imayama takeshi 今山武志

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Imayama Takeshi 今山武志

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Researcher Number	90551961
Other IDs
Affiliation (Current)	2025: 岡山理科大学, フロンティア理工学研究所, 教授
Affiliation (based on the past Project Information) *help	2025: 岡山理科大学, フロンティア理工学研究所, 教授 2019 – 2024: 岡山理科大学, フロンティア理工学研究所, 准教授 2016 – 2018: 岡山理科大学, 付置研究所, 准教授
Review Section/Research Field	Principal Investigator Basic Section 17040:Solid earth sciences-related / Basic Section 17040:Solid earth sciences-related / Geology
Keywords	Principal Investigator 部分溶融 / 大陸衝突帯 / ヒマラヤ造山帯 / 超高圧変成岩 / 岩石学 / 地質年代学 / 微少領域年代測定 / チベット地殻 / インド－アジア衝突 / 微細構造解析 … More / 電子後方散乱 / ヒマラヤ山脈 / 変成圧力―温度経路 / 高圧変成岩 / 沈み込み初期 / オフィオライト / 超高圧変成岩体 / ヒマラヤ / 変成圧力－温度―時間経路 / 変成作用 / 超高圧－中圧型変成岩類 / 沈み込み帯 / 圧力－温度―時間経路 / 大陸衝突帯初期 / 北西インドヒマラヤ / 変成岩上昇過程 / 北西インド / 大陸衝突帯初期プロセス / ネパール / 大陸衝突型 / 圧力－温度－時間経路 / 圧力ー温度ー時間経路 / 高温変成岩 / 変成年代 / 圧力ー温度経路 / 変成岩 / 年代測定 / 地殻溶融 Less

インド－アジア衝突によるチベット地殻（上盤プレート）の造構プロセスの解明Principal Investigator
- Principal Investigator
  
  今山武志
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Okayama University of Science
Deep earth geodynamics beneath the HimalayasPrincipal Investigator
- Principal Investigator
  
  今山武志
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for JSPS Fellows
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Okayama University of Science
ヒマラヤ造山帯の沈み込み－大陸衝突初期造構プロセスPrincipal Investigator
- Principal Investigator
  
  今山武志
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Okayama University of Science
Geochronological and petrological studies of the northwestern Indian Himalayas: Understanding the early processes of continental collision zonePrincipal Investigator
- Principal Investigator
  
  Imayama Takeshi
- Project Period (FY)
  2018 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Okayama University of Science
Earlier crutal melting and its role in the Himalayan orogenPrincipal Investigator
- Principal Investigator
  
  Imayama Takeshi
- Project Period (FY)
  2016 – 2017
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Research Field
  
  Geology
- Research Institution
  Okayama University of Science

All 2024 2023 2022 2021 2020 2019 2018 2017 2016

All Journal Article Presentation

[Journal Article] Initiation of the Unazuki Belt, Southwest Japan, during the Carboniferous as an island arc system along the North China Craton2024
- Author(s)
  Oh Chang Whan、Kawaguchi Kenta、Lee Bo Young、Lee Seung Hwan、Imayama Takeshi
- Journal Title
  
  International Journal of Earth Sciences
  
  Volume: in press Issue: 5 Pages: 1241-1264
- DOI
  10.1007/s00531-024-02422-w
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22595
[Journal Article] The origin of the ultrahigh-pressure Tso Morari complex, NW Himalaya: implication for early Paleozoic rifting2023
- Author(s)
  Imayama Takeshi、Dutta Dripta、Yi Keewook
- Journal Title
  
  Geological Magazine
  
  Volume: 160 Issue: 11 Pages: 1975-1982
- DOI
  10.1017/s0016756824000025
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KF0120, KAKENHI-PROJECT-23K22595
[Journal Article] Zircon U-Pb, Hf, and O isotopic constraints on the tectonic affinity of the basement of the Himalayan orogenic belt: Insights from metasedimentary rocks, orthogneisses, and leucogranites in Garhwal, NW India2023
- Author(s)
  Imayama Takeshi、Bose Narayan、Yi Keewook、Jeong Yeon-Joong、Horie Kenji、Takehara Mami、Kawabata Ryoichi
- Journal Title
  
