Haruka Takagi,¹ Kazuyoshi Moriya,² Toyoho Ishimura,^3,* Atsushi Suzuki,³ Hodaka Kawahata,⁴ Hiromichi Hirano<sup>2

1</sup>1Graduate School of Creative Science and Engineering, Waseda University, 1-6-1 Nishiwaseda, Shinjuku
²2Department of Earth Sciences, School of Education, Waseda University, 1-6-1 Nishiwaseda, Shinjuku,
³3Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 1-1-1
⁴4 Atmosphere and Ocean Research Institute, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chib

^*Present address: Department of Chemistry and Material Engineering, National Institute of Technology, Ibaraki College, 866 Nakane, Hitachinaka, Ibaraki 312-8508, Japan