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

[T7-P-38] Eruption site of the drifting pumice discovered in the southeren Izu arc in October 2023, inferred from the geochemical variation of rhyolites in the southern Izu intra-arf rift zone

*Satoru HARAGUCHI¹, Tatsu Kuwatani² (1. Hydrographic and Oceanographic Department, Japan Coast Guard, 2. JAMSTEC)

Keywords:

Southern Izu intra-arc rift,rhyolite,chemica variation,pumice raft,drift prediction