Age of the N7/N8 (M4/M5) Planktonic Foraminiferal Zonal Boundary Determined from Magnetobiostratigraphy and Zircon Geochronology


Hiroyuki Hoshi1, Hikoma Oshida2, Hiroki Hayashi3, Hideki Iwano4, Tohru Danhara4, Yukito Kurihara5 and Yukio Yanagisawa6, (1)Aichi University of Education, Kariya, Aichi, Japan, (2)Aichi Pref Kaisho HS, Aichi, Japan, (3)Shimane University, Matsue, Japan, (4)Kyoto Fission-Track Co. Ltd., Kyoto, Japan, (5)Mie University, Mie, Japan, (6)AIST - National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan