YOSHIDA Kenta's Webpage

四国三波川変成帯 別子地域にて

Curriculum Vitae

  • 2010.3: BSc Degree, Kyoto University, Geology: ("Petrography of garnet amphibolite developed in the margin of the Iratsu amphibolite body, central Shikoku, Japan." supervisor: Prof. T. Hirajima).
  • 2012.3: MSc Degree, Kyoto University, Geology: ("Fluid inclusions with high Li/B ratio found from the Besshi district of the Sanbagawa belt: their chemical and petrographical characteristics and implications." supervisor: Prof. T. Hirajima).
  • 2015.3: PhD. Degree, Kyoto University, Science: ("Deep fluid characteristics in the subduction zone: A window from metamorphic quartz veins." supervisor: Prof. T. Hirajima)
  • 2013.4-2015.3: JSPS Research Fellow (DC2), Kyoto University.
  • 2015.4-2016.3: Specially Appointed Lecturer, Osaka City University
  • 2016.4-2017.6: PostDoc Researcher, JAMSTEC
  • 2017.7-2019.3: Scientist,  R&D center for Ocean Drilling Science, JAMSTEC
  • 2019.4-present: Scientist,  Research Institute for Marine Geodynamics, JAMSTEC

Contact

 

 

〒237-0061 神奈川県横須賀市夏島町2番地15

国立研究開発法人海洋研究開発機構 海域地震火山部門

火山・地球内部研究センター 固体地球データ科学研究グループ

Email: yoshida_ken@jamstec.go.jp

2024.4.1 科研費 基盤研究（B）に吉田が代表を務める「西之島・福徳岡ノ場の噴火にマグマの酸化還元状態が果たす役割」が採択されました（2024-2027年度）．
2024.3.15 環境再生保全機構の環境研究総合推進費で吉田が代表を務める「小笠原諸島・西之島が現在進行形で見せる『大陸生成現象』の再評価へむけた海域火山の海空総合的調査研究」が採択されました（2024-2026年度）．
2023.8.22 軽石論文が日本地質学会論文賞を受賞することになりました。巡り合わせに感謝。
2022.7.1 副主任研究員というものになったらしい
2021.4.1 任期の定めのない職に移行しました
2020.9.18 日本鉱物科学会の2019年度研究奨励賞第27回をいただきました．今後も研究に精進します．
2019.8.22 Goldschmidt 2019にてGeochemical Journal Awardをいただきました．doi:10.2343/geochemj.2.0502. 地球化学会で賞を貰えるとはおもってなかったので意外ですが，評価されたのがとても嬉しいです．
2017.9.12 日本鉱物科学会2017年年会において，JMPS学生論文賞を受賞しました．例のザクロ石の累帯構造の論文です．力業が評価されて嬉しいです．
2017.7.1 海洋研究開発機構 海洋掘削科学研究開発センターに研究員として着任しました．
2016.4.1 海洋研究開発機構にポストドクトラル研究員として着任しました．人生初，メアドのドメインがgo.jpに．
2015.11.17 先週のことですが，D論と1mmも関係ないにも拘わらず博士課程中にしこしこやってた仕事がようやく論文になりました．下記リストよりYoshida and Hirajima (2015, JMPS)，ザクロ石の累帯構造を力業で3次元マッピングしたのでよろしければ図だけでもご覧ください．
2015.4.1 大阪市立大学で特任講師として着任しました。
2014.9.22 日本鉱物科学会2014年年会において ポスター発表優秀賞をいただきました。
吉田健太、平島崇男、三宅亮、土`山明、大井修吾、中野司、上杉健太朗 「FIB-X線CTを用いた微小流体包有物の形態観察」
光栄です。
吉田健太，平島崇男　「三波川変成帯別子地域より見いだされたザクロ石Mnカルデラ型累帯構造の立体的記載とその成因」
因みに発表日は誕生日でした．
 
そういえば最近共同研究(Publicationsの6)がスロヴァキアのCrystal Wing Awardを受賞したらしいです．
Krištáľové krídlo za rok 2013――Medicína a veda- Marián Janák (6枚目の写真)