  Precambrian Research
  
  Volume: 397 Pages: 107183-107183
- DOI
  10.1016/j.precamres.2023.107183
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KF0120, KAKENHI-PROJECT-23K22595
[Journal Article] Intra-channel detachment in a collisional orogen: The Jhala Normal Fault in the Bhagirathi river section, Garhwal Higher Himalaya, India2023
- Author(s)
  Bose Narayan、Imayama Takeshi、Kawabata Ryoichi、Gupta Saibal、Yi Keewook
- Journal Title
  
  Journal of Earth System Science
  
  Volume: 132 Issue: 1 Pages: 6-6
- DOI
  10.1007/s12040-022-02019-4
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788, KAKENHI-PROJECT-23K22595
[Journal Article] Pressure-temperature paths of tectonic blocks in melange: Recording thermal evolution of a subduction channel at an initial stage of subduction2023
- Author(s)
  Takeshita Toru、Imayama Takeshi、Ando Mizuho、Kimura Yuto、Python Marie
- Journal Title
  
  Journal of Metamorphic Geology
  
  Volume: in press Issue: 6 Pages: 787-816
- DOI
  10.1111/jmg.12718
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22595
[Journal Article] Chemical mass transport during deformation and metamorphism: Insights from the Main Central Thrust and its footwall of Western Arunachal Himalaya, NE India2022
- Author(s)
  Kalita Pranjit、Phukon Purbajyoti、Goswami Tapos K.、Imayama Takeshi、Srivastava Hari B.
- Journal Title
  
  Lithos
  
  Volume: 416-417 Pages: 106641-106641
- DOI
  10.1016/j.lithos.2022.106641
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788, KAKENHI-PROJECT-23K22595
[Journal Article] Eocene to Miocene metamorphic evolution and tectonic implication of the Ilam Nappe in Nepal Himalaya: Constraints from P?T conditions and monazite petrochronology2022
- Author(s)
  Imayama Takeshi、Hoshino Ryuhei、Yi Keewook、Kawabata Ryoichi
- Journal Title
  
  Journal of Asian Earth Sciences
  
  Volume: 234 Pages: 105276-105276
- DOI
  10.1016/j.jseaes.2022.105276
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788, KAKENHI-PROJECT-23K22595
[Journal Article] Thematic issue: Evolution of Nepal Himalaya2021
- Author(s)
  Sakai Harutaka、Iwano Hideki、Imayama Takeshi
- Journal Title
  
  Island Arc
  
  Volume: 30 Issue: 1
- DOI
  10.1111/iar.12413
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03788
[Journal Article] Multi‐stage metamorphic history of the Oki gneisses in Japan: Implications for Paleoproterozoic metamorphism and tectonic correlations in northeastern Asia2021
- Author(s)
  Kawabata Ryoichi、Imayama Takeshi、Kato Takenori、Oh Chang‐Whan、Horie Kenji、Takehara Mami
- Journal Title
  
  Journal of Metamorphic Geology
  
  Volume: 40 Issue: 2 Pages: 257-286
- DOI
  10.1111/jmg.12627
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788, KAKENHI-PROJECT-18K05020, KAKENHI-PROJECT-20K20944, KAKENHI-PROJECT-23K20891
[Journal Article] Neoproterozoic and middle Paleozoic geological events in the eastern Wolhyeonri complex of the southwestern Gyeonggi Massif, South Korea, and their tectonic correlations in northeastern Asia.2021
- Author(s)
  Imayama, T., Oh*, C. W., Jeon, J., and Yi, K.
- Journal Title
  
  Lithos
  
  Volume: 382-383 Pages: 105923-105923
- DOI
  10.1016/j.lithos.2020.105923
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Journal Article] Tectonic discontinuity, partial melting and exhumation in the Garhwal Himalaya (Northwest India): Constrains from spatial and temporal pressure-temperature conditions along the Bhagirathi valley2021
- Author(s)
  Kawabata Ryoichi、Imayama Takeshi、Bose Narayan、Yi Keewook、Kouketsu Yui
- Journal Title
  
