Tue. May 27, 2025 9:00 AM - 10:30 AM 201B (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-MP Mineralogy & Petrology

[S-MP28] Deformed rocks, Metamorphic rocks and Tectonics

9:00 AM - 9:15 AM

[SMP28-01] Ignimbrite flare-up in Late Cretaceous to Paleocene Japan driven by hot mantle inflow

*Ken Yamaoka¹, Tokiyuki Morohoshi², Daisuke Sato¹, Kazuto Mikuni^1,3 (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 2.Department of Earth & Planetary Science, Graduate School of Science, The University of Tokyo, 3.Department of Earth and Planetary Sciences, Institute of Science Tokyo)

Tue. May 27, 2025 3:30 PM - 5:00 PM 301A (International Conference Hall, Makuhari Messe)

[E] Oral
| S (Solid Earth Sciences )
| S-GC Geochemistry

[S-GC37] Volatiles in the Earth - from Surface to Deep Mantle

4:30 PM - 4:45 PM

[SGC37-15] MORB-like mantle noble gases beneath the oldest oceanic plate

★Invited Papers

*Tomoya Obase¹, Hirochika Sumino², Kazuto Mikuni^1,3, Shiki Machida⁴, Naoto Hirano⁵ (1.Institute of Science Tokyo, 2.The University of Tokyo, 3.AIST, 4.Chiba Institute of Technology, 5.Tohoku University)

Tue. May 27, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[J] Poster
| S (Solid Earth Sciences )
| S-GC Geochemistry

[S-GC38] Solid Earth Geochemistry, Cosmochemistry

5:15 PM - 7:15 PM

[SGC38-P01] Primary issues in major element characterization of ultramafic rocks: revisiting the matrix effect in XRF analysis and reference values of igneous reference materials

*Kazuto Mikuni^1,2, Akira Ishikawa^1,3, Ryu Sato¹ (1.Department of Earth and Planetary Sciences, Institute of Science Tokyo, 2.Geological Survey of Japan, AIST, 3.JAMSTEC)