[1poster11-35] T2.From magma source and magma plumbing system to volcano formation and hydrothermal alteration

[T2-P-17] Formation processes of the Koyama gabbroic body in the Susa area, Yamaguchi Prefecture, Japan

*Tsubasa SHIMADA¹, Keisuke ESHIMA² (1. Yamaguchi University , 2. Graduate School of Science and Technology for Innovation)

Keywords:

Miocene igneous activity,Opening of Japan Sea,Mafic magma,Koyama gabbro,Intrusive relationships