[S-CG68] Petrology, mineralogy and resource geology

[SCG68-P08] Genesis of magmas in the Quaternary Kirishima Volcano Group, Ryukyu Arc

*Kota Baba¹, Tomoyuki Shibata¹, Mahito Nakamura², Hiroaki Sato³, Takanori Nakano⁴, Katsuyuki Yamashita⁵, Masako Yoshikawa¹, Soma Yamanaka¹ (1. Graduate School of Advanced Science and Engineering, Hiroshima University, 2. Graduate School of Sciences, Kobe University (present address: Japan Research Institute, Ltd.), 3. Graduate School of Sciences, Kobe University, 4. Research Institute for Humanity and Nature, 5. Graduate School of Environmental, Life, Natural Science and Technology, Okayama University)

Keywords: Kirishima Volcano Group, Isotopic composition, Subduction zone, Crustal assimilation