Tatsunori Yokoyama

Profile Information

Affiliation: Tono Geoscience Center, Japan Atomic Energy Agency

Degree: 博士（理学）(総合研究大学院大学)

Researcher number: 10750846
J-GLOBAL ID: 201801013782438320
researchmap Member ID: B000337003

Research Areas

Natural sciences / Space and planetary science /

Awards

Jul, 2009

Meteoritical Society 2009 Annual meeting of Meteoritical Society, Student Travel grant

横山立憲

Papers

Special features of the new thermal ionization mass spectrometer installed at the National Museum of Nature and Science, and their precision, reproducibility and long term stability on isotopic ratio measurements

Yoneda, S, H. Hidaka, S. Machida, T. Yokoyama, K. Misawa, S. Sasaki, N. Kanazawa

Bulletin of the National Museum of Nature and Science, Series E, 35 1-6, 2012 Peer-reviewed
Isotopic abundance measurements of Ca by using the new thermal ionization mass spectrometer installed at the National Museum of Nature and Science

Yokoyama, T, K. Misawa, S. Yoneda

Bulletin of the National Museum of Nature and Science, Series E, 36 1-5, 2013 Peer-reviewed
Rb-Sr isotopic systematics of alkali-rich fragments in the Yamato-74442 LL-chondritic breccia

Tatsunori Yokoyama, Keiji Misawa, Osamu Okano, Chi-Yu Shih, Laurence E. Nyquist, Justin I. Simon, Michael J. Tappa, Shigekazu Yoneda

EARTH AND PLANETARY SCIENCE LETTERS, 366 38-48, Mar, 2013 Peer-reviewed
Photostimulated luminescence applicable to pre-screening of potassium-rich phases in chondritic breccias

Yokoyama, T., Misawa, K., Okano, O., Minowa, H., Fukuoka, T.

Journal of Radioanalytical and Nuclear Chemistry, 310(1), 2016
Extreme early solar system chemical fractionation recorded by alkali-rich clasts contained in ordinary chondrite breccias

Tatsunori Yokoyama, Keiji Misawa, Osamu Okano, Chi-Yu Shih, Laurence E. Nyquist, Justin I. Simon, Michael J. Tappa, Shigekazu Yoneda

EARTH AND PLANETARY SCIENCE LETTERS, 458 233-240, Jan, 2017 Peer-reviewed
Searches for Reference Materials for LA-ICPMS U-Pb Dating of Carbonates

Yokoyama Tatsunori, Saito―Kokubu Yoko, Mitsuguchi Takehiro, Murakami Hiroaki, Hirata Takafumi, Sakata Shuhei, Danhara Toru, Iwano Hideki, Maruyama Seiji, Qing Chang …

Abstracts of Annual Meeting of the Geochemical Society of Japan, 64 296-296, 2017
U-Pb dating of calcite using LA-ICP-MS: Instrumental setup for non-matrix-matched age dating and determination of analytical areas using elemental imaging

Tatsunori Yokoyama, Jun-Ichi Kimura, Takehiro Mitsuguchi, Toru Danhara, Takafumi Hirata, Shuhei Sakata, Hideki Iwano, Seiji Maruyama, Qing Chang, Takashi Miyazaki …

Geochemical Journal, 52(6) 531-540, Nov, 2018 Peer-reviewed
Thermal characteristics of fossil fluids from the Philippine Sea slab:Insights from fluid inclusions and thermochronology

Shigeru Sueoka, Hideki Iwano, Tohru Danhara, Masakazu Niwa, Mizuho Kanno, Barry P. Kohn, Makoto Kawamura, Tatsunori Yokoyama, Saya Kagami, Yasuhiro Ogita …

Sep 26, 2020
Simultaneous determination of zircon U-Pb age and titanium concentration using LA-ICP-MS: Analysis data and crystallization temperature.

