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Tectonism and volcanism enhanced by deglaciation events in southern Iceland

dc.rights.licenseopenen_US
hal.structure.identifierInstitut Universitaire Européen de la Mer [IUEM]
dc.contributor.authorVAN VLIET-LANOË, Brigitte
hal.structure.identifierInstitut des Sciences de la Terre de Paris [iSTeP]
dc.contributor.authorBERGERAT, Françoise
hal.structure.identifierLaboratoire de Géologie de Lyon - Terre, Planètes, Environnement [LGL-TPE]
dc.contributor.authorALLEMAND, Pascal
hal.structure.identifierBureau de Recherches Géologiques et Minières [BRGM]
dc.contributor.authorINNOCENTD, Christophe
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
hal.structure.identifierPaléocéanographie [PALEOCEAN]
dc.contributor.authorGUILLOU, Hervé
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorCAVAILHES, Thibault
hal.structure.identifierUniversity of Iceland [Reykjavik]
dc.contributor.authorGUÐMUNDSSON, Águst
hal.structure.identifierInstitut Universitaire Européen de la Mer [IUEM]
dc.contributor.authorCHAZOT, Gilles
hal.structure.identifierUniversity of Iceland [Reykjavik]
dc.contributor.authorSCHNEIDER, Jean-Luc
hal.structure.identifierBureau de Recherches Géologiques et Minières [BRGM]
dc.contributor.authorGRANDJEAN, Philippe
hal.structure.identifierInstitut Universitaire Européen de la Mer [IUEM]
dc.contributor.authorLIORZOU, Celine
hal.structure.identifierBureau de Recherches Géologiques et Minières [BRGM]
dc.contributor.authorPASSOT, Sophie
dc.date.accessioned2024-03-20T13:35:34Z
dc.date.available2024-03-20T13:35:34Z
dc.date.issued2020-03
dc.identifier.issn0033-5894en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/188882
dc.description.abstractEnSouthern Iceland is one of the main outlets of the Icelandic ice sheet and is subject to seismicity of both tectonic and volcanic origins along the South Iceland Seismic Zone (SISZ). A sedimentary complex spanning Marine Isotopic Stage 6 (MIS 6) to the present includes evidence of both activities. It includes a continuous sedimentary record since the Eemian interglacial period, controlled by a rapid deglaciation, followed by two marine glacioisostasy-forced transgressions, separated by a regression phase connected to an intra-MIS 5e glacial advance. This record has been constrained by tephrostratigraphy and dating. Analysis of this record has provided better insights into the interconnectedness of hydrology and volcanic and tectonic activity during deglaciations and glaciations. Low-intensity earthquakes recurrently affected the water-laid sedimentation during the early stages of unloading, accompanying rifting events, dyke injection, and fault reactivations. During full interglacial periods, earthquakes were significantly less frequent but of higher magnitude along the SISZ, due to stress accumulation, favored by low groundwater levels and more limited magma production. Occurrence of volcanism and seismicity in Iceland is commonly related to rifting events. Subglacial volcanic events seem moreover to have been related to stress unlocking related to limited or full unloading/deglaciation events. Major eruptions were mostly located at the melting margin of the ice sheet.
dc.language.isoENen_US
dc.subject.enGlacio-isostatic rebound
dc.subject.enTectonism
dc.subject.enSeismicity
dc.subject.enVolcanic activity
dc.subject.enSouth Iceland Seismic Zone
dc.title.enTectonism and volcanism enhanced by deglaciation events in southern Iceland
dc.typeArticle de revueen_US
dc.identifier.doi10.1017/qua.2019.68en_US
dc.subject.halPlanète et Univers [physics]/Océan, Atmosphèreen_US
dc.subject.halPlanète et Univers [physics]/Interfaces continentales, environnementen_US
bordeaux.journalQuaternary Researchen_US
bordeaux.page94-120en_US
bordeaux.volume94en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamGEOLSEDen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcehal
hal.identifierhal-02936125
hal.version1
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exportfalse
workflow.import.sourcehal
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Quaternary%20Research&rft.date=2020-03&rft.volume=94&rft.spage=94-120&rft.epage=94-120&rft.eissn=0033-5894&rft.issn=0033-5894&rft.au=VAN%20VLIET-LANO%C3%8B,%20Brigitte&BERGERAT,%20Fran%C3%A7oise&ALLEMAND,%20Pascal&INNOCENTD,%20Christophe&GUILLOU,%20Herv%C3%A9&rft.genre=article


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