Rupture of wet mantle wedge by self-promoting carbonation

Atsushi Okamoto; Ryosuke Oyanagi; Kazuki Yoshida; Masaoki Uno; Hiroyuki Shimizu; Madhusoodhan Satish-Kumar

doi:10.1038/s43247-021-00224-5

Communications Earth & Environment (Aug 2021)

Rupture of wet mantle wedge by self-promoting carbonation

Atsushi Okamoto,
Ryosuke Oyanagi,
Kazuki Yoshida,
Masaoki Uno,
Hiroyuki Shimizu,
Madhusoodhan Satish-Kumar

Affiliations

Atsushi Okamoto: Graduate School of Environmental Studies, Tohoku University
Ryosuke Oyanagi: Research Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
Kazuki Yoshida: Graduate School of Environmental Studies, Tohoku University
Masaoki Uno: Graduate School of Environmental Studies, Tohoku University
Hiroyuki Shimizu: Geotechnical Analysis Group, Advanced Analysis Department, Civil Engineering Design Division, Kajima Corporation
Madhusoodhan Satish-Kumar: Faculty of Science, Department of Geology, Niigata University

DOI: https://doi.org/10.1038/s43247-021-00224-5
Journal volume & issue: Vol. 2, no. 1
pp. 1 – 10

Abstract

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Carbonation of a serpentinized mantle wedge is associated with volume reduction and fluid over-pressurization which drives brittle fracture and seismicity, according to chemical analyses of carbonate veins from the Sanbagawa belt Japan and thermodynamic calculations.

Published in Communications Earth & Environment

ISSN: 2662-4435 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science: Geology; Geography. Anthropology. Recreation: Environmental sciences
Website: https://www.nature.com/commsenv/

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