsunori Kimoto, Kenji Shimizu and Takayuki Ushikubo. Determination of total CO2 in melt inclusions with shrinkage bubbles. CHEMICAL GEOLOGY, 2020, 557, p. 119855, doi: 10.1016/j.chemgeo.2020.119855
Morihisa Hamada, Hikaru Iwamori, Philipp A. Brandl, Takayuki Ushikubo, Kenji Shimizu, Motoo Ito, He Li, Ivan P. Savov. Temporal evolution of proto-Izu–Bonin–Mariana arc volcanism over 10 Myr: Constraints from statistical analysis of melt inclusion compositions. JOURNAL OF PETROLOGY, 2020, 61, 1, doi: 10.1093/petrology/egaa022
Wataru Fujiya, Yuto Aoki, Takayuki Ushikubo, Ko Hashizume, Akira Yamaguchi. Carbon isotopic evolution of aqueous fluids in CM chondrites: Clues from in-situ isotope analyses within calcite grains in Yamato-791198.. GEOCHIMICA ET COSMOCHIMICA ACTA, 2020, 274, p. 246-260, doi: 10.1016/j.gca.2020.02.003
Fujiya W., Hoppe P., Ushikubo T., Fukuda K., Lindgren P., Lee M. R., Koike M., Shirai K., Sano Y.. Migration of D-type asteroids from the outer Solar System inferred from carbonate in meteorites. Nature Astronomy, 2019, 3, 10, p. 910-915, doi: 10.1038/s41550-019-0801-4
Travis J. Tenner, Daisuke Nakashima, Takayuki Ushikubo, Naotaka Tomioka, Makoto Kimura, Michael K. Weisberg, Noriko T. Kita. Extended chondrule formation intervals in distinct physicochemical environments: Evidence from Al-Mg isotope systematics of CR chondrite chondrules with unaltered plagioclase. GEOCHIMICA ET COSMOCHIMICA ACTA, 2019, 260, p. 133-160, doi: 10.1016/j.gca.2019.06.023
KENJI SHIMIZU, TAKAYUKI USHIKUBO, TOMOKAZU MURAI, FUMIHIRO MATSU’URA, YUICHIRO UENO. In situ analyses of hydrogen and sulfur isotope ratios in basaltic glass using SIMS. GEOCHEMICAL JOURNAL, 2019, 53, 3, p. 195-207, doi: 10.2343/geochemj.2.0559
Hertwig A. T., Kimura M., Ushikubo T., Defouilloy C., Kita N. T.. The 26Al-26Mg systematics of FeO-rich chondrules from Acfer 094: Two chondrule generations distinct from in age and oxygen isotope ratios. GEOCHIMICA ET COSMOCHIMICA ACTA, 2019, 253, p. 111-126, doi: 10.1016/j.gca.2019.02.020
Takeshi Kuritani, Qun-Ke Xia, Jun-Ichi Kimura, Jia Liu, Kenji Shimizu, Takayuki Ushikubo, Dapeng Zhao, Mitsuhiro Nakagawa, Shumpei Yoshimura. Buoyant hydrous mantle plume from the mantle transition zone. Scientific Reports, 2019, 9, doi: 10.1038/s41598-019-43103-y
Takeshi Hanyu, Kenji Shimizu, Takayuki Ushikubo, Jun-Ichi Kimura, Qing Chang, Morihisa Hamada, Motoo Ito, Hikaru Iwamori, Tsuyoshi Ishikawa. Tiny droplets of ocean island basalts unveil Earth’s deep chlorine cycle. Nature Communications, 2019, 10, 1, doi: 10.1038/s41467-018-07955-8
Kevin Lepot, Kenneth H. Williford, Pascal Philippot, Christophe Thomazo, Takayuki Ushikubo, Kouki Kitajima, Smail Mostefaoui, John W. Valley. Extreme 13C-depletions and organic sulfur content argue for S-fueled anaerobic methane oxidation in 2.72 Ga old stromatolites. GEOCHIMICA ET COSMOCHIMICA ACTA, 2018, 244, p. 522-547, doi: 10.1016/j.gca.2018.10.014
Kotaro Shirai, Tsuguo Otake, Yosuke Amano, Mari Kuroki, Takayuki Ushikubo, Noriko T. Kita, Masafumi Murayama, Katsumi Tsukamoto, John W.Valley. Temperature and depth distribution of Japanese eel eggs estimated using otolith oxygen stable isotopes. GEOCHIMICA ET COSMOCHIMICA ACTA, 2018, 236, p. 373-383, doi: 10.1016/j.gca.2018.03.006
Morihisa Hamada, Jun-Ichi Kimura, Qing Chang, Takeshi Hanyu, Takayuki Ushikubo, Kenji Shimizu, Motoo Ito, Takahiro Ozawa, Hikaru Iwamori. High-precision in situ analysis of Pb isotopes in melt inclusions by LA-ICP-MS and application of Independent Component Analysis. GEOCHEMICAL JOURNAL, 2018, 52, 1, p. 69-74, doi: 10.2343/geochemj.2.0497
Kenji Shimizu, Takayuki Ushikubo, Morihisa Hamada, Shoichi Itoh, Yoshinori Higashi, Eiichi Takahashi, Motoo Ito. H2O, CO2, F, S, Cl, and P2O5 analyses of silicate glasses using SIMS: Report of volatile standard glasses. GEOCHEMICAL JOURNAL, 2017, 51, 4, p. 299-313
Takayuki Ushikubo, Travis J. Tenner, Hajime Hiyagon, Noriko T. Kita. A long duration of the 16O-rich reservoir in the solar nebula, as recorded in fine-grained refractory inclusions from the least metamorphosed carbonaceous chondrites.. Geochimica et Cosmochimica Acta, 2017, 201, p. 103-122, doi: 10.1016/j.gca.2016.08.032
牛久保孝行. 入門講座　精密同位体分析　二次イオン質量分析計を用いた高精度局所同位体比分析手法の開発と応用. ぶんせき, 2016, 2016, 10, p. 390-396
牛久保孝行. エポックメイキングな隕石たち（その７）：Acfer 094隕石～初期太陽系微粒子の宝庫～. 遊星人（日本惑星科学会誌）, 2016, 25, 1, p. 8-12
Joswiak D J , D. Nakashima , D.E. Brownlee , G. Matrajt , USHIKUBO TAKAYUKI , N.T. Kita, S.Messenger , ITO MOTOO. Terminal Particle from Stardust Track 130: Probable Al-rich Chondrule Fragment from Comet Wild 2. Geochimica et Cosmochimica Acta, 2014, doi: 10.1016/j.gca.2014