*Takeshi Imayama¹, Yoichiro Koh², Kazumasa Aoki³, Mototaka Saneyoshi⁴, Koshi Yagi⁵, Shogo Aoki⁴, Yoshihiro Sawada⁶, Chiaki Ikawa⁵, Tomoya Terada⁴, Shinobu Ishigaki⁴, Shin Toyoda³, Khishigjav Tsogtbaatar⁷, Buuvei Mainbayar⁷ (1.Research Institute of Natural Sciences, Okayama University of Science, 2.Graduate School of Environmental Science, Hokkaido University, 3.Faculty of Science, Okayama University of Science, 4.Faculty of Biosphere - Geosphere Science, Okayama University of Science, 5.Hiruzen Institute for Geology and Chronology, 6.Emeritus Professor of Shimane University, 7.Institute of Paleontology and Geology, Mongolian Academy of Sciences)

*Takeshi Imayama¹, Yoichiro Koh², Kazumasa Aoki³, Mototaka Saneyoshi⁴, Koshi Yagi⁵, Shogo Aoki⁴, Yoshihiro Sawada⁶, Chiaki Ikawa⁵, Tomoya Terada⁴, Shinobu Ishigaki⁴, Shin Toyoda³, Khishigjav Tsogtbaatar⁷, Buuvei Mainbayar⁷ (1.Research Institute of Natural Sciences, Okayama University of Science, 2.Graduate School of Environmental Science, Hokkaido University, 3.Faculty of Science, Okayama University of Science, 4.Faculty of Biosphere - Geosphere Science, Okayama University of Science, 5.Hiruzen Institute for Geology and Chronology, 6.Emeritus Professor of Shimane University, 7.Institute of Paleontology and Geology, Mongolian Academy of Sciences)

*Hikaru Sawada¹, Yukio Isozaki¹, Shogo Aoki³, Shuhei Sakata², Ryo Hasegawa¹, Yasuo Nakamura¹ (1.Department of General Systems Studies, the University of Tokyo, 2.Department of Chemistry, Gakushuin Universtiy, 3.Department of Applied Science, Okayama University of Science)

*Hikaru Sawada¹, Yukio Isozaki¹, Shogo Aoki³, Shuhei Sakata², Ryo Hasegawa¹, Yasuo Nakamura¹ (1.Department of General Systems Studies, the University of Tokyo, 2.Department of Chemistry, Gakushuin Universtiy, 3.Department of Applied Science, Okayama University of Science)

*Shogo Aoki¹, Kazumasa Aoki², Tatsuki Tsujimori³, Yuta Tsuchiya¹, Daichi Kato² (1.Department of Biosphere-Geosphere Science, Okayama University of Science, 2.Department of Applied Science, Okayama University of Science, 3.Center for Northeast Asian Studies, Tohoku University)

*Morita Isamu¹, Tatsuki Tsujimori¹, Nelson Boniface², Shogo Aoki³, Kazumasa Aoki³ (1.Tohoku University, 2.University of Dar es Salaam, 3.Okayama University of Science)

*Shota Matsunaga ¹, Tatsuki Tsujimori¹, Atsushi MIYASHITA², Shogo Aoki³, Kazumasa Aoki³ (1.Tohoku University, 2.Seikei University, 3. Okayama University of Science)

*Tatsuki Tsujimori¹, Tomomi Hara¹, Yuzuki Shinji¹, Tomohiro Ishizaka¹, Hiroshi Miyajima², Jun-Ichi Kimura³, Shogo Aoki⁴, Kazumasa Aoki⁴ (1.Tohoku University, 2.Fossa Magna Museum, 3.JAMSTEC, 4.Okayama University of Science)

*Tan Furukawa¹, Tatsuki Tsujimori², Shogo Aoki³, Kazumasa Aoki⁴ (1.Tohoku University, Department of Earth Science, 2.Tohoku University, 3.Faculty of Biosphere-Geosphere Science, Okayama University of Science, 4.Department of Applied Science Okayama University of Science)

*Daichi Kato¹, Kazumasa Aoki¹, Yuta Tsuchiya², Shogo Aoki², Tsuyoshi Komiya³ (1.Department of Applied Science,Okayama University of Science, 2.Department of Biosphere-Geosphere Science,Okayama University of Science, 3.Department of Earth Science and Astronomy,University of Tokyo)

*Daichi Kato¹, Kazumasa Aoki¹, Yuta Tsuchiya², Shogo Aoki², Tsuyoshi Komiya³ (1.Department of Applied Science,Okayama University of Science, 2.Department of Biosphere-Geosphere Science,Okayama University of Science, 3.Department of Earth Science and Astronomy,University of Tokyo)