HASEGAWA Takeshi

Last updated: Nov 7, 2019 at 07:45

Name	HASEGAWA Takeshi
URL	http://petrolvolc.sci.ibaraki.ac.jp/
Affiliation	Ibaraki University
Section	Graduate School of Science and Engineering, Department of Science (Earth Sciences Course)
Job title	Associate Professor
Degree	Doctor(Hokkaido University)
Research funding number	00574196
ORCID ID	0000-0003-4940-6629

Research Areas

Earth and planetary science / Geology /
Earth and planetary science / Petrology/Mineralogy/Economic geology /

Academic & Professional Experience

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Apr 2014

Today

Associate Professor, Ibaraki University　

Awards & Honors

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Sep 2008

日本地質学会研究奨励賞

Published Papers

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Major/trace elements and Sr–Nd–Pb isotope systematics of lavas from lakes Barombi Mbo and Barombi Koto in the Kumba graben, Cameroon volcanic line: Constraints on petrogenesis

A.N.E. Asaah, T. Yokoyama, F.T. Aka, H. Iwamori, T. Kuritani, T. Usui, M. Gountie Dedzo, J. Tamen, T. Hasegawa, E.M. Fozing, M.J. Wirmvem, A.L. Nche

Journal of African Earth Sciences 161 103675 Jan 2020 [Refereed]

Eruption history and petrogenesis of rocks from Nyos volcano (NW Cameroon): Evidence from lithostratigraphy and geochemistry

Takeshi Hasegawa, Festus Tongwa Aka, Yasuo Miyabuchi, Linus Anye Nche, Tetsuo Kobayashi, Katsuya Kaneko, Asobo Nkengmatia Elvis Asaah, Boniface Kankeu, Issa, Takeshi Ohba, Minoru Kusakabe, Joseph Victor Hell

Journal of Volcanology and Geothermal Research 378 51-71 Jun 2019 [Refereed]

Even though ca 1746 people and over 3000 cattle were killed in 1986 by sudden release of about 800 million m 3 of CO 2 from Lake Nyos volcano in northwest Cameroon, the lake's formation history is not known. Here we report results of a lithostrati...

Petrology of the 120 ka Caldera-Forming Eruption of Kutcharo Volcano, Eastern Hokkaido, Japan: Coexistence of Multiple Silicic Magmas and their Relationship with Mafic Magmas

Matsumoto Akiko, Hasegawa Takeshi, Nakagawa Mitsuhiro

JOURNAL OF PETROLOGY 59(4) 771-793 Apr 2018 [Refereed]

Upper Triassic mafic dykes of Lake Nyos, Cameroon (West Africa) I: K-Ar age evidence within the context of Cameroon Line magmatism, and the tectonic significance

Aka Festus Tongwa, Hasegawa Takeshi, Nche Linus Anye, Asaah Asobo Nkengmatia Elvis, Mimba Mumbfu Ernestine, Teitchou Isidore, Ngwa Caroline, Miyabuchi Yasuo, Kobayashi Tetsuo, Kankeu Boniface, Yokoyama Tetsuya, Tanyileke Gregory, Ohba Takeshi, Hell Joseph Victor, Kusakabe Minoru

JOURNAL OF AFRICAN EARTH SCIENCES 141 49-59 May 2018 [Refereed]

網走地域の地質

川上源太郎, 廣瀬亘, 長谷川健, 林圭一, 渡辺真人

5万分の1地質図幅「網走」 75P,Suppl 1P 2018 [Refereed]

Large-scale Caldera-forming Eruption and Active Post-caldera Volcano: General Geology and Representative Outcrops of Toya Caldera and Usu Volcano, Southwestern Hokkaido, Japan

Hasegawa Takeshi, Matsumoto Akiko, Tomiya Akihiko, Nakagawa Mitsuhiro

JOURNAL OF GEOGRAPHY-CHIGAKU ZASSHI 127(2) 289-301 2018 [Refereed]

Methods of Estimating the Durations of Super Large Eruptions Based on Pyroclastic Deposits

Hasegawa Takeshi, Mochizuki Nobutatsu, Oiwane Hisashi

JOURNAL OF GEOGRAPHY-CHIGAKU ZASSHI 127(2) 273-288 2018 [Refereed]

Re-evaluation of the history of phreatic eruptions from Atosanupuri Volcano, eastern Hokkaido, Japan: Inferred from 14C ages and borehole cores of Japan Meteorological Agency

長谷川健, 中川光弘, 宮城磯治

地質学雑誌 123(5) 269‐281 May 2017 [Refereed]

Report of the IAVCEI 2017 Scientific Assembly

HASHIMOTO Takeshi, HASEGAWA Takeshi, KOZONO Tomofumi, MANNEN Kazutaka, NAKAMICHI Haruhisa, SUMITA Mari, SUZUKI Yuki, TAJIMA Yasuhisa, TAKAGI Akimichi, TANAKA Ryo, UESAWA Shimpei, YAMADA Taishi

BULLETIN OF THE VOLCANOLOGICAL SOCIETY OF JAPAN 62(4) 189-196 2017 [Refereed]

Superconductivity and Non-Fermi-Liquid Behavior in the Heavy-Fermion Compound CeCo1-xNixIn5

Otaka Ryo, Yokoyama Makoto, Mashiko Hiroaki, Hasegawa Takeshi, Shimizu Yusei, Ikeda Yoichi, Tenya Kenichi, Nakamura Shota, Ueta Daichi, Yoshizawa Hideki, Sakakibara Toshiro

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 85(9) Sep 2016 [Refereed]