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dc.contributor.authorViola, Giulio
dc.contributor.authorScheiber, Thomas
dc.contributor.authorFredin, Ola
dc.contributor.authorZwingmann, Horst
dc.contributor.authorMargreth, A
dc.contributor.authorKnies, Jochen
dc.identifier.citationNature Communications. 2016, 7 (13448), .nb_NO
dc.description.abstractBrittle deformation can saturate the Earth’s crust with faults and fractures in an apparently chaotic fashion. The details of brittle deformational histories and implications on, for example, seismotectonics and landscape, can thus be difficult to untangle. Fortunately, brittle faults archive subtle details of the stress and physical/chemical conditions at the time of initial strain localization and eventual subsequent slip(s). Hence, reading those archives offers the possibility to deconvolute protracted brittle deformation. Here we report K-Ar isotopic dating of synkinematic/authigenic illite coupled with structural analysis to illustrate an innovative approach to the high-resolution deconvolution of brittle faulting and fluid-driven alteration of a reactivated fault in western Norway. Permian extension preceded coaxial reactivation in the Jurassic and Early Cretaceous fluid-related alteration with pervasive clay authigenesis. This approach represents important progress towards time-constrained structural models, where illite characterization and K-Ar analysis are a fundamental tool to date faulting and alteration in crystalline rocks.nb_NO
dc.publisherNature Publishing Groupnb_NO
dc.rightsNavngivelse 4.0 Internasjonal*
dc.titleDeconvoluting complex structural histories archived in brittle fault zonesnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.source.journalNature Communicationsnb_NO
dc.relation.projectNorges forskningsråd: 223259nb_NO
dc.description.localcodeThis work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit
cristin.unitnameInstitutt for geologi og bergteknikk
cristin.unitnameGeografisk institutt

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