Takashi Yuguchi, Kozue Ishibashi, Shuhei Sakata, Tatsunori Yokoyama, Daichi Itoh, Yasuhiro Ogita, Koshi Yagi, Takeshi Ohno

Data in brief, 32 106092-106092, Oct, 2020 Peer-reviewed
Simultaneous determination of zircon U-Pb age and titanium concentration using LA-ICP-MS for crystallization age and temperature

Yuguchi Takashi*, Ishibashi Kozue*, Sakata Shuhei*, Yokoyama Tatsunori, Ito Daichi*, Ogita Yasuhiro, Yagi Koshi*, Ono Takeshi*

Lithos, 372-373 105682\_1-105682\_9, Nov, 2020 Peer-reviewed
Characteristics in trace elements compositions of tephras (B-Tm and To-a) for identification tools

Fumiko Watanabe Nara, Tatsunori Yokoyama, Shin-Ichi Yamasak, Masayo Minam, Yoshihiro Asahara, Takahiro Watanabe, Kazuyoshi Yamada, Noriyoshi Tsuchiya, Yoshinori Yasuda

GEOCHEMICAL JOURNAL, 55(3) 117-133, 2021 Peer-reviewed
Solidification depth and crystallization age of the Shiaidani Granodiorite: Constraints to the average denudation rate of the Hida Range, central Japan

Tetsuo Kawakami, Shigeru Sueoka, Tatsunori Yokoyama, Saya Kagami, Georgina E. King, Frederic Herman, Sumiko Tsukamoto, Takahiro Tagami

ISLAND ARC, 30(1), Jan, 2021 Peer-reviewed
Incorporation of U, Pb and Rare Earth Elements in Calcite through Crystallisation from Amorphous Calcium Carbonate: Simple Preparation of Reference Materials for Microanalysis

Yusuke Miyajima, Ayaka Saito, Hiroyuki Kagi, Tatsunori Yokoyama, Yoshio Takahashi, Takafumi Hirata

GEOSTANDARDS AND GEOANALYTICAL RESEARCH, 45(1) 189-205, Mar, 2021 Peer-reviewed
Petrology and mineralogy of an igneous clast in the Northwest Africa 1685 (LL4) chondrite: Comparison with alkali-rich igneous clasts in LL-chondritic breccias

Takafumi Niihara, Tatsunori Yokoyama, Tomoko Arai, Keiji Misawa

METEORITICS & PLANETARY SCIENCE, 56(8) 1619-1625, Aug, 2021 Peer-reviewed
Two pulse intrusive events of the Pliocene Tanigawa-dake granites revealed from zircon U-Pb dating

Saki Minami, Mitsuhiro Nagata, Shigeru Sueoka, Shoma Fukuda, Yuya Kajita, Yasuhiro Ogita, Saya Kagami, Tatsunori Yokoyama, Takahiro Tagami

EARTH PLANETS AND SPACE, 73(1), Dec, 2021
Solidification pressures and ages recorded in mafic microgranular enclaves and their host granite: An example of the world's youngest Kurobegawa granite

Kota Suzuki, Tetsuo Kawakami, Shigeru Sueoka, Ayu Yamazaki, Saya Kagami, Tatsunori Yokoyama, Takahiro Tagami

Island Arc, in press, Jan, 2022 Peer-reviewed
Correction: Two pulse intrusive events of the Pliocene Tanigawa-dake granites revealed from zircon U–Pb dating (Earth, Planets and Space, (2021), 73, 1, (231), 10.1186/s40623-021-01556-4)

Minami, S., Nagata, M., Sueoka, S., Fukuda, S., Kajita, Y., Ogita, Y., Kagami, S., Yokoyama, T., Tagami, T.