  Lithos
  
  Volume: 404-405 Pages: 106488-106488
- DOI
  10.1016/j.lithos.2021.106488
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788, KAKENHI-PROJECT-20KK0078
[Journal Article] The absence of high-pressure metamorphism in the inverted Barrovian metamorphic sequences of the Arun area, eastern Nepal and its tectonic implication2020
- Author(s)
  Imayama*, T., Uehara, S., Sakai, H., Yagi, K., Ikawa, C., and Yi, K.
- Journal Title
  
  International Journal of Earth Sciences
  
  Volume: 109 Issue: 2 Pages: 465-488
- DOI
  10.1007/s00531-019-01816-5
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Journal Article] Variability of protoliths and pressure-temperature conditions of amphibolites from the Ohmachi Seamount (Izu-Bonin-Mariana arc): Evidence of a fossil subduction channel in modern intra-oceanic arcs.2020
- Author(s)
  Imayama*, T., Ueda, H., Usuki, T., Minami, M., Asahara, Y., and Nagahashi, T.
- Journal Title
  
  Mineralogy and Petrology
  
  Volume: 114 Issue: 4 Pages: 305-318
- DOI
  10.1007/s00710-020-00705-z
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03788, KAKENHI-PROJECT-17H01671
[Journal Article] Late Permian to Early Triassic back-arc type volcanism in the southern Mongolia volcano-plutonic belt of the Central Asian Orogenic Belt: Implication for timing of the final closure of the Palaeo-Asian Ocean2019
- Author(s)
  Imayama, T., Koh, Y., Aoki, K., Saneyoshi, M., Yagi, K., Aoki, S., Terada, T., Sawada, Y., Ikawa, C., Ishigaki, S., Toyoda, S., Tsogtbaatar, Kh, and Mainbayar, B.
- Journal Title
  
  Journal of Geodynamics
  
  Volume: 131 Pages: 101650-101650
- DOI
  10.1016/j.jog.2019.101650
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Journal Article] Research report of the Tso Morari ultra-high pressure metamorphic complex in Ladakh, NW India2019
- Author(s)
  Imayama, T., and Dutta, D.
- Journal Title
  
  Bull. Inst. Front. Sci. Tech, Okayama Univ. of Sci.
  
  Volume: 1 Pages: 49-52
- NAID
  40022237185
- Data Source
  KAKENHI-PROJECT-18K03788
[Journal Article] Early Oligocene partial melting via biotite dehydration melting and prolonged low-pressure-low-temperature metamorphism of the upper High Himalaya Crystalline Sequences in far-eastern Nepal. In: Sharma, R., Villa, I. M. and Kumar, S. (eds.), Crustal Architecture and Evolution of the Himalaya-Karakoram-Tibet Orogen2018
- Author(s)
  Imayama, T., Takeshita, T., Yi, K. and Fukuyama, M.
- Journal Title
  
  Geological Society, London, Special Publications
  
  Volume: 481 Issue: 1 Pages: 1-27
- DOI
  10.1144/sp481.2
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-26109004, KAKENHI-PROJECT-16H07376, KAKENHI-PROJECT-18K03788, KAKENHI-PROJECT-16K20922
[Journal Article] Inverted metamorphism in the Ilam Nappe, far-eastern Nepal2018
- Author(s)
  Imayama, T. and R. Hoshino
- Journal Title
  
  Bull. Res. Inst. Nat. Sci., Okayama Univ. of Sci.
  
  Volume: 44 Pages: 11-15
- NAID
  40022022893
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Journal Article] 1.74 Ga crustal melting after rifting at the northern Indian margin: investigation of mylonitic orthogneisses in the Kathmandu area, central Nepal.2018
- Author(s)
  Imayama Takeshi、Arita Kazunori、Fukuyama Mayuko、Yi Keewook、Kawabata Ryoichi
- Journal Title
  
  International Geology Review
  
  Volume: 61 Issue: 10 Pages: 1207-1221
- DOI
  10.1080/00206814.2018.1504329
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K20922, KAKENHI-PROJECT-18K03788, KAKENHI-PROJECT-18K05020
[Journal Article] Regional Middle Paleozoic metamorphism in the southwestern Gyeonggi Massif, South Korea: Its implications for tectonics in Northeast Asia.2017
- Author(s)
  Oh, C. W., Imayama*, T., Jeon, J., and Yi, K.
- Journal Title
  
