Orihashi Yuji

オリハシユウジ | Orihashi Yuji

Affiliation and department：
Job title： Research Associate
Other affiliations (1)：

国際基督大学非常勤講師

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 (20)：

2020 - 2023 An overview of the Miocene tectonics in the Southwest Japan Arc from radiometric dating
2018 - 2020 U-Pb年代測定用の標準試料を自由自在に合成する:地球年代学の飛躍的発展への寄与
2017 - 2020 High resolution age model and paleoenvironmental change for K/Pg boundary
2016 - 2020 中期中新世の南海トラフ縁辺域復元
2015 - 2019 Global understanding variation of arc volcanism in southern Chile, accompanied with subducded plate boundary and their magma processes

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Papers (118)：

Reishi Takashima, Haruka Kusakawa, Sato Kuwabara, Yuji Orihashi, Hiroshi Nishi, Michio Niwano, Takeyoshi Yoshida. Identification of the source caldera for a Pliocene ash-flow tuff in Northeast Japan based on apatite trace-element compositions and zircon U-Pb ages. Journal of Volcanology and Geothermal Research. 2020. 401
Pablo Grosse, María Luisa Ochi Ramacciotti, Florencia Escalante Fochi, Silvina Guzmán, Yuji Orihashi, Hirochika Sumino. Geomorphology, morphometry, spatial distribution and ages of mafic monogenetic volcanoes of the Peinado and Incahuasi fields, southernmost Central Volcanic Zone of the Andes. Journal of Volcanology and Geothermal Research. 2020. 401. 106966
Yuji Orihashi, Ryo Anma, Shiki Machida, Minoru Sasaki, Kaishi Nakao, Yuichi Takaku, Natsue Abe. U-Pb dating of granitic cobble (dropstone) recovered from inner slope of the Chile Trench (48 degrees S): Constraint for its provenance. GEOCHEMICAL JOURNAL. 2020. 54. 4. 195-201
Takamasa Asako, Suzuki Katsuhiko, Fukami Yusuke, Iizuka Tsuyoshi, Tejada Maria Luisa G., Fujisaki Wataru, Orihashi Yuji, Matsumoto Takuya. Improved method for highly precise and accurate ¹⁸²W/¹⁸⁴W isotope measurements by multiple collector inductively coupled plasma mass spectrometry and application for terrestrial samples. GEOCHEMICAL JOURNAL. 2020. 54. 3. 117-127
SHINJOE Hironao. U-Pb ages of Miocene near-trench granitic rocks of the Southwest Japan arc: implications for magmatism related to hot subduction. Geological Magazine. 2020

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MISC (26)：

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
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
新正裕尚, 折橋裕二, ナランホ A. ホセ, 平田大二, 長谷中利昭, 福岡孝昭, 佐野貴司, 安間了. ホウ素含有量から見た南米アンデス弧、Southern Volcanic Zoneの第四紀フロント火山のスラブ由来成分(<特集>火山・マグマ学における放射化分析). 放射化分析. 2014. 30. 10-14
Ishihara Shunso, Orihashi Yuji. Zircon U-Pb age of the Triassic granitoids at Nui Phao, northern Viet Nam. BULLETIN OF THE GEOLOGICAL SURVEY OF JAPAN. 2014. 65. 1. 17-22

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Lectures and oral presentations (91)：

Along arc variations of fluorine and chlorine in the southern Andean arc
(Abstracts of Annual Meeting of the Geochemical Society of Japan 2018)
Isotopic Analysis of Light Elements using Laser Induced Emission Spectroscopy
(Abstracts of Annual Meeting of the Geochemical Society of Japan 2017)
Whole rock trace element composition of the high-Mg andesite of the Setouchi Volcanic Rocks, SW Japan
(PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN 2017)
U-Pb zircon ages of Miocene igneous rocks in western Shikoku
(Annual Meeting of the Geological Society of Japan 2017)
Detrital-zircon-age spectra of the Khabarovsk Complex, Far East Russia.
(Annual Meeting of the Geological Society of Japan 2017)

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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 (2)：

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) (4)：

THE GEOCHEMICAL SOCIETY OF JAPAN , THE GEOLOGICAL SOCIETY OF JAPAN , JAPAN GEOSCIENCE UNION , TOKYO GEOGRAPHICAL SOCIETY

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