Earth, Planets and Space, 74(1), 2022
Simultaneous determination of zircon crystallisation age and temperature: Common thermal evolution of mafic magmatic enclaves and host granites in the Kurobegawa granite, central Japan

Takashi Yuguchi, Hayato Yamazaki, Kozue Ishibashi, Shuhei Sakata, Tatsunori Yokoyama, Satoshi Suzuki, Yasuhiro Ogita, Kazusa Sando, Takumi Imura, Takeshi Ohno

JOURNAL OF ASIAN EARTH SCIENCES, 226, Apr, 2022
Low-temperature thermochronology of active arc-arc collision zone, South Fossa Magna region, central Japan

Shigeru Sueoka, Yumi Kobayashi, Shoma Fukuda, Barry P. Kohn, Tatsunori Yokoyama, Naomi Sano, Noriko Hasebe, Akihiro Tamura, Tomoaki Morishita, Takahiro Tagami

TECTONOPHYSICS, 828, Apr, 2022
Zircon U–Pb–Hf Isotopes and Whole-rock Geochemistry of Rhyolite and Tuff from the Harachiyama Formation, North Kitakami Mountains, NE Japan

Takuya HARADA, Mitsuhiro NAGATA, Yasuhiro OGITA, Saya KAGAMI, Tatsunori YOKOYAMA

Journal of Geography (Chigaku Zasshi), 132(1) 57-65, Feb 25, 2023 Peer-reviewed

Misc.

Annual report for research on geosphere stability for long-term isolation of radioactive waste in fiscal year 2023

Niwa Masakazu, Shimada Koji, Sueoka Shigeru, Ishihara Takanori, Hakoiwa Hiroaki, Asamori Koichi, Murakami Osamu, Fukuda Shoma, Ogita Yasuhiro, Kagami Saya …

JAEA-Research 2024-013, 65, Nov, 2024
K-Ca dating of fault samples: Toward evaluation of fault activity

横山立憲, 鏡味沙耶, 丹羽正和, 三澤啓司, 可児智美, 米田成一

日本地球化学会年会要旨集(Web), 71st, 2024
Annual report for research on geosphere stability for long-term isolation of radioactive waste in fiscal year 2022

Niwa Masakazu, Shimada Koji, Sueoka Shigeru, Ishihara Takanori, Ogawa Hiroki, Hakoiwa Hiroaki, Watanabe Tsuyoshi, Nishiyama Nariaki, Yokoyama Tatsunori, Ogata Manabu …

JAEA-Research 2023-005, 2023(5) 78, Oct, 2023
Research plan on geosphere stability for long-term isolation of radioactive waste (Scientific program for fiscal year 2023)

Masakazu Niwa, Koji Shimada, Shigeru Sueoka, Natsuko Fujita, Tatsunori Yokoyama, Yasuhiro Ogita, Shoma Fukuda, Toru Nakajima, Saya Kagami, Manabu Ogata …

JAEA-Review, 1-27, Oct, 2023
Evaluation of suitability of zircon as standard materials based on thermal history: example of the Wassogatake Formation in Ishikawa Prefecture

長田充弘, 中嶋徹, 福田将眞, 末岡茂, 八木公史, 横山立憲

フィッション・トラックニュースレター(Web), (36), 2023
Exhumation history of the Kurobe area, Hida Range, based on solidification ages and depths of the Pliocene-Quaternary plutons

末岡茂, 河上哲生, 鈴木康太, 鏡味沙耶, 横山立憲, 芝崎文一郎, 長田充弘, 山崎あゆ, 東野文子, KING Georgina E. …

フィッション・トラックニュースレター(Web), (36), 2023
Detailed identification by trace-element composition of volcanic glass shards for tephrochronology: Example of Znp-Ohta tephra

Saya Kagami, Tatsunori Yokoyama, Koji Umeda, ken―ichi Yasue, Masakazu Niwa, Akira Furusawa, Itoko Tamura

Abstracts of Annual Meeting of the Geochemical Society of Japan, 70 228, 2023
Research plan on geosphere stability for long-term isolation of radioactive waste (Scientific program for fiscal year 2022)

Eiji Sasao, Tsuneari Ishimaru, Masakazu Niwa, Akiomi Shimada, Koji Shimada, Takahiro Watanabe, Shigeru Sueoka, Tatsunori Yokoyama, Natsuko Fujita, Yasuhiro Ogita …

JAEA-Review, 1-29, Sep, 2022
Development of a method for in situ Sr isotopic analysis of apatite by LA-ICP-MS to constrain the chemical composition of the original magma