  Journal of Asian Earth Science
  
  Volume: 145 Pages: 542-564
- DOI
  10.1016/j.jseaes.2017.06.030
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H07376
[Journal Article] Paleoproterozoic high-pressure metamorphic history of the Salma eclogite on the Kola Peninsula, Russia.2017
- Author(s)
  Imayama, T., Oh, C. W., Baltybaev, S. K., Park, C.S., Yi, K., and Jung, H.
- Journal Title
  
  Lithosphere
  
  Volume: 9 Issue: 6 Pages: 855-873
- DOI
  10.1130/l657.1
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H07376
[Journal Article] Research report of metamorphic rocks in the Uttarakhand area, northwestern India.2017
- Author(s)
  Imayama, T., Kawabata, R., and Bose, N.
- Journal Title
  
  Bull. Res. Inst. Nat. Sci., Okayama Univ. of Sci.
  
  Volume: 43 Pages: 19-24
- NAID
  40021635290
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H07376
[Journal Article] Tectonics of the Himalayas2017
- Author(s)
  酒井治孝、今山武志、吉田孝紀、朝日克彦
- Journal Title
  
  The Journal of the Geological Society of Japan
  
  Volume: 123 Issue: 6 Pages: 403-421
- DOI
  10.5575/geosoc.2017.0026
- NAID
  130005858623
- ISSN
  0016-7630, 1349-9963
- Year and Date
  2017-06-15
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04062, KAKENHI-PROJECT-16H07376
[Journal Article] 隠岐・島後の片麻岩類の調査研究報告2016
- Author(s)
  今山武志・川端凌一・毛利元紀
- Journal Title
  
  岡山理科大学自然科学研究所研究報告
  
  Volume: 42 Pages: 15-20
- NAID
  40021295080
- Data Source
  KAKENHI-PROJECT-16H07376
[Journal Article] Whole rock chemistry of S-type leucogranites in far-eastern Nepal2016
- Author(s)
  Imayama, T.
- Journal Title
  
