Shallow Depth, Substantial Change: Fluid-Metasomatism Causes Major Compositional Modifications of Subducted Volcanics (Mariana Forearc)

Mass transfer at shallow subduction levels and its ramifications for deeper processes remain incompletely constrained. New insights are provided by ocean island basalt (OIB) clasts from the Mariana forearc that experienced subduction to up to ∼25–30 km depth and up to blueschist-facies metamorphism;...

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Autori principali:	Elmar Albers, John W. Shervais, Christian T. Hansen, Yuji Ichiyama, Patricia Fryer
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	Frontiers Media S.A. 2022-04-01
Serie:	Frontiers in Earth Science
Soggetti:	fluid metasomatism seamount subduction Mariana subduction zone forearc devolatilization blueschist metamorphism geochemical cycling
Accesso online:	https://www.frontiersin.org/articles/10.3389/feart.2022.826312/full
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