Publications view in Scopus 

  1. Carlut, J., Isambert, A., Carvallo, C., Garcia Da Fonseca, G., Wangue, M., Bouis, A., & Yoshida, K. (2024) Rock Magnetic Analyses as a Tool to Investigate Diversity in Drift Pumice Clasts: an Example from Japan's 2021 Fukutoku-Oka-no-Ba (FOB) Eruption. Island Arc, 33, e12507. https://doi.org/10.1111/iar.12507
  2. Bayarbold, M., Okamoto, A., Uno, M., Yoshida, K., Kotov, A., Agroli, G., Dandar, O., Niwa, Y., Kimura,M., & Tsuchiya, N. (2023) Multiphase-solid fluid inclusions in HP-LT eclogite facies rock (Zavkhan Terrane, Western Mongolia): evidence for the evolution from saline to hypersaline fluids during metamorphism in subduction zone. Contributions to Mineralogy and Petrology, 178, 85. https://doi.org/10.1007/s00410-023-02055-3
  3. Yoshida, K., Tamura, Y., Sato, T., Tanaka, E., Tada, N., Hamada, M., Hanyu, T., Chang, Q., & Ono, S. (2023) The proximal volcaniclastic materials of Fukutoku-Oka-no-Ba in the Izu-Bonin arc show contrasting characteristics to the drift pumice of the 2021 eruption. Island Arc, 32, e12498. https://doi.org/10.1111/iar.12498
  4. Miyazaki, T., Yasukawa, K., Tanaka, E., Vaglarov, B.S., & Yoshida, K. (2023) Ba stable isotope excursions induced by multiple hyperthermal events: A potential new index for transient global warming. Geochemical Journal, 57, e1-e8. https://doi.org/10.2343/geochemj.GJ23011
  5. Nakao, A., Kuwatani, T., Ueki, K., Yoshida, K., Yutani, T., Hino, H., & Akaho, S. (2023) Regression analysis and variable selection to determine the key subduction-zone parameters that determine the maximum earthquake magnitude. Earth, Planets and Space, 75, 78. https://doi.org/10.1186/s40623-023-01839-y
  6. Tamura, Y., Sato, T., Ishizuka, O., McIntosh, I., Yoshida, K., & Maeno, F. (2023) Magma genesis and interaction at Nishinoshima volcano in the Ogasawara arc: new insights from submarine deposits of the explosive 2020 eruptions. Frontiers in Earth Science, 11:1137416. https://doi.org/10.3389/feart.2023.1137416.
  7. Yoshida, K., Miyake, A., Okumura, S.H., Ishibashi, H., Okumura, S., Okamoto, A., Niwa, Y., Kimura, M., Sato, T., Tamura, Y., & Ono, S. (2023) Oxidation-induced nanolite crystallization triggered the 2021 eruption of Fukutoku-Oka-no-Ba, Japan. Scientific Reports, 13, 7117. https://doi.org/10.1038/s41598-023-34301-w 【プレスリリース】
  8. 上木賢太・原口悟・吉田健太・桑谷立・浜田盛久・Iona McIntosh・宮崎隆・羽生毅（2023）鬼界カルデラ噴火の総合理解に向けた噴出物化学組成データベースの構築．火山，68，3-21．https://doi.org/10.18940/kazan.68.1_3
  9. Hamada, M., Hanyu, T., McIntosh, I.M., Tejada, M.L.G., Chang, Q., Kaneko, K., Kimura, J-I., Kiyosugi, K., Miyazaki, T., Nakaoka, R., Nishimura, K., Sato, T., Seama, N., Suzuki-Kamata, K., Tanaka, S., Tatsumi, Y., Ueki, K., Vaglarov, B.S., Yoshida, K. (2023) Evolution of magma supply system beneath a submarine lava dome after the 7.3-ka caldera-forming Kikai-Akahoya eruption. Journal of Volcanology and Geothermal Research,  434, 107738. https://doi.org/10.1016/j.jvolgeores.2022.107738
  10. 吉田健太・丸谷由・桑谷立（2022）2021年福徳岡ノ場噴火由来のチョコチップクッキー様軽石とSNSを利用した地球科学の可能性・課題について．岩石鉱物科学，51, 220412，https://doi.org/10.2465/gkk.220412．
  11. Nakao, A., Kuwatani, T., Ueki, K., Yoshida, K., Yutani, T., Hino, H., Akaho, S. (2022) Subduction-zone parameters that control slab behavior at the 660-km discontinuity revealed by logistic regression analysis and model selection. Frontiers in Earth Science, https://doi.org/10.3389/feart.2022.1008058.