  The Bulletin of Okayama University of Science A
  
  Volume: 52 Pages: 55-61
- NAID
  120006315889
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H07376
[Presentation] Zircon U-Pb, Hf and O isotopic constraints on the pre-Himalayan crustal evolution: Insights from metasediment, orthogneiss and leucogranite in Garhwal, NW India2023
- Author(s)
  Imayama, T., Bose, N., Yi, K., Jeong, Y.-J., Horie, K., Takehara, M. and Kawabata, R.
- Organizer
  2023 Goldschmidt Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KF0120
[Presentation] Magmatic response to the subduction initiation of Early Cretaceous Nidar Ophiolite Complex, eastern Ladakh, NW Himalaya2023
- Author(s)
  Imayama, T., Sato, A., Dutta, D., Kaneda, Y., Watanabe, S., Hasegawa, Minami, M., Wakasugi, Y., Wakaki, S., and Yi, K.
- Organizer
  2023 EGU General Assembly
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KF0120
[Presentation] Zircon U-Pb, Hf and O isotopic constraints on the pre-Himalayan crustal evolution: Insights from metasediment, orthogneiss and leucogranite in Garhwal, NW India2023
- Author(s)
  Imayama, T., Bose, N., Yi, K., Jeong, Y.-J., Horie, K., Takehara, M. and Kawabata, R.
- Organizer
  2023 Goldschmidt Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22595
[Presentation] The origin of the ultrahigh-pressure Tso Morari Complex, NW Himalaya: Implication for Early Paleozoic rifting2023
- Author(s)
  Imayama, T., Dripta, D., and Yi, K.
- Organizer
  2023 地球惑星連合大会
- Data Source
  KAKENHI-PROJECT-23K22595
[Presentation] Magmatic response to the subduction initiation of Early Cretaceous Nidar Ophiolite Complex, eastern Ladakh, NW Himalaya2023
- Author(s)
  Imayama, T., Sato, A., Dutta, D., Kaneda, Y., Watanabe, S., Hasegawa, Minami, M., Wakasugi, Y., Wakaki, S., and Yi, K.
- Organizer
  2023 EGU General Assembly
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22595
[Presentation] The origin of the ultrahigh-pressure Tso Morari Complex, NW Himalaya: Implication for Early Paleozoic rifting2023
- Author(s)
  Imayama, T., Dripta, D., and Yi, K.
- Organizer
  2023 地球惑星連合大会
- Data Source
  KAKENHI-PROJECT-23KF0120
[Presentation] Eocene to Miocene metamorphic evolution and tectonic implication of the Ilam Nappe in Nepal Himalaya: Constraints from P-T conditions and monazite petrochronology2022
- Author(s)
  Imayama, T., Hoshino, R., Yi, K., and Kawabata, R.
- Organizer
  2022 Goldschmidt Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22595
[Presentation] Channel-flow induced 'normal faulting' in the Himalaya: a case study from the Jhala Normal Fault, Garhwal Higher Himalaya, NW India2022
- Author(s)
  Bose, N., Imayama, T., Kawabata, R., Gupta, S., and Yi, K.
- Organizer
  2022 EGU General Assembly
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Eocene to Miocene metamorphic evolution and tectonic implication of the Ilam Nappe in Nepal Himalaya: Constraints from P-T conditions and monazite petrochronology.2022
- Author(s)
  Imayama, T., Hoshino, R., Yi, K., and Kawabata, R.
- Organizer
  2022 Italian Geological Society conference
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22595
[Presentation] Early Paleozoic rift-related magmatism recorded in the ultrahigh-pressure Tso Morari Complex (NW Indian Himalaya)2022
- Author(s)
  Imayama, T., Dripta, D., and Yi, K.
- Organizer
  2022 Korean Geological Society conference
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22595
[Presentation] Eocene to Miocene metamorphic evolution and tectonic implication of the Ilam Nappe in Nepal Himalaya: Constraints from P-T conditions and monazite petrochronology2022
- Author(s)
  Imayama, T., Hoshino, R., Yi, K., and Kawabata, R.
- Organizer
  2022 Goldschmidt Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Early Paleozoic rift-related magmatic origin of the Tso Morari Complex (NW Indian Himalayas) and the protolithic diversity of the Himalayan high and ultrahigh-pressure rocks.2022
- Author(s)
  Dripta, D., Imayama, T., and Yi, K.
- Organizer
  2022 AGU meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Early Paleozoic rift-related magmatic origin of the Tso Morari Complex (NW Indian Himalayas) and the protolithic diversity of the Himalayan high and ultrahigh-pressure rocks.2022
- Author(s)
  Dripta, D., Imayama, T., and Yi, K.
- Organizer
  2022 AGU meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22595
[Presentation] Channel-flow induced 'normal faulting' in the Himalaya: a case study from the Jhala Normal Fault, Garhwal Higher Himalaya, NW India2022
- Author(s)
  Bose, N., Imayama, T., Kawabata, R., Gupta, S., and Yi, K.
- Organizer
  2022 EGU General Assembly
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22595
[Presentation] Eocene to Miocene metamorphic evolution and tectonic implication of the Ilam Nappe in Nepal Himalaya: Constraints from P-T conditions and monazite petrochronology2022
