[S-EM22] Geomagnetism, paleomagnetism and rock magnetism

convener:Masahiko Sato(Department of Earth and Planetary Science, The University of Tokyo), Chie Kato(Faculty of Social and Cultural Studies, Kyushu University)

We are going to discuss the issues on the magnetic fields of the Earth and planets, paleomagnetism, rock-magnetism, and their applications. This session includes following topics: (1) observation and analysis of the magnetic fields of the Earth and planets, (2) paleomagnetic field variations obtained from natural and archaeological materials, (3) numerical simulations on the magnetic fields of the Earth and planets, (4) measurements and theories of magnetic properties of rocks, minerals, meteorites, and other materials, (5) climate changes and surface tectonics based on the paleomagnetic measurements of rocks and sediments, (6) observations of the magnetic anomalies and the crustal magnetization models of the Earth, planets, and satellites, and (7) developments of the measurement method and data analysis. We also encourage papers stimulating an interdisciplinary collaboration relating to establishment of the SEDI-Japan community. The presentation and discussion will be made in Japanese or English in this session.

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[SEM22-01] Nanolitic magnetic minerals in volcanic pyroclasts

★Invited Papers

*Mayumi Mujin¹, Michihiko Nakamura¹, Akira Miyake² (1.Division of Earth and Planetary Materials Science,Department of Earth Science,Tohoku University, 2.Department of Geology and Mineralogy, Graduate School of Science, Kyoto University)

[SEM22-02] Reexamining the Futatsuzuka lava flow at Fuji volcano, a paleomagnetic approach

*Akira Baba¹, Hidetoshi Shibuya² (1.Mount Fuji Research Institute, 2.Kumamoto University)

[SEM22-03] Paleointensity study on basaltic rocks from Baengnyeong Island, Korea

*Yuhji Yamamoto¹, Hyeon-Seon Ahn² (1.Center for Advanced Marine Core Research, Kochi University, 2.Korea Institute of Geoscience and Mineral Resources )

[SEM22-04] Paleo- and rock-magnetic study on single plagioclase grains separated from the Doshi gabbro in the Tanzawa plutonic complex

*Chie Kato¹, Masahiko Sato², Shinji Yamamoto³, Yujiro Tamura⁴, Yuhji Yamamoto⁵ (1.Earth-Life Science Institute, Tokyo Institute of Technology, 2.Department of Earth and Planetary Science, The University of Tokyo, 3.Graduate school of Environment and Information Sciences, Yokohama National University, 4.Graduate school of Environment and Information Sciences, Department of Natural Environment, Yokohama National University, 5.Center for Advanced Marine Core Research, Kochi University)

[SEM22-05] Evaluation of the magnetite exsolution abundance and valence state of iron in single plagioclase crystal separated from Doshi gabbro

*Yujiro Tamura¹, Masahiko Sato², Ryoichi Nakada³, Chie Kato⁴, Shinji Yamamoto⁵ (1.Yokohama National University Environment and Information Sciences Departmennt of Natural Environment, 2.Department of Earth and Planetary Science,The University of Tokyo, 3.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 4.Earth-Life Science Institute, Institute of Technology, 5.Graduate School of Environment and Sciences, Yokohama Natural University )