[S-CG70] Ocean Floor Geoscience

[SCG70-P18] Beryllium isotope dating of deep-sea sediments at ODP Site 1179 in the western North Pacific Ocean

*Fumihito Koseto¹, Keishiro Azami², Takeyasu Yamagata³, Erika Tanaka⁴, Kazutaka Yasukawa¹, Kentaro Nakamura^1,2, Hiroyuki Matsuzaki³, Yasuhiro Kato^1,2 (1. School of engineering, The University of Tokyo, 2. ORCeNG, Chiba Institute of Technology, 3. Micro Analysis Laboratory, Tandem accelerator, The University of Tokyo, 4. MaCRI, Kochi Univ)

Keywords:deep-sea sediment, age determination, 10Be/9Be isotope dating, accelerator mass spectrometry, REE-rich mud