Kagami Saya, Yokoyama Tatsunori, Sasao Eiji, Yuguchi Takashi, Qing Chang

Abstracts of Annual Meeting of the Geochemical Society of Japan, 69 136, 2022
ジルコンU-Pb年代測定による谷川岳地域に露出する中新世~鮮新世花崗閃緑岩の貫入年代の推定—Estimation of intrusion ages in the Miocene-Pliocene granodiorite around the Tanigawa-dake based on zircon U-Pb dating—第45回フィッション・トラック研究会(2021年2月20日オンライン討論セッション)(オンライン発表公開 2月15日-2月22日)

南沙樹, 長田充弘, 末岡茂, 福田将眞, 梶田侑弥, 小北康弘, 横山立憲, 鏡味沙耶, 田上高広

フィッション・トラックニュースレター, (34) 4-8, Dec, 2021
アパタイトフィッション・トラック熱年代学に基づく北上山地の削剥史の推定—Estimation of denudation history of the Kitakami Mountains based on apatite fission-track thermochronology—第45回フィッション・トラック研究会(2021年2月20日オンライン討論セッション)(オンライン発表公開 2月15日-2月22日)

梶田侑弥, 末岡茂, 福田将眞, 横山立憲, 鏡味沙耶, 長田充弘, 田上高広

フィッション・トラックニュースレター, (34) 14-16, Dec, 2021
地質環境の長期安定性に関する研究年度報告書(令和2年度)—Annual Report for Research on Geosphere Stability for Long-term Isolation of Radioactive Waste in Fiscal Year 2020

石丸恒存, 尾方伸久, 國分(齋藤) 陽子, 島田耕史, 丹羽正和, 島田顕臣, 渡邊隆広, 末岡茂, 横山立憲, 藤田奈津子 …

JAEA-research, 2021(7), Oct, 2021
Analytical method for chemical compositions of volcanic glasses in Tono Geoscience Center -Quantitative measurements of Major Elements by using EPMA and Minor Elements by LA-ICP-MS-

鏡味沙耶, 横山立憲, 梅田浩司

日本原子力研究開発機構JAEA-Testing(Web), (2021-001), 2021
Research Plan on Geosphere Stability for Long-term Isolation of Radioactive Waste: (Scientific Program for Fiscal Year 2021)

石丸恒存, 國分(齋藤)陽子, 島田耕史, 島田顕臣, 丹羽正和, 渡邊隆広, 末岡茂, 横山立憲, 藤田奈津子, 小北康弘 …

日本原子力研究開発機構JAEA-Review(Web), (2021-012), 2021
Current status and prospects of FT and (U-Th)/He dating laboratory at Japan Atomic Energy Agency

Sueoka Shigeru, Shimada Koji, Kanno Mizuho, Yokoyama Tatsunori

Fisshion, Torakku Nyusureta, (33) 15-18, Oct, 2020
The origin of the Hida belt: Lu-Hf and U-Pb systematics of the zircon

長田充弘, 横山立憲, 鏡味沙耶, 大藤茂

日本地球惑星科学連合大会予稿集(Web), 2020, 2020
Research Plan on Geosphere Stability for Long-term Isolation of Radioactive Waste: (Scientific Program for Fiscal Year 2020)

石丸恒存, 尾方伸久, 島田耕史, 國分(齋藤)陽子, 丹羽正和, 浅森浩一, 渡邊隆広, 末岡茂, 小松哲也, 横山立憲 …

日本原子力研究開発機構JAEA-Review(Web), (2020-010), 2020
Annual Report for Research on Geosphere Stability for Long-term Isolation of Radioactive Waste in Fiscal Year 2018

石丸恒存, 尾方伸久, 花室孝広, 島田顕臣, 國分陽子, 浅森浩一, 丹羽正和, 島田耕史, 渡邊隆広, 雑賀敦 …

JAEA-research, 2019(6) 1-6,1-66, Nov, 2019
Research plan on geosphere stability for long-term isolation of radioactive waste (Scientific program for fiscal year 2019)

