Updated on 2023/11/21

写真a

 
IWATA Naoyoshi
 
Title
Associate Professor
Contact information
メールアドレス
Laboratory Fax number
+81-23-628-4661
 

Research Areas

  • Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention) / Disaster prevention engineering

  • Natural Science / Solid earth sciences

  • Natural Science / Space and planetary sciences

Graduating School

  • Yamagata University, Faculty of Science, Earth Sciences

    1991.03, Graduated

Graduate School

  • Yamagata University, Graduate School, Division of Natural Science

    Master's Course, 1993.03, Completed

  • The University of Tokyo, Graduate School, Division of Science, Geology

    Doctor's Course, 1998.03, Completed

Degree

  • Doctor (Science), The University of Tokyo, 1998.03

Academic Society Affiliations

  • Japan Geoscience Union

  • Japan Association of Mineralogical Sciences

  • The Mass Spectrometry Society of Japan

 

Research Career

  • Geochronological Study by the Radiometric Dating Method, 1991.04 -

    Radiometric Dating, Age

Papers

  • Noble gas mass-spectrometry for extraterrestrial micro-samples: analyses of asteroid matter returned by Hayabusa2 JAXA mission, Journal of Analytical Atomic Spectrometry, 38 1785-1797, 2023.07

    A. Meshik, O. Pravdivtseva, R. Okazaki, K. Yogata, T. Yada, F. Kitajima, H. Yurimoto, T. Nakamura, H. Yabuta, H. Naraoka, K. Sakamoto, S. Tachibana, M. Nishimura, A. Nakato, A. Miyazaki, M. Abe, T. Ok...

    Multiple Authorship (Including Foreigners)

  • Noble gases and nitrogen in samples of asteroid Ryugu record its volatile sources and recent surface evolution, Science, 379(6634) , 2023.02

    Ryuji Okazaki, Bernard Marty, Henner Busemann, Ko Hashizume, Jamie D. Gilmour, Alex Meshik, Toru Yada, Fumio Kitajima, Michael W. Broadley, David Byrne, Evelyn Füri, My E. I. Riebe, Daniela Krietsch, ...

    Multiple Authorship (Including Foreigners)

  • The noble gas and nitrogen relationship between Ryugu and carbonaceous chondrites, Geochimica et Cosmochimica Acta, 345 62-74, 2023.01

    M.W. Broadley, D.J. Byrne, E. Füri, L. Zimmermann, B. Marty, R. Okazaki, T. Yada, F. Kitajima, S. Tachibana, K. Yogata, K. Sakamoto, H. Yurimoto, T. Nakamura, T. Noguchi, H. Naraoka, H. Yabuta, S.-i. ...

    Multiple Authorship (Including Foreigners)

  • First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu, Science Advances, 8(46) eabo7239, 2022.11

    Ryuji Okazaki, Yayoi N. Miura, Yoshinori Takano, Hirotaka Sawada, Kanako Sakamoto, Toru Yada, Keita Yamada, Shinsuke Kawagucci, Yohei Matsui, Ko Hashizume, Akizumi Ishida, Michael W. Broadley, Bernard...

    Multiple Authorship (Including Foreigners)

  • Geochemical and geochronological constraints on origin of the Sawlava ophiolite (NW Iran): Evidence for oceanic mantle evolution beneath Iran-Iraq border, Lithos, 2022.04

    Mohammad Reza Ghorbani, Hossein Mahmoudi, Fatemeh Sepidbar, Matthias Barth, Mohammed Zaki Khedr, Naoyoshi Iwata, Ryuichi Shinjo, Parham Ahmadi

    Multiple Authorship (Including Foreigners)

  • K-Ar dates measured in the geochronology laboratory of Yamagata University : Rocks from the Himekami pluton of northwestern Kitakami Mountains, northeastern Japan arc, Bulletin of Yamagata University (Natural Science), 20(1) 1-8, 2022.02

