[1ch412-16] R5 [Regular Session]Regional geology and stratigraphy, chronostratigraphy

Sat. Sep 4, 2021 1:00 PM - 2:15 PM ch4 (ch4)

Chiar:Daisuke Sato, Tomonori Naya

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1:00 PM - 1:15 PM

[R5-O-1] Heavy mineral assemblage of river sands along the Brahmaputra River, eastern India

*Kohki Yoshida^1,4, Subhadeep Kumar², Lalit Kumar Rai³, Tomoyuki Hakiai¹ (1. Faculty of Science, Shinshu University, 2. Department of Geology, Presidency University, 3. Graduate School of Medicine, Science and Technology, Shinshu University, 4. Institute of Science, Shinshu University)

1:15 PM - 1:30 PM

[R5-O-2] Lithofacies, structure and accretionary age of the Otori Unit in the northeast part of the North Kitakami Belt

*Shun Muto¹, Tsuyoshi Ito¹ (1. Geological Survey of Japan, AIST)

1:30 PM - 1:45 PM

[R5-O-3] Possible origin of the stepped distribution of the basal plane of Yabu Formation beneath the Musashino Upland, central Tokyo area, Japan

*Tomonori Naya¹, Tsutomu Nakazawa¹, Susumu Nonogaki¹, Kentaro Sakata¹, Hiroomi Nakazato², Toshio Nakayama³ (1. Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology,, 2. Institute for Rural Engineering, NARO, 3. Civil Engineering Support and Training Center, Bureau of Construction, Tokyo Metropolitan Government )

1:45 PM - 2:00 PM

[R5-O-4] Geologic structure and newly discovered active faults, eastern area of Nagano Prefecture, central Japan

*Kazuki Watanabe¹, Tsutomu Otsuka² (1. PASCO CORPORATION, 2. Shinshu Univ. Disaster Mitigation and Prevention Center)

2:00 PM - 2:15 PM

[R5-O-5] Holocene sediments and enviromental changes in the Iriai lowland, Oga Peninsula

*Osamu Nishikawa¹, Chieko SHIMADA², Isao TAKASHIMA (1. Mineral Industry Museum, Akita University, 2. Department of Geology and Paleontology, National Museum of Science and Nature)

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