- Author(s)
  Imayama, T., Hoshino, R., Yi, K., and Kawabata, R.
- Organizer
  2022地球惑星連合大会
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Early Paleozoic rift-related magmatism recorded in the ultrahigh-pressure Tso Morari Complex (NW Indian Himalaya)2022
- Author(s)
  Imayama, T., Dripta, D., and Yi, K.
- Organizer
  2022 Korean Geological Society conference
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Eocene to Miocene metamorphic evolution and tectonic implication of the Ilam Nappe in Nepal Himalaya: Constraints from P-T conditions and monazite petrochronology.2022
- Author(s)
  Imayama, T., Hoshino, R., Yi, K., and Kawabata, R.
- Organizer
  2022 Italian Geological Society conference
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Eocene to Miocene metamorphic evolution and tectonic implication of the Ilam Nappe in Nepal Himalaya: Constraints from P-T conditions and monazite petrochronology2022
- Author(s)
  Imayama, T., Hoshino, R., Yi, K., and Kawabata, R.
- Organizer
  2022地球惑星連合大会
- Data Source
  KAKENHI-PROJECT-23K22595
[Presentation] Multiple igneous activities recorded in the Nidar ophiolite complex,　eastern Ladakh2021
- Author(s)
  佐藤成修, 今山武志, Dutta Dripta
- Organizer
  2021 Japan Geoscience Union Meeting
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] 北西インドNidarオフィオライト層火成岩類の岩石学・地球化学的研究2021
- Author(s)
  佐藤成修, 今山武志, Dutta Dripta, 金田泰明, 渡部将太, 長谷川健, 南雅代, 若杉勇輝, 若木重行
- Organizer
  2021日本鉱物学会
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Tectonic discontinuity, partial melting and exhumation in the Garhwal Himalaya (Northwest India): Constrains from spatial and temporal pressure-temperature conditions along the Bhagirathi valley2021
- Author(s)
  Imayama, T., Kawabata, R., Bose, N., Yi, K., and Kouketsu, Y.
- Organizer
  2021 AGU meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Neoproterozoic and middle Paleozoic geological events in the eastern Wolhyeonri complex of the southwestern Gyeonggi Massif, South Korea, and their tectonic correlations in northeastern Asia.2021
- Author(s)
  Imayama, T., Oh, C.W., Jeon, J., and Yi, K.
- Organizer
  2021変成岩などシンポジウム
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Multi-stage metamorphic history of the Oki gneisses in Japan: Implications for Paleoproterozoic metamorphism and tectonic correlations in northeastern Asia2021
- Author(s)
  Imayama, T., Kawabata, R., Kato, T., Oh, C. W., Horie, K., and Takehara, M.
- Organizer
  2021日本鉱物学会
- Invited
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] 南モンゴルペルム紀－三畳紀火山岩類と中央ネパール古原生代花崗岩類の起源とテクトニクス2021
- Author(s)
  今山武志
- Organizer
  2021日本地質学会
- Invited
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] 福島県南部，二岐山火山の噴火史とマグマ供給系2021
- Author(s)
  渡部将太，長谷川健，小畑直也，豊田新，今山武志
- Organizer
  2021日本地質学会
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Variability of Protoliths and P-T Conditions of Amphibolites from the Ohmachi Seamount (Izu-Bonin-Mariana Arc)2020
- Author(s)
  Imayama, T., Ueda, H., Usuki, T., Minami, M., Asahara, Y., and Nagahashi, T.
- Organizer
  2020 Goldschmidt Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Late Permian to Early Triassic back-arc type volcanism in the southern Mongolia volcano-plutonic belt of the Central Asian Orogenic Belt: Implication for timing of the final closure of the Palaeo-Asian Ocean.2020
- Author(s)
  Imayama, T., Koh, Y., Aoki, K., Saneyoshi, M., Yagi, K., Aoki, S., Terada, T., Sawada, Y., Ikawa, C., Ishigaki, S., Toyoda, S., Tsogtbaatar, Kh, and Mainbayar, B.
- Organizer
  Frontier Symposium on Geohistory of East Asia and Okayama
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] 隠岐片麻岩の複数変成作用と起源2020
- Author(s)
  今山武志
- Organizer
  日本地球化学会第 67回年会
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Preservation of the early Oligocene Barrovian-type metamorphism caused the fluid-present melting along Bhagirathi River in the Uttaraganti area, NW India2019
- Author(s)
  Kawabata, R., Imayama, T., Bose, N., Yi, K., and Kouketsu, Y.
- Organizer
  34th Himalaya-Karakorum-Tibet workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] The inverted Barrovian metamorphic sequences and fluid-present melting in the Arun area, eastern Nepal2019
- Author(s)
  Imayama, T., Uehara, S., Sakai, H., Yagi, K., Ikawa, C., and Yi, K.
- Organizer
  2019 Goldschmidt Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Classification of volcanic rocks in the Muslim Bagh area: Constraints from petrological characteristics and K-Ar ages2019
- Author(s)
  Arao, M., Imayama, T., Yagi, K., Ikawa, T., Sawada, M., Siddiqui, R., and Khan, S.
- Organizer
  JSPS Japanese-German graduate externship International Workshop on “Volatile Cycles”
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] CHIME年代測定による隠岐・島後片麻岩類の変成年代の推定2019
- Author(s)
  今山武志・川端凌市・加藤丈典
