Tue. May 28, 2024 3:30 PM - 5:00 PM 201B (International Conference Hall, Makuhari Messe)

[J] Oral
| H (Human Geosciences )
| H-CG Complex & General

[H-CG23] Earth surface processes related to deposition, erosion and sediment transport

4:45 PM - 5:00 PM

[HCG23-11] Characteristics of biomarker compositions in paleosol layers in the sediment core from Lake Suwa, central Japan

*Ryosuke Fukuchi¹, Ken Sawada^1,2, Hiroyasu Asahi³, Nozomi Hatano⁴ (1.Graduate School of Science, Hokkaido University, 2.Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University, 3.Shimokita Geopark Promotion Council, 4.Natural Environment Division, Nagano Environmental Conservation Research Institute)

Tue. May 28, 2024 10:45 AM - 12:00 PM 202 (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-GL Geology

[S-GL19] Frontier research on chronostratigraphic unit boundaries

11:30 AM - 11:45 AM

[SGL19-04] Osmium isotopic records and abundances of platinum group elements of the Cretaceous-Paleogene boundary in the Nemuro Group

*Hayu Ota¹, Junichiro Kuroda¹, Reishi Takashima², Hiroyuki Hoshi³, Ken Sawada⁴, Masashi A. Ikeda⁴, Keiichi Hayashi⁵, Hiroshi Nishi⁶, Akira Ishikawa⁷ (1.Atmosphere and Ocean Research Institute, the University of Tokyo, 2. The Center for Academic Resources and Archives, Tohoku University Museum, 3.Department of Earth Sciences, Aichi University of Education, 4.Department of Earth and Planetary Sciences, Hokkaido University, 5.Research Institute of Energy, Environmental and Geology, Hokkaido Research Organization, 6.Dinosaurs Research Institute, Fukui Prefectural University, 7.Department of Earth and Planetary Sciences, Tokyo institute of Technology)

Thu. May 30, 2024 1:45 PM - 3:00 PM 301B (International Conference Hall, Makuhari Messe)

[E] Oral
| B (Biogeosciences )
| B-PT Paleontology

[B-PT02] Biomineralization and Geochemistry of Proxies

1:45 PM - 2:00 PM

[BPT02-01] Thermal maturation experiments of lichen materials: Origin and diagenetic alternation of aromatic furans in sedimentary rocks

*Masashi A. Ikeda¹, Kenta Asahina², Ken Sawada¹ (1.Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University, 2.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)

2:00 PM - 2:15 PM

[BPT02-02] Organic geochemical analysis of marine mammal bone fossils from the Oligocene sediments of Hokkaido, Japan

*Raman Umamaheswaran¹, Takuto Ando², Tatsuya Shinmura³, Ken Sawada¹ (1.Department of Earth and Planetary Sciences, Hokkaido University, Sapporo, Hokkaido, Japan, 2.Graduate School of International Resource Science, Akita University, Akita, Akita, Japan, 3.Ashoro Museum of Paleontology, Ashoro, Hokkaido, Japan)

Wed. May 29, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

[J] Poster
| B (Biogeosciences )
| B-CG Complex & General

[B-CG06] Decoding the history of Earth: From Hadean to the present

5:15 PM - 6:45 PM

[BCG06-P08] Paleoecological reconstruction by molecular fossil analysis of the Mesoproterozoic sedimentary rocks from northwestern Greenland

*Risa Shigi¹, Masashi A. Ikeda², Takuto Ando³, Ken Sawada² (1.Department of Natural History Sciences, Graduate School of Science, Hokkaido University, 2.Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University, 3.Department of Earth Resource Science, Akita University, Akita, Akita, Japan)

Wed. May 29, 2024 9:00 AM - 10:15 AM 201B (International Conference Hall, Makuhari Messe)

[E] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS03] Evolution and variability of the Asian Monsoon and Indo-Pacific climate during the Cenozoic Era

9:45 AM - 10:00 AM

[MIS03-04] Changes in primary productivity and terrestrial input of the Miocene Japan Sea recorded in the sediments of south-central Hokkaido, Japan

*Muhammad Adam Ismail¹, Ken Sawada¹ (1.Hokkaido University, Graduate School of Science, Department of Earth and Planetary Science)

Wed. May 29, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

[E] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS03] Evolution and variability of the Asian Monsoon and Indo-Pacific climate during the Cenozoic Era

5:15 PM - 6:45 PM

[MIS03-P07] Paleoclimate changes in the northern East Asia reconstructed by terrestrial plant biomarker analysis of the ocean drilling core from the northern Japan Sea over the last 700 kyr

*Ken Sawada¹, Asako Suzuki², Saki Yano², Tomohisa Irino³ (1.Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University, 2.Department of Natural History Sciences, Graduate School of Science, Hokkaido University, 3.Faculty of Environmental Earth Science, Hokkaido University)

Mon. May 27, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

[J] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS08] Geopark

5:15 PM - 6:45 PM

[MIS08-P01] Organic geochemical analysis and reconstruction of the depositional environment of Oma Formation in Oma-zaki area, Shimokita Geopark.

*Hiroyasu Asahi¹, Kotaro Hoshi², Ken Sawada², Jun Otahara¹, Kenichi Nakamura¹, Kenichi Miyakita¹, Kota Osanai¹, Kenta Kabuto¹, Momoko Higashide¹ (1.Shimokita Geopark Promotion Council, 2.Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University, )

Wed. May 29, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

[J] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS12] Paleoclimatology and paleoceanography

5:15 PM - 6:45 PM

[MIS12-P28] Reconstruction of paleoenvironmental changes by biomarker analysis of deep-sea drilling cores from the Bay of Bengal during the Pliocene to Pleistocene

*Yusuke kodama¹, Muhammad Adam Ismail¹, Takuto Ando², Ken Sawada³ (1.Department of Natural History Sciences, Graduate school of Science, Hokkaido University, 2.Department of Earth Resource Science, Akita University, Akita, Japan, 3.Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University)

Ken Sawada

Speaker, Author, Co-Author