  12. Yoshida, K., Tamura, Y., Sato, T., Sangmanee, C., Puttapreecha, R., Ono, S. (2022) Petrographic characteristics in the pumice clast deposited along the Gulf of Thailand, drifted from Fukutoku-Oka-no-Ba. Geochemical Journal, 56(5), 134-137. https://doi.org/10.2343/geochemj.GJ22011
  13. Niki, S., Yoshida, K., Sawada, H., Oyanagi, R., Hirata, T. (2022) Decoupling of U–Pb ages and compositional zoning of garnet in a high–pressure marble from the eastern Iratsu body, Sanbagawa metamorphic terrane, Japan. Journal of Mineralogical and Petrological Sciences, 117, 210814. https://doi.org/10.2465/jmps.210814
  14. Yoshida, K., Tamura, Y., Sato, T., Hanyu, T., Usui, Y., Chang, Q., & Ono, S. (2022) Variety of the drift pumice clasts from the 2021 Fukutoku-Oka-no-Ba eruption, Japan. Island Arc, 31, e12441. https://doi.org/10.1111/iar.12441 (Open Access) 【プレスリリース】
  15. Kasymbekov, A., Takasu, A., Kabir, M.F., Endo, S., Bakirov, A.B., Sakiev, K., Orozbaev, R., Hirajima, T., & Yoshida, K. (2021) Metamorphism of garnet amphibolite and pelitic schist from the Upper Unit of the Makbal Complex, Kyrgyz Northern Tian-Shan. Earth Science (Chikyu Kagaku), 75, 271-288. https://doi.org/10.15080/agcjchikyukagaku.75.4_271
  16. Yoshida, K., Niki, S., Sawada, H., Oyanagi, R., Hirata, T., Asakura, K., & Hirajima, T. (2021) Discovery of the Early Jurassic high-temperature pre-Sanbagawa metamorphism recorded in titanite. Lithos, 106349. https://doi.org/10.1016/j.lithos.2021.106349
  17. Nurdiana, A., Okamoto, A., Yoshida, K., Uno, M., Nagaya, T., & Tsuchiya, N. (2021) Multi-stage infiltration of Na- and K-rich fluids from pegmatites at mid-crustal depths as revealed by feldspar replacement textures. Lithos, 388-389, 106096. https://doi.org/10.1016/j.lithos.2021.106096
  18. Yoshida, K., Niki, S., Sawada, H., & Oyanagi, R. (2021) Discovery of datolite in a high-pressure marble from the Sanbagawa metamorphic belt: Indication of B-rich fluid activity. Journal of Mineralogical and Petrological Sciences, 116, 1-8.https://doi.org/10.2465/jmps.200730
  19. Hagiwara, Y., Yoshida, K., Yoneda, A., Torimoto, J., & Yamamoto, J. (2021) Experimental variable effects on laser heating of inclusions during Raman spectroscopic analysis. Chemical Geology. https://doi.org/10.1016/j.chemgeo.2020.119928
  20. Kasymbekov, A., Takasu, A., Kabir, M.F., Endo, S., Bakirov, A.B., Sakiev, K., Orozbaev, R., Hirajima, T., & Yoshida, K. (2020) Metamorphism and K-Ar white mica ages of pelitic schists in the Makbal Complex, Kyrgyz Northern Tien-Shan. Earth Science (Chikyu Kagaku), 74, 47-64. https://doi.org/10.15080/agcjchikyukagaku.74.2_47
  21. 小林記之・吉田健太（2020）スロバキア共和国タトラ山地の変成岩および火成岩．名古屋学院大学論集（人文・自然科学篇），56, 55-65.
  22. Watanabe, T., Makimura, M., Kaiwa, Y., Desbois, G., Yoshida, K., & Michibayashi, K. (2019) Elastic wave velocity and electrical conductivity in a brine-saturated rock and microstructure of pores. Earth, Planets and Space, 71, 129. doi:10.1186/s40623-019-1112-9
  23. Petrík, I., Janák, M., Klonowska, I., Majka, J., Froitzheim, N., Yoshida, K., Sasinková, V., Konečný, P. (2019) Monazite behaviour during metamorphic evolution of a diamond-bearing gneiss: a case study from the Seve Nappe Complex, Scandinavian Caledonides. Journal of Petrology. doi: 10.1093/petrology/egz051
  24. Kuwatani, T., Yoshida, K., Ueki, K., Oyanagi, R., Uno, M., & Akaho, S. (2020) Sparse isocon analysis: a data-driven approach for material transfer estimation. Chemical Geology. doi:10.1016/j.chemgeo.2019.119345.
