Water in the Supra‐Subduction‐Zone Mantle of the Mariana‐Izu‐Bonin Forearc: Constraints From Peridotitic Orthopyroxene
Abstract Orthopyroxene was analyzed as a proxy for water supra‐subduction‐zone peridotite by polarized infrared radiation. Samples from Conical and Torishima seamounts, Mariana‐Izu‐Bonin forearc (ODP‐Leg 125), have very similar average H2O contents of 215 ppm (range: 122–363 ppm; Conical) and 191 pp...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Wiley
2021-04-01
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Series: | Geochemistry, Geophysics, Geosystems |
Subjects: | |
Online Access: | https://doi.org/10.1029/2020GC009586 |