    Naoyoshi Iwata, Takeru Sasaki, Kazuo Saito

    Multiple Authorship (Only Japanese)

  • K-Ar dates measured in the geochronology laboratory of Yamagata University ‒Daitodake, Senoharayama, Yamagata Kamurodake, Minamiomoshiroyama, Koazumadake, and some volcanic rocks in the Banji-iwa Volcanic Rocks, northeast Japan arc, Bulletin of Yamagata University (Natural Science), 19(4) 1-13, 2021.02

    Naoyoshi Iwata, Mutsumu Ishii, Makoto Numakunai, Kazuo Saito

    Multiple Authorship (Only Japanese)

  • K-Ar dates measured in the geochronology laboratory of Yamagata University – Rocks from the Nekoma volcano, Fukushima Prefecture, Bulletin of Yamagata University (Natural Science), 19(4) 15-25, 2021.02

    Naoyoshi Iwata, Kouji Iwatare, Kazuo Saito

    Multiple Authorship (Only Japanese)

  • Unpublished K-Ar dates measured in the geochronology laboratory of Yamagata University —Rocks from Omoshiroyama and Gantoyama on prefectural boundary between Yamagata and Miyagi, Bulletin of Yamagata University (Natural Science), 19(3) 1-9, 2020.02

    Iwata, N., Numakunai, M., Ishii, M. and Saito, K.

    Multiple Authorship (Only Japanese)

  • Unpublished K-Ar dates measured in the geochronology laboratory of Yamagata University —Rocks from the Abukuma Highland in Nihonmatsu area, Fukushima Prefecture, Bulletin of Yamagata University (Natural Science), 19(3) 11-19, 2020.02

    Iwata, N., Kanno, F. and Saito, K.

    Multiple Authorship (Only Japanese)

  • Unpublished K-Ar dates measured by geochronology laboratory of the Yamagata University -Myojinyama in the Mukaimachi caldera, northeastern side of Yamagata Prefecture, Bulletin of Yamagata University (Natural Science), 19(1/2) 1-6, 2019.02

    Iwata, N. and Takaoka, N.

    Multiple Authorship (Only Japanese)

  • Unpublished K-Ar dates measured by geochronology laboratory of the Yamagata University -Rocks from the Nanatsumori volcano, Miyagi Prefecture, Bulletin of Yamagata University (Natural Science), 19(1/2) 7-13, 2019.02

    Iwata, N., Hashimoto, T. and Saito, K.

    Multiple Authorship (Only Japanese)

  • Evolution history of Gassan volcano, northeast Japan arc, Open Journal of Geology, 8(7) 647-661, 2018.07

    Oizumi, R. Ban, M., Iwata, N.

    Multiple Authorship (Only Japanese)

  • An in-situ K-Ar isochron dating method for planetary landers using a spot-by-spot laser-ablation technique, Planetary and Space Science, 128 14-29, 2016.09

    Yuichiro Cho, Seiji Sugita, Yayoi N. Miura, Ryuji Okazaki, Naoyoshi Iwata, Tomokatsu Morota and Shingo Kameda

    Multiple Authorship (Only Japanese)

  • High energy muon induced radioactive nuclides in nickel plate and its use for 2-D muon-beam image profile, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 799 54-58, 2015.08

    Kurebayashi, Y., Sakurai, H., Takahashi, Y., Doshita, N., Kikuchi, S., Tokanai, F., Horiuchi, K., Tajima, Y., Oe, T., Sato, T., Gunji, S., Inui, E., Kondo, K., Iwata,N., Sasaki, N., Matsuzaki, H. and ...

