convener:Yusuke Miyajima(Geomicrobiology Research Group, Research Institute for Geo-Resources and Environment, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Akira Ijiri(Kobe University), Robert Jenkins(School of Geosciences and Civil Engineering, College of Science and Engineering, Kanazawa University), Hitoshi Tomaru(Department of Earth Sciences, Chiba University), Chairperson:Yusuke Miyajima(Geomicrobiology Research Group, Research Institute for Geo-Resources and Environment, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Robert Jenkins(School of Geosciences and Civil Engineering, College of Science and Engineering, Kanazawa University)