Ductile deformation during carbonation of serpentinized peridotite

Carbonated serpentinites (listvenites) in the Samail Ophiolite, Oman, record mineralization of 1–2 Gt of CO, but the mechanisms providing permeability for continued reactive fluid flow are unclear. Based on samples of the Oman Drilling Project, here we show that listvenites with a penetrative foliat...

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Detalles Bibliográficos
Autores: Menzel, Manuel D., Urai, Janos L., Ukar, Estibalitz, Hirth, Greg, Schwedt, Alexander, Kovács, András, Kibkalo, Lidia, Kelemen, Peter B.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2022
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/356156
Acceso en línea:http://hdl.handle.net/10261/356156
Access Level:acceso abierto
Palabra clave:Oman
Carbon
Carbon dioxide
Carbonic acid
Feedback mechanism
Fluid flow
Magnesite
Mineralization
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spelling Ductile deformation during carbonation of serpentinized peridotiteMenzel, Manuel D.Urai, Janos L.Ukar, EstibalitzHirth, GregSchwedt, AlexanderKovács, AndrásKibkalo, LidiaKelemen, Peter B.OmanCarbonCarbon dioxideCarbonic acidFeedback mechanismFluid flowMagnesiteMineralizationCarbonated serpentinites (listvenites) in the Samail Ophiolite, Oman, record mineralization of 1–2 Gt of CO, but the mechanisms providing permeability for continued reactive fluid flow are unclear. Based on samples of the Oman Drilling Project, here we show that listvenites with a penetrative foliation have abundant microstructures indicating that the carbonation reaction occurred during deformation. Folded magnesite veins mark the onset of carbonation, followed by deformation during carbonate growth. Undeformed magnesite and quartz overgrowths indicate that deformation stopped before the reaction was completed. We propose deformation by dilatant granular flow and dissolution-precipitation assisted the reaction, while deformation in turn was localized in the weak reacting mass. Lithostatic pore pressures promoted this process, creating dilatant porosity for CO transport and solid volume increase. This feedback mechanism may be common in serpentinite-bearing fault zones and the mantle wedge overlying subduction zones, allowing massive carbonation of mantle rocks.We thank Michael Kettermann and Yumiko Harigane for sampling onboard Chikyu. Werner Kraus and Jonatan Schmidt are thanked for thin section preparation and technical assistance, and we thank Wolf Achim Kahl for conducting the micro-CT measurements. We are grateful to the Oman Public Authority of Mining for support to conduct fieldwork and sample export. MDM and JLU acknowledge funding by the German Research Foundation (DFG grant UR 64/20-1). This research used samples and data provided by the Oman Drilling Project. The Oman Drilling Project (OmanDP) has been possible through co-mingled funds from the International Continental Scientific Drilling Project (ICDP), the Sloan Foundation—Deep Carbon Observatory (Grant 2014-3-01), the US National Science Foundation (NSF-EAR-1516300), NASA —Astrobiology Institute (NNA15BB02A), the German Research Foundation (DFG: KO 1723/21-1), the Japanese Society for the Promotion of Science (JSPS no:16H06347; and KAKENHI 16H02742), the European Research Council (Adv: no.669972), the Swiss National Science Foundation (SNF:20FI21_163073), the Japanese Marine Science and Technology Center (JAMSTEC), the International Ocean Discovery Program (IODP), and contributions from the Sultanate of Oman Ministry of Regional Municipalities and Water Resources, the Oman Public Authority of Mining, Sultan Qaboos University, CRNS-Univ. Montpellier II, Columbia University of New York, and the University of Southampton.Nature Publishing GroupNational Science Foundation (US)European Research CouncilJapan Society for the Promotion of ScienceConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2024202420222024info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/356156reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttp://dx.doi.org/10.1038/s41467-022-31049-1Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3561562026-05-22T06:33:51Z
dc.title.none.fl_str_mv Ductile deformation during carbonation of serpentinized peridotite
title Ductile deformation during carbonation of serpentinized peridotite
spellingShingle Ductile deformation during carbonation of serpentinized peridotite
Menzel, Manuel D.
Oman
Carbon
Carbon dioxide
Carbonic acid
Feedback mechanism
Fluid flow
Magnesite
Mineralization
title_short Ductile deformation during carbonation of serpentinized peridotite
title_full Ductile deformation during carbonation of serpentinized peridotite
title_fullStr Ductile deformation during carbonation of serpentinized peridotite
title_full_unstemmed Ductile deformation during carbonation of serpentinized peridotite
title_sort Ductile deformation during carbonation of serpentinized peridotite
dc.creator.none.fl_str_mv Menzel, Manuel D.
Urai, Janos L.
Ukar, Estibalitz
Hirth, Greg
Schwedt, Alexander
Kovács, András
Kibkalo, Lidia
Kelemen, Peter B.
author Menzel, Manuel D.
author_facet Menzel, Manuel D.
Urai, Janos L.
Ukar, Estibalitz
Hirth, Greg
Schwedt, Alexander
Kovács, András
Kibkalo, Lidia
Kelemen, Peter B.
author_role author
author2 Urai, Janos L.
Ukar, Estibalitz
Hirth, Greg
Schwedt, Alexander
Kovács, András
Kibkalo, Lidia
Kelemen, Peter B.
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv National Science Foundation (US)
European Research Council
Japan Society for the Promotion of Science
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Oman
Carbon
Carbon dioxide
Carbonic acid
Feedback mechanism
Fluid flow
Magnesite
Mineralization
topic Oman
Carbon
Carbon dioxide
Carbonic acid
Feedback mechanism
Fluid flow
Magnesite
Mineralization
description Carbonated serpentinites (listvenites) in the Samail Ophiolite, Oman, record mineralization of 1–2 Gt of CO, but the mechanisms providing permeability for continued reactive fluid flow are unclear. Based on samples of the Oman Drilling Project, here we show that listvenites with a penetrative foliation have abundant microstructures indicating that the carbonation reaction occurred during deformation. Folded magnesite veins mark the onset of carbonation, followed by deformation during carbonate growth. Undeformed magnesite and quartz overgrowths indicate that deformation stopped before the reaction was completed. We propose deformation by dilatant granular flow and dissolution-precipitation assisted the reaction, while deformation in turn was localized in the weak reacting mass. Lithostatic pore pressures promoted this process, creating dilatant porosity for CO transport and solid volume increase. This feedback mechanism may be common in serpentinite-bearing fault zones and the mantle wedge overlying subduction zones, allowing massive carbonation of mantle rocks.
publishDate 2022
dc.date.none.fl_str_mv 2022
2024
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/356156
url http://hdl.handle.net/10261/356156
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv http://dx.doi.org/10.1038/s41467-022-31049-1
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Nature Publishing Group
publisher.none.fl_str_mv Nature Publishing Group
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812455

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