Ishimaru, Tsuneari, Ogata, Nobuhisa, Hanamuro, Takahiro, Shimada, Akiomi, Kokubu, Yoko, Asamori, Koichi, Niwa, Masakazu, Shimada, Koji, Watanabe, Takahiro, Sueoka, Shigeru …

JAEA-Review 2019-010, 2020(11) 1-46, Sep, 2019
U-Pb dating of calcium carbonate using LA-ICP-MS

Yokoyama Tatsunori

Isotope News, (764) 11-14, Aug, 2019

Presentations

Development of Sr isotope analysis for apatite by LA-ICP-MS

Kagami Saya, Yokoyama Tatsunori, Chang Q.*, Yuguchi Takashi*, Sasao Eiji

第18回同位体科学研究会
Estimation of intrusion ages in the Miocene-Pliocene granodiorite around the Tanigawa-dake based on zircon U-Pb dating

Minami Saki*, Nagata Mitsuhiro, Sueoka Shigeru, Fukuda Shoma, Kajita Yuya*, Ogita Yasuhiro, Yokoyama Tatsunori, Kagami Saya, Tagami Takahiro*

ESR応用計測研究会・ルミネッセンス年代測定研究会・フィッション・トラック研究会2020年度合同研究会
Estimation of denudation history of the Kitakami Mountains based on apatite fission-track thermochronology

Kajita Yuya*, Sueoka Shigeru, Fukuda Shoma, Yokoyama Tatsunori, Kagami Saya, Nagata Mitsuhiro, Tagami Takahiro*

ESR応用計測研究会・ルミネッセンス年代測定研究会・フィッション・トラック研究会2020年度合同研究会
Simultaneous determination of zircon U-Pb age and titanium concentration using LA-ICP-MS; A Case study of the Okueyama granite, Kyusyu, Japan

Ito Daichi*, Ishibashi Kozue*, Sakata Shuhei*, Yokoyama Tatsunori, Ogita Yasuhiro, Yagi Koshi*, Ono Takeshi*, Yuguchi Takashi*

日本鉱物科学会2020年年会
Simultaneous determination of zircon U-Pb age and titanium concentration using LA-ICP-MS; Case studies of the Kurobegawa granite, the Toki granite and the Tono plutonic complex

Ishibashi Kozue*, Sakata Shuhei*, Yokoyama Tatsunori, Ito Daichi*, Ogita Yasuhiro, Yagi Koshi*, Ono Takeshi*, Yuguchi Takashi*

日本鉱物科学会2020年年会
The Origin of Hida belt; Lu-Hf and U-Pb systematics of zircon

Nagata Mitsuhiro*, Yokoyama Tatsunori, Kagami Saya, Oto Shigeru*

JpGU-AGU Joint Meeting 2020
Izu-Bonin arc collision and mountain formation of the South Fossa Magna region; New insight from low-temperature thermochronology

Kobayashi Yumi*, Sueoka Shigeru, Fukuda Shoma*, Kohn B.*, Yokoyama Tatsunori, Hasebe Noriko*, Tamura Akihiro*, Morishita Tomoaki*, Tagami Takahiro*

JpGU-AGU Joint Meeting 2020
An Analytical technique for simultaneously estimating crystallization age and temperature of zircon using LA-ICP-MS

Yokoyama Tatsunori, Yuguchi Takashi*, Sakata Shuhei*, Ishibashi Kozue*, Ogita Yasuhiro*, Ito Daichi*, Ono Takeshi*, Kagami Saya, Mitsuguchi Takehiro, Sueoka Shigeru

30th Goldschmidt Conference (Goldschmidt 2020)
An Analytical technique of trace elements using LA-ICP-MS for tephra identification

Kagami Saya, Yokoyama Tatsunori, Umeda Koji*

30th Goldschmidt Conference (Goldschmidt 2020)
Current status and prospects of FT and (U-Th)/He dating laboratory at Japan Atomic Energy Agency

