T7[Topic] From magma source and magma plumbing system to volcano formation and hydrothermal alteration

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[T7-P-9] Petrogenesis and formation processes of the Koyama gabbroic body in Susa area, Southwest Japan

*Tsubasa SHIMADA¹, Keisuke ESHIMA¹ (1. Yamaguchi University Graduate School of Science and Technology for Innovation)

Keywords:

Miocene igneous activity,Japan Sea opening,Mafic magma,Fractionation and accumulation,Magma processes