Affiliation: | Institute of Geosciences, Shizuoka University, Shizuoka, Japan;, Department of Geology, University of California, Davis, CA, USA;, Institute of Geoscience, University of Tsukuba, Tsukuba, Japan;, Deep Sea Research Department, Japan Marine Science and Technology Center, Yokosuka, Japan;and Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC, USA |