*Yuki Nishino¹, Takeshi Hasegawa², Eiichi Sato³, Keiji Wada⁴, Shohei Shibata², Akihiro Yokota¹, Kiyoyuki Shigeno¹, Tomohiro Makinou⁵ (1.Meiji consultant Co., Ltd, 2.College of Science, Ibaraki Univ., 3.Hokkaido Univ. Edu. Asahikawa, 4.Geopark club of Asahikawa, 5.Sapporo Public Works Office)

*Kyohei Sano¹, Tetsuo Harada², Shinji Yamakawa², Eiichi Sato³, Keiji Wada³ (1.Graduate School of Regional Resource Management, University of Hyogo, 2.Laboratory of Advanced Science and Technology for Industry, University of Hyogo, 3.Earth Science Laboratory, Course of Subjects Education, Graduate School of Education, Hokkaido University of Education at Asahikawa)

Ryo Kataoka¹, *Eiichi Sato¹, Mitsuru Okuno², Toshio Nakamura³, Virginia Hatfield⁴ (1.Hokkaido University of Education at Asahikawa, 2.Osaka Metropolitan University, 3.Nagoya University, 4.Museum of the Aleutians)