[M-IS30] Evolution of the Pelagic Realm

Tue. May 26, 2015 9:00 AM - 10:45 AM 304 (3F)

Convener:*Atsushi Matsuoka(Department of Geology, Faculty of Science, Niigata University), Toshiyuki Kurihara(Graduate School of Science and Technology, Niigata University), Yasuhiro Kato(Department of Systems Innovation, Graduate School of Engineering, University of Tokyo), Tetsuji Onoue(Earth and Environmental Sciences, Graduate School of Science and Technology, Kumamoto University), Katsunori Kimoto(Japan Agency for Marine-Earth Science and Technology), Tatsuo Nozaki(Institute for Research on Earth Evolution, Japan Agency for Marine-Earth Science and Technology), Hayato Ueda(Department of Geology, Niigata University), Kenta Kobayashi(Department of Geology, Faculty of Science, Niigata University), Takashi Hasegawa(Division of Global Environmental Science and Engineering, Graduate School of Natural Science and Technology, Kanazawa University), Chair:Hayato Ueda(Department of Geology, Niigata University), Satoshi Takahashi(Department of Earth and Planetary Science, University of Tokyo)

This session focuses on the evolution of ecosystem in the pelagic realms, including discussions on all aspects of pelagic biota covering biostratigraphy, biochronology, evolution, and biogeography, which are important to the reconstruction of the spatio-temporal framework in the pelagic realm.
Reconstructions of plate configuration through time are included in the scope of
this session. Biological, geochemical, sedimentological approaches to the
pelagic environments are welcomed.

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9:00 AM - 9:15 AM

[MIS30-01] Biostratigraphy and carbon isotope stratigraphy of the Olenekian-Anisian pelagic deep-sea section from Ogama, Ashio Belt

*Shun MUTO¹, Satoshi TAKAHASHI¹, Satoshi YAMAKITA², Noritoshi SUZUKI³, Yoshiaki AITA⁴, Megumi SAITO⁵, Nozomi SUZUKI⁵, Yoshimi KUBOTA⁵ (1.Department of Earth and Planetary Science, The University of Tokyo, 2.Department of Earth Sciences, University of Miyazaki, 3.Institute of Geology and Paleontology, Tohoku University, 4.Geology Lab, Faculty of Agriculture, Utsunomiya University, 5.Department of Geology and Paleontology, National Museum of Nature and Science)

9:15 AM - 9:30 AM

[MIS30-02] Non-sulphidic anoxic conditions in the end-Early Triassic deep sea

*Satoshi TAKAHASHI¹, Shin-ichi YAMASAKI², Kazuhiro OGAWA³, Kunio KAIHO³, Noriyoshi TSUCHIYA² (1.Department of Earth and Planetary Science, University of Tokyo, 2.Graduate School of Environmental Studies, Tohoku University,, 3.Graduate School of Science, Tohoku University)

9:30 AM - 9:45 AM

[MIS30-03] Stratigraphy and age of stratiform manganese deposits in the Chichibu Belt, Japan

*Yuki TOMIMATSU¹, Tetsuji ONOUE¹ (1.Earth and Environmental Sciences, Graduate School of Science and Technology, Kumamoto University)

9:45 AM - 10:00 AM

[MIS30-04] Chemostratigraphy of the Middle Triassic bedded chert sequence in the Mino Belt, central Japan

*Katsuhito SODA¹, Tetsuji ONOUE¹ (1.Kumamoto Univ.)

10:00 AM - 10:15 AM

[MIS30-05] Carbon isotope record from the Upper Triassic bedded chert in the Mino Belt, central Japan

*Tetsuji ONOUE¹, Minoru IKEHARA², Katsuhito SODA¹, Daisuke YAMASHITA¹ (1.Kumamoto University, 2.Center for Advanced Marine Core Research, Kochi University)

10:15 AM - 10:30 AM

[MIS30-06] Deep-ocean acidification and volcanism across the Triassic-Jurassic extinction event

Masayuki IKEDA¹, *S., Rie HORI², Ryoichi NAKADA³, Yuki OKADA² (1.Shizuoka Univerisity, 2.Ehime University, 3.Tokyo Institute of Technology)

10:30 AM - 10:45 AM

[MIS30-07] Carbon and oxygen isotopes record of Upper Triassic limestone in the Kardolina section, Slovakia

*Hideko SHIROZU¹, Josef Michalik², Soichiro KUSAKA³, Misa YAMASHITA⁴, Katsuyuki YAMASHITA⁴, Tetsuji ONOUE¹ (1.Graduate School of Science and Technology, Kumamoto University, 2.Slovak Academy of Sciences, 3.Research Institute for Humanity and Nature, 4.Graduate School of Natural Science and Technology, Okayama University)