Sueoka Shigeru, Shimada Koji, Kanno Mizuho, Yokoyama Tatsunori

ESR応用計測研究会・ルミネッセンス年代測定研究会・第44回フィッション・トラック研究会2019年度合同研究会
Technical developments of trace element analysis for tephrochronological studies using LA-ICP-MS

Kagami Saya, Yokoyama Tatsunori

令和元年度東濃地科学センター地層科学研究情報・意見交換会
Synthesis of U and Pb-doped calcite; A Novel reference material for in situ U-Pb dating of carbonate

Miyajima Yusuke*, Saito Ayaka*, Kagi Hiroyuki*, Yokoyama Tatsunori, Hirata Takafumi*, Roberts N. M. W.*, Horstwood M.*

29th Goldschmidt Conference (Goldschmidt 2019)
Synthesis of calcite reference materials for in situ U-Pb dating through crystallization from amorphous calcium carbonates

Miyajima Yusuke*, Saito Ayaka*, Kagi Hiroyuki*, Yokoyama Tatsunori, Hirata Takafumi*

日本地球惑星科学連合2019年大会(JpGU 2019)
Thermochronology on the fore-arc side of Northeast Japan Arc

Kajita Yuya*, Sueoka Shigeru, Fukuda Shoma*, Hasebe Noriko*, Tamura Akihiro*, Morishita Tomoaki*, Kohn B. P.*, Yokoyama Tatsunori, Tagami Takahiro*

日本地球惑星科学連合2019年大会(JpGU 2019)
Uplift and denudation history of the South Fossa Magna region using low-temperature thermochronometric methods

Kobayashi Yumi*, Sueoka Shigeru, Fukuda Shoma*, Kohn B. P.*, Yokoyama Tatsunori, Hasebe Noriko*, Tamura Akihiro*, Morishita Tomoaki*, Tagami Takahiro*

日本地球惑星科学連合2019年大会(JpGU 2019)
Research report on long-term stability of geological environments and LA-ICP-MS-based age dating

Yokoyama Tatsunori, Mitsuguchi Takehiro, Sueoka Shigeru

日本地球惑星科学連合2019年大会(JpGU 2019)
Synthesis and homogeneity evaluation of reference calcite for U-Pb dating of carbonates

Miyajima, Yusuke, Saito, Ayaka, Kagi, Hiroyuki, Yokoyama, Tatsunori, Hirata, Takafumi

2018年度日本地球化学会第65回年会, Sep, 2018
Chemical fractionation of volatile elements in the early solar system recoded by Alkali-rich planetary materials

Yokoyama, Tatsunori, Misawa, Keiji, Yoneda, Shigekazu

2018年度日本地球化学会第65回年会, Sep, 2018
Technical developments of the U-Pb dating of carbonates using LA-ICP mass spectrometry

Yokoyama, Tatsunori, Kokubu, Yoko, Mitsuguchi, Takehiro, Murakami, Hiroaki, Hirata, Takafumi, Sakata, Shuhei, Danhara, Toru, Iwano, Hideki, Maruyama, Seiji, Chang, Q, Miyazaki, Takashi, Kimura, Junichi

2018年度日本地球化学会第65回年会, Sep, 2018
Zircon U-Pb dating of Aoki Granite in the Nishina Mountains, northern Japan Alps

Ueki, Tadamasa, Yokoyama, Tatsunori

日本地質学会第125年学術大会, Sep, 2018

Research Projects

断層はいつ動いたのかー活動性評価のための新たな放射年代学的アプローチー

科学研究費助成事業, 基盤研究(C), 日本学術振興会, Apr, 2023 - Mar, 2026

横山立憲, 丹羽正和, 鏡味沙耶, 三澤啓司, 米田成一, 可児智美
Construction of effective dating method for sedimentary ages of gravel layers

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Research (Exploratory), Japan Society for the Promotion of Science, Jun, 2019 - Mar, 2023

Yasue Ken-ichi
Condensation processes of volatile elements in the primordial solar nebula revealed by multi-isotope chronology

Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2023

Yokoyama Tatsunori
Ca isotopic compositions of chondrules: Implication for early evolution of planetary material

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2018

Misawa Keiji

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