[S-MP25] Oceanic and Continental Subduction Processes

17:15 〜 19:15

[SMP25-P05] Young boninitic lavas from the northern Tonga fore-arc unrelated to subduction initiation

*Bora Myeong^1,2、Karsten M Haase¹、Marcel Regelous¹、Christoph Beier³、Daniel P Miggins⁴、Anthony A.P Koppers⁴ (1.GeoZentrum Nordbayern, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg、2.Pusan National University、3.Department of Geosciences and Geography, Research Programme of Geology and Geophysics (GeoHel)、4.40Ar/39Ar Geochronology Laboratory, College of Earth, Ocean and Atmospheric Sciences, Oregon State University)