[S-GL37] Frontier of basin formation tectonics on convergent plate margins

2:30 PM - 2:45 PM

[SGL37-02] Tephrochronology in the Cretaceous forearc basin, northern Japan

*Reishi TAKASHIMA¹, Sato KUWABARA², Hiroshi NISHI¹ (1.The Center for Academic Resources and Archives, Tohoku University, 2.Department of Eartth Science, Graduate School of Science, Tohoku University)

Sun. May 24, 2015 2:15 PM - 4:00 PM 202 (2F)

Oral
| Symbol B (Biogeosciences)
| B-PT Paleontology

[B-PT25] Biotic history and its relation to the Earth history

2:30 PM - 2:45 PM

[BPT25-02] What is main marine primary producer during the Cretaceous OAEs?: Evidences from marine kerogens.

*Takuto ANDO¹, Ken SAWADA¹, Reishi TAKASHIMA², Hiroshi NISHI² (1.Faculty of Science, Hokkaido University, 2.Tohoku University Museum, Tohoku University)

Thu. May 28, 2015 11:00 AM - 12:45 PM 301A (3F)

Oral
| Symbol M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS34] Paleoclimatology and paleoceanography

11:30 AM - 11:45 AM

[MIS34-07] Detailed age determination of Cretaceous shallow marine - non-marine strata

*Hiroshi NISHI¹, Reishi TAKASHIMA¹, Syota JO², Jun ARIMOTO², Toshiro YAMANAKA³, Yuji ORIHASHI⁴, Koshi YAMAMOTO⁵, Yoshikazu KOCHI⁶, Keita UMETSU⁷ (1.The Center for Academic Resources and Archives, Tohoku University, 2.Department of Earth Science, Graduate School of Science, Tohoku University, 3.Graduate School of Natural Science and Technology, Okayama University, 4.Earthquake Research Institute, The University of Tokyo, 5.Graduate School of Environmental Studies, Nagoya University., 6.Graduate School of Science and Engineering for Education, University of Toyama, 7.Japan Agency for Marine-Earth Science and Technology)