  25. Haraguchi, S., Ueki, K., Yoshida, K., Kuwatani, T., Mohamed, M., Horiuchi, S., & Iwamori, H. (2018) Geochemical database of Japanese islands for basement rocks: compilation of domestic article. Journal of Geological Society of Japan (地質学雑誌), doi: 10.5575/geosoc.2018.0027.
  26. Kuwatani, T., Nagao, H., Ito, S., Okamoto, A., Yoshida, K., & Okudaira, T. (2018) Recovering the past history of natural recording media by Bayesian inversion. Physical Review E, 98, 043311. doi:10.1103/PhysRevE.98.043311
  27. Yoshida, K., Kuwatani, T., Yasumoto, A., Haraguchi, S., Ueki, K., & Iwamori, H. (2018) GEOFCM: a new method for statistical classification of geochemical data using spatial contextual information. Journal of Mineralogical and Petrological Sciences, 113, 159-169. doi:10.2465/jmps.171127.
  28. Yasumoto, A., Yoshida, K., Kuwatani, T., Nakamura, D., Svojtka, M., & Hirajima, T. (2018) Fast and precise quantitative electron probe chemical mapping technique and its application to ultrahigh-pressure eclogite from the Moldanubian Zone of the Bohemian Massif (Nové Dvory, Czech Republic). American Mineralogist, 103, 1690-1698. doi:10.2138/am-2018-6323CCBY. (OPEN ACCESS)
  29. Kuwatani, T., Nagata, K., Yoshida, K., Okada, M., and Toriumi, M. (2018) Bayesian probabilistic reconstruction of metamorphic P-T paths using inclusion geothermobarometry. Journal of Mineralogical and Petrological Sciences, 113, 82-95, doi:10.2465/jmps.170923. (OPEN ACCESS)
  30. Yoshida, K., Kuwatani, T., Hirajima, T., Iwamori, H., and Akaho, S. (2018) Progressive evolution of whole–rock composition during metamorphism revealed by multivariate statistical analyses. Journal of Metamorphic Geology, 36, 41-54, doi:10.1111/jmg.12282. (OPEN ACCESS)
  31. Yoshida, K., Orozbaev, R., Hirajima, T., Miyake, A., Tsuchiyama, A., Bakirov, A., Takasu, A., and Sakiev, K. (2018) Micro-excavation and direct chemical analysis of individual fluid inclusion by cryo-FIB-SEM-EDS: application to the UHP talc-garnet-chloritoid schist from the Makbal Metamorphic Complex, Kyrgyz Tian-Shan. Geochemical Journal, 52, 59-67, doi:10.2343/geochemj.2.0502. (OPEN ACCESS)
  32. Iwamori, H., Yoshida, K., Nakamura, H., Kuwatani, T., Hamada, M., Haraguchi, S. and Ueki, K. (2017) Classification of geochemical data based on multivariate statistical analyses: Complementary roles of cluster, principal component, and independent component analyses. Geochemistry, Geophysics, Geosystems, 18, 994-1012, doi: 10.1002/2016GC006663.
  33. Okudaira, T., Shigematsu, N., Harigane, Y. and Yoshida, K. (2017) Grain size reduction due to fracturing and subsequent grain-size-sensitive creep in a lower crustal shear zone in the presence of a CO2-bearing fluid. Journal of Structural Geology, 95, 171-187.
  34. Sato, E., Hirajima, T., Yoshida, K., Kamimura, K. and Fujimoto, K. (2016) Phase relations of lawsonite-blueschists and their role as a water-budget monitor: A case study from the Hakoishi sub-unit of the Kurosegawa belt, SW Japan. European Journal of Mineralogy, 28, 1029-1046, doi: 10.1127/ejm/2016/0028-2573.
  35. Yoshida, K., Aoyagi, N., Kato, R. and Hirajima, T. (2016) Thermal structure of the Kebara Formation and its proximal areas in the western Kii Peninsula, SW Japan: Application of the carbonaceous material Raman geothermometry. Journal of Mineralogical and Petrological Sciences, 111, 398-404, doi: 10.2465/jmps.160506 (OPEN ACCESS).
  36. Petrík, I., Janák, M., Froitzheim, N., Georgiev, N., Yoshida, K., Sasinková, V., Konečný, P. and Milovská, S. (2016) Triassic to Early Jurassic (c. 200 Ma) UHP metamorphism in the Central Rhodopes: evidence from U–Pb–Th dating of monazite in diamond-bearing gneiss from Chepelare (Bulgaria). Journal of Metamorphic Geology, 34, 265-291, doi: 10.1111/jmg.12181.
