*Hisashi Aoki1, Koudai Kishino1, Yuichi S. Hayakawa2, Akira Maekado3 (1.Tokyo Gakugei University, 2.The University of Tokyo, 3.University of the Ryukyus)
convener:Chiaki T. Oguchi(Institute for Environmental Science and Technology, Graduate School of Science and Engineering, Saitama University), Celine Elise Thomachot-Schneider(GEGENAA (Groupe d etude des geomateriaux et environnements naturels, anthropiques et arch?ologiques), EA3795, University or Reims (France)), Patricia V?zquez(GEGENAA - Universit? Reims-Champagne-Ardenne), Hisashi Aoki(Tokyo Gakugei University)