[E] Poster

M (Multidisciplinary and Interdisciplinary) » M-GI General Geosciences, Information Geosciences & Simulations

[M-GI32] Cretaceous Earth Dynamics and Climate in Asia: Insights from IGCP Project 679

Sun. May 24, 2026 5:15 PM - 7:00 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

The Cretaceous greenhouse world was characterized by extreme warmth, high CO2 levels, oceanic anoxic events, and significant ecosystem changes. Asia provides extensive sedimentary, fossil, and geochemical archives that record these phenomena across diverse settings. IGCP Project 679 (Cretaceous Earth Dynamics and Climate in Asia) aims to integrate stratigraphic, paleontological, geochemical, and modeling approaches to reconstruct climate variability, ocean circulation, and Earth system feedback in this interval. This JpGU-AGU session, organized as a project workshop, will present new findings from across Asia while promoting global collaboration. Topics include stratigraphic correlation, high-resolution geochemical proxies, records of oceanic anoxic events and mass extinctions, paleogeographic reconstructions, and terrestrial ecosystem responses. The session encourages participation from students, early-career researchers, and international collaborators. Discussion time will be provided to strengthen the links between IGCP 679 members and the wider scientific community, thereby enhancing the integration of Asian records into global Cretaceous climate research.

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5:15 PM - 7:00 PM

[MGI32-P01] Preservation and paleoecological implications of bird track-bearing deposits from the Cretaceous Seongpori Formation, Geoje Island, South Korea

*Hyun Joo Kim¹, Eunkyoung Jeong² (1. Major of Environmental Geosciences, Pukyong National University of Korea, 2. Dalseong Fossil Museum, South Korea)

5:15 PM - 7:00 PM

[MGI32-P02] What drove the diversity of Early Cretaceous ostracods along the northern margin of the North China Craton?

*Yaqiong Wang¹, Byung-Do Choi², Yuting Zhong³, Yanhong Pan⁴ (1. Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, 2. Daegu National Science Museum, 3. Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, 4. Nanjing University)

5:15 PM - 7:00 PM

[MGI32-P03] Depositional age and provnenace of the Creataceous Cheonsuman Basin, Korea inferred from detrital zircon geochronology

*Taejin Choi¹, Young Lim Kim¹, Hyun Joo Kim² (1. Korea National University of Education, 2. Pukyung National Uinveristy)

5:15 PM - 7:00 PM

[MGI32-P04] Aridification associated with intraplate deformation across the Jurassic–Cretaceous transition in the Junggar Basin, NW China

*Tenichi Cho¹, Tohru Ohta¹, Ryo Uchikado¹, Keita Arai¹, Shun Harigaya¹, Gang Li² (1. Waseda University, 2. Nanjing Institute of Geology and Palaeontology, Chinese Academy of Science)

5:15 PM - 7:00 PM

[MGI32-P05] Weathering intensity and climatic conditions in the Asian equatorial region during the Cretaceous: Insights from the geochemistry and mineralogy of sediments in Borneo (East Malaysia).

*Thi Nga Pham¹, Tohru Ohta² (1. Graduate School of Creative Science and Engineering, Waseda University, 2. Faculty of Education and Integrated Arts and Sciences, Waseda University)

5:15 PM - 7:00 PM

[MGI32-P06] Paleoclimate Analysis Based on Chemical Weathering Intensity in the Cretaceous Kanmon Group, Yamaguchi Prefecture, SW Japan

*Eisuke Miyamoto¹ (1. Waseda University)

5:15 PM - 7:00 PM

[MGI32-P07] Occurrence of compositionally mature sediments in East Asian active margin during the earliest Cretaceous

*Tohru Ohta¹ (1. Faculty of Education and Integrated Arts and Sciences, Waseda University)

Session information

[M-GI32] Cretaceous Earth Dynamics and Climate in Asia: Insights from IGCP Project 679

[MGI32-P01] Preservation and paleoecological implications of bird track-bearing deposits from the Cretaceous Seongpori Formation, Geoje Island, South Korea

[MGI32-P02] What drove the diversity of Early Cretaceous ostracods along the northern margin of the North China Craton?

[MGI32-P03] Depositional age and provnenace of the Creataceous Cheonsuman Basin, Korea inferred from detrital zircon geochronology

[MGI32-P04] Aridification associated with intraplate deformation across the Jurassic–Cretaceous transition in the Junggar Basin, NW China

[MGI32-P05] Weathering intensity and climatic conditions in the Asian equatorial region during the Cretaceous: Insights from the geochemistry and mineralogy of sediments in Borneo (East Malaysia).

[MGI32-P06] Paleoclimate Analysis Based on Chemical Weathering Intensity in the Cretaceous Kanmon Group, Yamaguchi Prefecture, SW Japan

[MGI32-P07] Occurrence of compositionally mature sediments in East Asian active margin during the earliest Cretaceous

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