Authors
Kazumi Ito
Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), Ibaraki, Japan
Toru Tamura
Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), Ibaraki, Japan
Sumiko Tsukamoto
Leibniz Institute for Applied Geophysics (LIAG), S3: Geochronology and Isotope Hydrology, Hannover, Germany