Rchr
J-GLOBAL ID：200901005247579281   Update date: Oct. 04, 2024

Orihashi Yuji

オリハシ ユウジ | Orihashi Yuji
Affiliation and department：
Hirosaki University Graduate School of Science and Technology

About Hirosaki University Graduate School of Science and Technology


Job title： Research Associate
Homepage URL  (1)： https://scholar.google.co.jp/citations?user=zYmXiYQAAAAJ&hl=ja
Research field  (1)： Solid earth science
Research keywords  (11)： パタゴニア ,  LA-ICPMS ,  ジルコン ,  ウランー鉛年代 ,  放射年代学 ,  同位体地球化学 ,  火山 ,  マグマ ,  火成岩岩石学 ,  岩石・鉱物・鉱床学 ,  地球化学
Research theme for competitive and other funds  (25)：
  • 2024 - 2026 A New Scientific Framework of Volcanic Eruptions based on Apatite U-Th Disequilibrium System
  • 2023 - 2026 A New Scientific Framework of Volcanic Eruptions based on Apatite U-Th Disequilibrium System
  • 2023 - 2026 Redefinition of the distribution of the Setouchi volcanic rocks and inference of the spatio-temporal distribution of the Miocene Shikoku Basin slab.
  • 2021 - 2025 Environmental changes during the Latest Cretaceous Mass Extinction Event recorded in the complete K/Pg boundary sequence discovered firstly in East Asia
  • 2020 - 2023 An overview of the Miocene tectonics in the Southwest Japan Arc from radiometric dating
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Papers (129)：
  • Aline Alves dos Santos, Tiago Jalowitzki, Fernanda Gervasoni, Maurizio Mazzucchelli, Tommaso Giovanardi, Manuel Enrique Schilling, Maria Isabel Varas-Reus, Yuji Orihashi, Rodrigo Freitas Rodrigues, Richard Walter Carlson, et al. Mesoproterozoic depleted spinel peridotites metasomatized by high-K hydrous melt in the Patagonian back-arc. Chemical Geology. 2024. 670
  • Tiago Jalowitzki, Hirochika Sumino, Rommulo V. Conceição, Manuel E. Schilling, Gustavo W. Bertotto, Andrés Tassara, Fernanda Gervasoni, Yuji Orihashi, Keisuke Nagao, Marcelo Peres Rocha, et al. Pristine helium from the Karoo mantle plume within the shallow asthenosphere beneath Patagonia. Nature Communications. 2024. 15. 1
  • José Antonio Naranjo, Jorge Romero, Juan Pablo Contreras, Yuji Orihashi, Kevin Scott, Miguel Haller, Hirochika Sumino. Rapid growth and catastrophic destruction events of Planchón Volcano, Southern Andes. Volcanica. 2024. 7. 1. 21-49
  • Hironao Shinjoe, Yuji Orihashi, Mana Akasaka, Sota Niki, Minoru Sasaki, Takafumi Hirata. Geochronological and petrological investigations of Miocene felsic igneous rocks in the Amakusa Islands, southwest Japan: Possible extension of the Setouchi Volcanic Belt. Island Arc. 2024
  • Pablo Grosse, Silvina R. Guzmán, François Nauret, Yuji Orihashi, Hirochika Sumino. Central vs. lateral growth and evolution of the < 100 ka Peinado composite volcano, southern Central Volcanic Zone of the Andes. Journal of Volcanology and Geothermal Research. 2022. 425. 107532-107532
ｍore...
MISC (30)：
  • 新正 裕尚, 折橋 裕二. Magmatism due to subduction of young oceanic plate from the viewpoint of their whole rock boron content : Examples from Andean arc and Miocene southwest Japan arc. 月刊地球 = Chikyu monthly : カラー版. 2018. 40. 5. 272-279
  • Toyama Chiaki, Iwamori Hikaru, Sumino Hirochika, Shinjoe Hironao, Orihashi Yuji. Along arc variations of fluorine and chlorine in the southern Andean arc. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2018. 65. 0. 64
  • 新正 裕尚, 折橋 裕二, 角井 朝昭. Whole rock composition of felsic member of the Setouchi Volcanic Rocks in Sanuki plain. 東京経済大学人文自然科学論集. 2016. 139. 21-31
  • 新正 裕尚, 折橋 裕二, 外西 奈津美. Whole rock composition of the Ohno volcanic rocks in Eastern Kyushu (supplement). 東京経済大学人文自然科学論集. 2016. 138. 91-98
  • Orihashi Yuji, Ichihara Mie, Anma Ryo, Shinjoe Hironao, Toyama Chiaki, Sumino Hirochika, A. Naranjo Jose, Mibe Kenji, Nakai Shun'ichi. Variation of volcanic activity in Southern Volcanic Zone, Southern Chile and petrogenesis of its volcanic rocks: Constraint from subduction of fracture zones. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2016. 63. 0. 195
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Lectures and oral presentations  (107)：
  • Hf and W fractionation calculation between liquid metal and liquid silicate and resultant core-mantle interaction signature on the 182W isotope of the Ethiopian basalts
    (Abstracts of Annual Meeting of the Geochemical Society of Japan 2021)
  • Osmium isotope stratigraphy age and elemental composition of ferromanganese crusts from Iwaki seamount
    (Abstracts of Annual Meeting of the Geochemical Society of Japan 2021)
  • Timing of the Tokoshinai debris avalanche deposit, northeastern foot of Iwaki volcano: Constraints from its whole rock chemical compositions and K-Ar ages
    (Abstracts of Annual Meeting of the Geochemical Society of Japan 2021)
  • U-Pb age and bulk chemistry of the Early Cretaceous plutonic rocks distributed in Shimokita Peninsula, Aomori prefecture: Characteristics of the Cretaceous fore-arc volcanism
    (Abstracts of Annual Meeting of the Geochemical Society of Japan 2021)
  • Reexamination of stratigraphy for the Neogene Hinokigawa Formation, western Shimokita Peninsula, Aomori Prefecture, Japan and Hotokegaura Caldera newly defined
    (Abstracts of Annual Meeting of the Geochemical Society of Japan 2021)
ｍore...
Education (1)：
  • 1994 - 1997 Hokkaido University
Professional career (1)：
  • 北海道大学 (博士(理学))
Work history (4)：
  • 2018/04 - 現在 Hirosaki University Graduate School of Science and Technology
  • 2007/04 - 2018/03 The University of Tokyo Earthquake Research Institute
  • 1999/06 - 2007/03 The University of Tokyo Earthquake Research Institute
  • 1997/10 - 1999/06 Tokyo Institute of Technology School of Science, Department of Earth and Planetary Sciences
Awards (3)：
  • 2021/09 - 日本地球化学会 Geochemical Journal 賞
  • 2017/05 - 日本質量分析学会 論文賞
  • 2015/09 - 日本地質学会 論文賞
Association Membership(s) (5)：
日本質量分析学会 ,  THE GEOCHEMICAL SOCIETY OF JAPAN ,  THE GEOLOGICAL SOCIETY OF JAPAN ,  JAPAN GEOSCIENCE UNION ,  TOKYO GEOGRAPHICAL SOCIETY
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