- Organizer
  名古屋大学宇宙地球環境研究所共同利用・共同研究コミュニティミーティング
- Invited
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] 北西インド Uttarakhand 地域の流体飽和による漸新世 Barrovian 型変成作用2019
- Author(s)
  川端凌市・今山武志・Narayan Bose・Yi Keewook・纐纈佑衣
- Organizer
  OUSフォーラム2019
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Petrological and geochronological studies of the volcanic rocks in the Muslim Bagh area, Pakistan.2019
- Author(s)
  荒尾眞成・今山武志・八木公史・猪川千晶・澤田順弘・Rehanul Siddiqui・Said Khan
- Organizer
  2019地球惑星科学連合大会
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Polymetamorphic evolution of the Oki gneisses in Japan: Implications for the Paleoproterozoic metamorphism and its tectonic correlation in northeastern Asia2019
- Author(s)
  Imayama, T., Kawabata, R., Kato, T., Horie, K., and Takehara, M.
- Organizer
  2019 Fall Joint Conference of the Korean Geological Sciences
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Late Permian to Early Triassic back-arc type volcanism in the southern Mongolia volcano-plutonic belt of the Central Asian Orogenic Belt: Implication for timing of the final closure of the Palaeo-Asian Ocean.2019
- Author(s)
  Imayama, T., Koh, Y., Aoki, K., Saneyoshi, M., Yagi, K., Aoki, S., Terada, T., Sawada, Y., Ikawa, C., Ishigaki, S., Toyoda, S., Tsogtbaatar, Kh, and Mainbayar, B.
- Organizer
  2019地球惑星科学連合大会
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] Early Oligocene partial melting via biotite dehydration melting and prolonged low- P/T metamorphism of the upper High Himalaya Crystalline Sequence in the far east of Nepal2019
- Author(s)
  Imayama, T., Takeshita, T., Yi, K. and Fukuyama, M.
- Organizer
  3rd International RINS Symposium －Metamorphism, deformation, and geochronology in orogeny－
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] The early Oligocene Barrovian-type metamorphism related to fluid-saturated melting along Bhagirathi River in the Uttarakhand area, NW India2019
- Author(s)
  Kawabata, R., Imayama, T., Bose, N., and Yi, K.
- Organizer
  3rd International RINS Symposium －Metamorphism, deformation, and geochronology in orogeny－
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] 1.74 Ga crustal melting after rifting at the northern Indian margin: Investigation of mylonitic orthogneisses in the Kathmandu area, central Nepal2018
- Author(s)
  Imayama, T., Arita, K. Fukuyama, M. Yi, K., and Kawabata, R.
- Organizer
  15th Asia Oceania Geosciences Society meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] 1.74 Ga crustal melting after rifting at the northern Indian margin: Investigation of mylonitic orthogneisses in the Kathmandu area, central Nepal2018
- Author(s)
  Imayama, T., Arita, K. Fukuyama, M. Yi, K., and Kawabata, R.
- Organizer
  33rd Himalaya-Karakorum-Tibet workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] 北西インドヒマラヤBhagirathi川沿いの変成温度圧力条件と変成年代について2018
- Author(s)
  川端凌市・今山武志・Narayan Bose・Yi Keewook
- Organizer
  「衝突山脈ヒマラヤの形成モデルの構築」研究集会, 京都大学
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] 1.74 Ga felsic magmatism formed via crustal melting: Investigation of mylonitic orthogneisses in the frontal zone of the Kathmandu Complex, central Nepal2018
- Author(s)
  Imayama, T., Arita, K. Fukuyama, M. Yi, K., and Kawabata, R.
- Organizer
  地球惑星科学連合大会
- Data Source
  KAKENHI-PROJECT-18K03788
[Presentation] 1.74 Ga felsic magmatism formed via crustal melting: Investigation of mylonitic orthogneisses in the frontal zone of the Kathmandu Complex, central Nepal2017
- Author(s)
  Takeshi Imayama, Kazunori Arita, Mayuko Fukuyama, Keewook Yi and Ryoichi Kawabata
- Organizer
  15 th Annual meeting Asia Oceania Geosciences Society
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H07376
[Presentation] 極東ネパールの高ヒマラヤ変成岩類上部に記録された前期漸新世の部分溶融と長期にわたる低圧/高温アナテクシス2017
- Author(s)
  今山武志
- Organizer
  「衝突山脈ヒマラヤの形成モデルの構築」研究集会
- Invited
- Data Source
  KAKENHI-PROJECT-16H07376
[Presentation] 1.74 Ga felsic magmatism formed via crustal melting: Investigation of mylonitic orthogneisses in the frontal zone of the Kathmandu Complex, central Nepal2017
- Author(s)
  Takeshi Imayama, Kazunori Arita, Mayuko Fukuyama, Keewook Yi and Ryoichi Kawabata
- Organizer
  2018地球惑星科学連合大会
- Data Source
  KAKENHI-PROJECT-16H07376
[Presentation] Early Oligocene partial melting and prolonged low P/T anatexis of the upper High Himalaya Crystalline Sequences in far-eastern Nepal.2017
- Author(s)
  Imayama, T., Takeshita, T., Yi. K. and Fukuyama, M.
- Organizer
  Geological Society of America Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H07376
[Presentation] Inverted Metamorphism across the Main Central Thrust constrained by metamorphic P-T condition, western Himalaya, India.2017
- Author(s)
  Saha, S., Takeshita, T., Imayama, T. and Srivastava, H. B.
- Organizer
  2017地球惑星科学連合大会
- Data Source
  KAKENHI-PROJECT-16H07376

