“Weak” paleomagnetic field intensity in the Cretaceous Normal Superchron measured from the drilling core basalts of the Central Kerguelen plateau Elan Bank and implications of thermal condition at the core-mantle boundary

Yutaka Yoshimura

Presentation information

[J] Oral

S (Solid Earth Sciences ) » S-CG Complex & General

[S-CG70] Ocean Floor Geoscience

Fri. May 29, 2026 1:45 PM - 3:15 PM Convention Hall (CH-B) (International Conference Hall, Makuhari Messe)

Chairperson:Yoshimura Yutaka(Faculty of Social and Cultural Studies, Kyushu University), Matsuyama Kazuki(Department of Earth and Planetary Sciences, GSES, Nagoya University)

2:45 PM - 3:00 PM

[SCG70-20] “Weak” paleomagnetic field intensity in the Cretaceous Normal Superchron measured from the drilling core basalts of the Central Kerguelen plateau Elan Bank and implications of thermal condition at the core-mantle boundary

*Yutaka Yoshimura¹, Masakazu Fujii^2,3, Chie Kato^1,4, Osamu Ishizuka^5,6, Kenji Shimizu⁷, Ryosuke Oyanagi^8,6 (1. Faculty of Social and Cultural Studies, Kyushu University, 2. National Institute of Polar Research, 3. The Graduate University for Advanced Studies, SOKENDAI, 4. Advanced Asian Archaeological Research Center, Kyushu University, 5. Geological Survey of Japan, AIST, 6. JAMSTEC, 7. Kochi Institute of Core Sample Research, JAMSTEC, 8. Kokushikan University)

Keywords:Cretaceous Normal Superchron, Paleomagnetic field intensity (paleointensity), Kerguelen plateau, core-mantle boundary