    Multiple Authorship (Only Japanese)

  • Dating of altered mafic intrusions by applying a zircon fission track thermochronometer to baked country rock, and implications for the timing of volcanic activity during the opening of the Japan Sea, Island Arc, 24(2) 221-231, 2015.07

    Hiroyuki Hoshi, Hideki Iwano, Tohru Danhara, Naoyoshi Iwata

    Multiple Authorship (Only Japanese)

  • Cometary dust in Antarctic ice and snow: Past and present chondritic porous micrometeorites preserved on the Earth’s surface, Earth and Planetary Science Letters, 410 1-11, 2015.01

    Takaaki Noguchi, Noriaki Ohashi, Shinichi Tsujimoto, Takuya Mitsunari, John, P. Bradley, Tomoki Nakamura, Shoichi Toh, Thomas Stephan, Naoyoshi Iwata, Naoya Imae

    Multiple Authorship (Including Foreigners)

  • Small unmanned aerial vehicles for aeromagnetic surveys and their flights in the South Shetland Islands, Antarctica, Polar Science, 8(4) 342-356, 2014.12

    Minoru Funaki, Shin-Ichiro Higashino, Shinya Sakanaka, Naoyoshi Iwata, Norihiro Nakamura, Naohiko Hirasawa, Noriaki Obara, Mikio Kuwabara

    Multiple Authorship (Only Japanese)

  • The Reaction of Overseas Upper Secondary School Students to the Presentation Given on the East Japan Great Earthquake Disaster by Japanese Students at the 5th International Earth Science Olympiad, 66(1) 13-25, 2013.06

    Multiple Authorship (Only Japanese)

  • Coversion of K-Ar dates with modern constants: implications for recalculation of dates reported in Kawano and Ueda using constants reported by Steiger and Jaeger, 山形大学紀要(自然科学), 17(4) 35-52, 2013.02

    岩田尚能

    Single Author

  • Micrometeorite precursors: Clues from the mineralogy and petrology of their relict minerals, Geochimica et Cosmochimica Acta, 100 116-157, 2013.01

    Imae, N., Taylor, S., Iwata, N.

    Multiple Authorship (Including Foreigners)

  • Petrologic study of explosive pyroclastic eruption stage in Shirataka volcano, NE Japan: Synchronized eruption of multiple magma chambers, in) Al-Juboury A.I. (ed.) "Petrology", InTech, 57-72, 2012.01

    Ban, M., Hirotani, S., Ishizuka, O. and Iwata, N.

    Multiple Authorship (Only Japanese)

  • Sulfur isotopic composition of snow cover collected at Syowa station, Antarctica, SEPPYO, 73(5) 339-345, 2011.09

    Akata, N., Yanagasawa, F., Suzuki, T., Iwata, N., Hasegawa, H. and Ueda, A.

    Multiple Authorship (Only Japanese)

  • Structural evolution of the Bayanhongor region, west-central Mongolia, Journal of Asian Earth Sciences, 33(5-6) 337-352, 2008.08

    Soichi Osozawa, Gonchig Tsolmon, Uondon Majigsuren, Jargalan Sereenen, Shigeaki Niitsuma, Naoyoshi Iwata, Terry Pavlis and Bor-ming Jahn

    Multiple Authorship (Including Foreigners)

  • K-Ar biotite ages of the coarse-grained granites from the Inada area, Ibaraki Prefecture: Evaluation of suitability for a new K-Ar dating standard, Bulletin of Yamagta University (Natural Science), 16(2) 47-53, 2006.02

    Muto, T., Iwata, N. and Saito, K.

    Multiple Authorship (Only Japanese)

  • GPS observations on the Antarctic ice sheet conducted during JARE-41, Antarctic Record, 48(1) 7-18, 2004.03

    Doi, K., Imae, N., Iwata, N. and Seo, N.

    Multiple Authorship (Only Japanese)

  • Yamato nakhlites: Petrography and mineralogy, Antarctic Meteorite Research, 16 13-33, 2003.03

    Imae, N., Ikeda, Y. Shinoda, K., Kojima H. and Iwata, N.

    Multiple Authorship (Only Japanese)

  • Antarctic micrometeorite collection at a bare ice region near Syowa Station by JARE-41 in 2000, Antarctic Meteorite Research, 15 25-37, 2002.03

    Iwata, N. and Imae, N.

