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dc.contributor.authorBolós, Xavier-
dc.contributor.authorBarde-Cabusson Stéphanie-
dc.contributor.authorPedrazzi, Dario-
dc.contributor.authorMartí Molist, Joan-
dc.contributor.authorCasas, Albert-
dc.contributor.authorLovera, R.-
dc.contributor.authorNadal-Sala, Daniel-
dc.date.issued2014-
dc.identifier.citationInternational Journal of Earth Sciences : (2014)es_ES
dc.identifier.issn1437-3254-
dc.identifier.urihttp://hdl.handle.net/10261/99596-
dc.description.abstractWe applied self-potential (SP) and electrical resistivity tomography (ERT) to the exploration of the uppermost part of the substrate geology and shallow structure of La Garrotxa monogenetic volcanic field, part of the European Neogene–Quaternary volcanic province. The aim of the study was to improve knowledge of the shallowest part of the feeding system of these monogenetic volcanoes and of its relationship with the subsurface geology. This study complements previous geophysical studies carried out at a less detailed scale and aimed at identifying deeper structures, and together will constitute the basis to establish volcanic susceptibility in La Garrotxa. SP study complemented previous smaller-scale studies and targeted key areas where ERT could be conducted. The main new results include the generation of resistivity models identifying dykes and faults associated with several monogenetic cones. The combined results confirm that shallow tectonics controlling the distribution of the foci of eruptive activity in this volcanic zone mainly correspond to NNW–SSE and accessorily by NNE–SSW Neogene extensional fissures and faults and concretely show the associated magmatic intrusions. These structures coincide with the deeper ones identified in previous studies, and show that previous Alpine tectonic structures played no apparent role in controlling the loci of this volcanism. Moreover, the results obtained show that the changes in eruption dynamics occurring at different vents located at relatively short distances in this volcanic area are controlled by shallow stratigraphical, structural and hydrogeological differences underneath these monogenetic volcanoes.es_ES
dc.description.sponsorshipThis study was partially funded by the Beca Ciutat d’Olot en Ciències Naturals and the European Commission (FT7 Theme: ENV.2011.1.3.3-1; Grant 282759: “VUELCO”). S. Barde-Cabusson was funded by JAE-Doc Program (JAEDoc_09_01319).es_ES
dc.language.isoenges_ES
dc.publisherSpringeres_ES
dc.relationinfo:eu-repo/grantAgreement/EC/FP7/282759-
dc.rightsclosedAccesses_ES
dc.subjectMonogenetic volcanismes_ES
dc.subjectGarrotxa volcanic fieldes_ES
dc.subjectElectrical resistivity tomographyes_ES
dc.subjectSelf-potentiales_ES
dc.subjectSubsurface geologyes_ES
dc.subjectFeeding systemes_ES
dc.titleGeophysical exploration on the subsurface geology of La Garrotxa monogenetic volcanic field (NE Iberian Peninsula)es_ES
dc.typeartículoes_ES
dc.identifier.doi10.1007/s00531-014-1044-3-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1007/s00531-014-1044-3es_ES
dc.identifier.e-issn1437-3262-
dc.relation.csices_ES
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