Breaking Up Is Hard to Do: Magmatism During Oceanic Arc Breakup, Subduction Reversal, and Cessation

Breaking Up Is Hard to Do: Magmatism During Oceanic Arc Breakup, Subduction Reversal, and Cessation

Abstract The formerly continuous Vitiaz Arc broke into its Vanuatu and Fijian portions during a reversal of subduction polarity in the Miocene. Basaltic volcanism in Fiji that accompanied the breakup ranged from shoshonitic to low‐K and boninitic with increasing distance from the broken edge of the...

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Bibliographic Details
Main Authors: James Gill, Erin Todd, Kaj Hoernle, Folkmar Hauff, Allison Ann Price, Matthew G. Jackson
Format: Article
Language:English
Published: Wiley 2022-12-01
Series:Geochemistry, Geophysics, Geosystems
Subjects:
Fiji
subduction reversal
arc magmatism
shoshonite
boninite
seamount chain
Online Access:https://doi.org/10.1029/2022GC010663

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