1. DUTTA DRIPTA

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
2. 竹下徹

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
3. 福山繭子

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

imayama takeshi 今山 武志

Imayama Takeshi 今山 武志

Research Projects

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Co-Researchers

インド－アジア衝突によるチベット地殻（上盤プレート）の造構プロセスの解明Principal Investigator

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Deep earth geodynamics beneath the HimalayasPrincipal Investigator

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ヒマラヤ造山帯の沈み込み－大陸衝突初期造構プロセスPrincipal Investigator

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Geochronological and petrological studies of the northwestern Indian Himalayas: Understanding the early processes of continental collision zonePrincipal Investigator

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Earlier crutal melting and its role in the Himalayan orogenPrincipal Investigator

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[Journal Article] Initiation of the Unazuki Belt, Southwest Japan, during the Carboniferous as an island arc system along the North China Craton2024

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[Journal Article] The origin of the ultrahigh-pressure Tso Morari complex, NW Himalaya: implication for early Paleozoic rifting2023

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[Journal Article] Zircon U-Pb, Hf, and O isotopic constraints on the tectonic affinity of the basement of the Himalayan orogenic belt: Insights from metasedimentary rocks, orthogneisses, and leucogranites in Garhwal, NW India2023

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[Journal Article] Intra-channel detachment in a collisional orogen: The Jhala Normal Fault in the Bhagirathi river section, Garhwal Higher Himalaya, India2023

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[Journal Article] Pressure-temperature paths of tectonic blocks in melange: Recording thermal evolution of a subduction channel at an initial stage of subduction2023

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[Journal Article] Chemical mass transport during deformation and metamorphism: Insights from the Main Central Thrust and its footwall of Western Arunachal Himalaya, NE India2022

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[Journal Article] Eocene to Miocene metamorphic evolution and tectonic implication of the Ilam Nappe in Nepal Himalaya: Constraints from P?T conditions and monazite petrochronology2022

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[Journal Article] Thematic issue: Evolution of Nepal Himalaya2021

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[Journal Article] Multi‐stage metamorphic history of the Oki gneisses in Japan: Implications for Paleoproterozoic metamorphism and tectonic correlations in northeastern Asia2021

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imayama takeshi 今山武志

Imayama Takeshi 今山武志