    Multiple Authorship (Only Japanese)

  • Search for Antarctic meteorites in the bare ice field around the Yamato Mountains by JARE-41, Antarctic Meteorite Research, 15 1-24, 2002.03

    Imae, N., Iwata, N. and Shimoda, Y.

    Multiple Authorship (Only Japanese)

  • 40Ar-39Ar and K-Ar mineral ages of the Tabito composite mass in the southern Abukuma Mountains, northeast Japan, Journal of Mineralogy, Petrology and Economic Geology, 95(1) 1-11, 2000.01

    Iwata, N., Tanaka, H. and Kato, Y.

    Multiple Authorship (Only Japanese)

  • On the relationships between the 40Ar-39Ar dating results and the conditions of basaltic samples, Geochemical Journal, 34 271-282, 2000.01

    Iwata, N. and Kaneoka, I.

    Multiple Authorship (Only Japanese)

  • 40Ar-39Ar dating: Investigation of some technical problems and its application to the Deccan Trap rocks and a unique meteorite from Antarctica, Sci. Rep. RITU. Ser. A., 45 47-51, 1997.01

    Kaneoka, I., Iwata, N. and Takigami, Y.

    Multiple Authorship (Only Japanese)

  • Period of volcanic activity of the Deccan Plateau inferred from K-Ar and 40Ar-39Ar ages and problems related to radiometric dating, Gondwana Geol. Mag., Spl. 2, 1996.01

    Kaneoka, I., Iwata, N., Nagao, K. and Deshmukh, S.S.

    Multiple Authorship (Including Foreigners)

  • 40Ar-39Ar dating method by the laser heating, The Resarch Bulletin of Kanto Gakuen University (Liberal Arts), 2 89-99, 1994.02

    Takigami, Y., Kaneoka, I. and Iwata, N.

    Multiple Authorship (Only Japanese)

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Review Papers

  • Report on the flood and landslide caused by heavy rainfall in the southern part of Yamagata Prefecture, August 2022, Research Center for Natural Environment and Disasters, Yamagata University, Heavy rainfall disaster in the southern part of Yamagata Prefecture, August 2022, 1-55, 2023.06

    Isao MOTOYAMA, Naoyoshi IWATA, Shin-ichi KAGASHIMA, Tomoo HASHIMOTO, Tsutomu MORIFUJI, Miki SHIBATA, Satoru KATAGIRI

  • Report on the heavy rainfall and flood damage in Iide Town, Yamagata Prefecture, August 2022, Research Center for Natural Environment and Disasters, Yamagata University, Heavy rainfall disaster in the southern part of Yamagata Prefecture, August 2022, 57-89, 2023.06

    Tomoo HASHIMOTO, Tsutomu MORIFUJI, Miki SHIBATA, Satoru KATAGIRI, Isao MOTOYAMA, Naoyoshi IWATA, Shin-ichi KAGASHIMA

Grant-in-Aid for Scientific Research

  • Grant-in-Aid for Scientific Research(C),2010.04 - 2013.03

  • Grant-in-Aid for Scientific Research(B),2010.04 - 2013.03

Presentations

  • The 128th Annual Meeting of the Geological Society of Japan, Domestic presentation, 2021.09, K-Ar dates of rocks from Nekoma Volcano, Fukushima Prefecture, Japan using mass fractionation correction procedure, Poster presentation

  • ISAES VII -12th International Symposium on Antarctic Earth Sciences, International presentation, 2015.07, The collection and studies of Antarctic micrometeorites from Japanese Antarctic Research Expedition, Oral presentation (general)

  • 33rd Symposium on Antarctic Meteorite, International presentation, 2010.06, Chondrules in unmelted micrometeorites and their common link to carbonaceous chondrites, Oral presentation (general)

  • 116th Annual Meeting of the Geological Society of Japan, Domestic presentation, 2009.09, K-Ar measurements on MZ94, a candidate of quaternary age reference sample, Oral presentation (general)