  37. Yoshida, K. and Hirajima, T. (2015) 3D chemical mapping of ‘Mn–caldera shaped zoning’ garnet found from the Sanbagawa metamorphic belt of the Besshi district, SW Japan. Journal of Mineralogical and Petrological Sciences, 110, 197-213, 10.2465/jmps.140701 (OPEN ACCESS).
  38. Yoshida, K., Hirajima, T., Miyake, A., Tsuchiyama, A., Ohi, S., Nakano, T., and Uesugi, K. (2016) Combined FIB microsampling and X-ray microtomography: a powerful tool for the study of tiny fluid inclusions. European Journal of Mineralogy, 28, 245-256, doi:10.1127/ejm/2015/0027-2498.
  39. Janák, M., Froitzheim, N., Yoshida, K., Sasiková, V., Nosko, M., Kobayashi, T., Hirajima, T., and Vrabec, M. (2015) Diamond in metasedimentary crustal rocks from Pohorje, Eastern Alps: a window to deep continental subduction. Journal of Metamorphic Geology, 33, 495-512, doi:10.1111/jmg.12130.
  40. Yoshida, K., Hirajima, T., Ohsawa, S., Kobayashi, T., Mishima, T., and Sengen, Y. (2015) Geochemical features and relative B-Li-Cl compositions of deep-origin fluids trapped in high-pressure metamorphic rocks. Lithos, 226, 50-64, doi:10.1016/j.lithos.2015.03.002.
  41. Orozbaev, R., Hirajima, T., Bakirov, A., Takasu, A., Maki, K., Yoshida, K., Sakiev, K., Bakirov, A., Hirata, T., Tagiri, M. and Togonbaeva, A. (2015) Trace element characteristics of clinozoisite pseudomorphs after lawsonite in talc-garnet-chloritoid schists from the Makbal UHP Complex, northern Kyrgyz Tian-Shan. Lithos, 226, 98-115, doi:10.1016/j.lithos.2014.10.008.
  42. Majka, J., Rosén, Å., Janák, M., Froitzheim, N., Klonowska, I., Manecki, M., Sasinková, V. and Yoshida, K. (2014)  Microdiamond discovered in the Seve Nappe (Scandinavian Caledonides) and its exhumation by the "vacuum-cleaner" mechanism. Geology, 42, 1107-1110, doi: 10.1130/G36108.1 (toll-free link until 2016).
  43. Janák, M., Krogh Ravna, E.J., Kullerud, K., Yoshida, K., Milovsky, R. and Hirajima, T. (2013) Discovery of diamond in the Tromso Nappe, Scandinavian Caledonides (N. Norway). Journal of Metamorphic Geology, 31, 691-703.
  44. Okudaira, T., Bando, H. and Yoshida, K. (2013) Grain-boundary diffusion rates inferred from grain-size variations of quartz in metacherts from a contact aureole. American Mineralogist, 98, 680-688.
  45. Rehman, H.U., Kobayashi, K. Tsujimori, T. Ota, T. Yamamoto, H. Nakamura, E. Kaneko, Y. Khan, T. Terabayashi, M. Yoshida, K. and Hirajima, T. (2013) 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, 63, 179-196.
  46. Yoshida, K. and Hirajima, T. (2012) Annular fluid inclusions from a quartz vein intercalated with metapelites from the Besshi area of the Sanbagawa belt, SW Japan. Journal of Mineralogical and Petrological Sciences (OPEN ACCESS), 107, 50-55.
  47. Orozbaev, R., Yoshida, K., Bakirov, A., Hirajima, T., Takasu, A., Sakiev, K. and Tagiri, M., 2012. Preiswerkite and högbomite occurrences within garnets in the Aktyuz eclogite, Northern Tien-Shan, Kyrgyzstan. Journal of Mineralogical and Petrological Sciences (OPEN ACCESS), 106, 320-325.
  48. Yoshida, K., Sengen, Y., Tsuchiya, S., Minagawa, K., Kobayashi, T., Mishima, T., Ohsawa, S. and Hirajima, T., 2011. Fluid inclusions with high Li/B ratio in a quartz vein from the Besshi area of the Sambagawa metamorphic belt: implications for deep geofluid evolution. Journal of Mineralogical and Petrological Sciences (OPEN ACCESS), 106, 164-168.

コラム執筆 

その他（取材記事など ）

  • 2023.11.29 "地震・津波続いた鳥島近海の海底で“カルデラ”発見" （テレビ朝日系列インターネットニュース「アベマモーニング」内） https://www.youtube.com/watch?v=kYpuUPnwwtQ
  • 2023.11.9 "研究船「かいめい」緊急調査へ"（テレビ朝日系列「ワイド！スクランブル」内）
  • 2023.5.30 “噴火の引き金はマグマだまりにできた微細な結晶か 軽石噴出の福徳岡ノ場”（JSTサイエンスポータル） https://scienceportal.jst.go.jp/newsflash/20230530_n02/
  • 2023.5.10 ““軽石大噴出”の福徳岡ノ場…100万分の1mmの結晶で迫る、噴火メカニズムの謎”（講談社ブルーバックス） https://gendai.media/articles/-/107919
  • 2023.5.10 “3.7km以内に近づけない…！ 海底火山「福徳岡ノ場」調査のウラ側と、見えてきた最新“噴火研究”の「中身」”（講談社ブルーバックス） https://gendai.media/articles/-/107917
  • 2023.4.5 ザ・バックヤード“海洋研究開発機構（JAMSTEC）” （NHK Eテレ） https://www.nhk.jp/p/ts/17NP738N5R/episode/te/L61ZLYM93V/
  • 2023.1.16 "海底火山の噴火で漂着した軽石から、人類が未だ到達しえない地球深部の謎を読み解く" esse-sense https://esse-sense.com/articles/77
  • 2022.6.13 “過去100年で国内最大”の噴火…！ 海底火山「福徳岡ノ場」、その驚きの“噴火シナリオ” （サイエンスZERO） https://gendai.media/articles/-/96211

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