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The Rinconada phase: A regional tectono-metamorphic event of Silurian age in the pre-Andean basement of Argentina

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dc.contributor.authorCasquet Martín, César
dc.contributor.authorRamacciotti, Carlos
dc.contributor.authorLarrovere, Mariano Alexis
dc.contributor.authorVerdecchia, Sebastián
dc.contributor.authorMurra, Juan Alberto
dc.contributor.authorBaldo, Edgardo G.
dc.contributor.authorPankhurst, R.J.
dc.contributor.authorRapela, Carlos W.
dc.date.accessioned2023-06-16T14:16:56Z
dc.date.available2023-06-16T14:16:56Z
dc.date.issued2021-11
dc.descriptionCRUE-CSIC (Acuerdos Transformativos 2021)
dc.description.abstractA Silurian regional tectonometamorphic event has been widely recorded by different geochronological methods in the Sierras Pampeanas, NW Argentina and the Precordillera. It took place between ca. 445 and 420 Ma after the regional Hirnantian (late Ordovician) glaciogenic sedimentation. Three domains are recognized. 1) The eastern Sierras Pampeanas and the Puna mainly record focused westward ductile thrusting and heating. 2) In the westernmost Sierras Pampeanas (Maz, Espinal, and Umango) garnet-amphibolite facies metamorphism, penetrative foliation development and westward ductile thrusting (nappes) took place. 3) In the Precordillera, the Rinconada formation of Silurian age consisting of chaotic olistoliths of Ordovician and Cambrian age correlates with this event. The three domains correspond to the hinterland, the internal hot and thickened metamorphic core, and the foreland respectively of an orogenic belt. Remarkably no Cordilleran-type magmatism of this age has been recorded. The regional importance of this event was overlooked so far.
dc.description.departmentDepto. de Mineralogía y Petrología
dc.description.facultyFac. de Ciencias Geológicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Economía y Competitividad (MINECO)
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/68538
dc.identifier.doi10.1016/j.jsames.2021.103432
dc.identifier.issn0895-9811
dc.identifier.officialurlhttps://www.sciencedirect.com/science/article/pii/S0895981121002790?via%3Dihub
dc.identifier.urihttps://hdl.handle.net/20.500.14352/4510
dc.issue.number103432
dc.journal.titleJournal of South American earth sciences
dc.language.isoeng
dc.publisherElsevier
dc.relation.projectIDCGL 2016-76439-P
dc.relation.projectIDPUE 2016-CONICET-CICTERRA
dc.relation.projectIDCONICET PIP 11220150100901CO
dc.relation.projectIDFONCYT PICT 2017–0619
dc.relation.projectIDSECyT 2018–2020
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rights.accessRightsopen access
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.cdu551.25(82)
dc.subject.keywordThe Rinconada tectonic phase
dc.subject.keywordFamatinian orogeny
dc.subject.keywordGeochronology
dc.subject.keywordArgentina
dc.subject.ucmGeodinámica
dc.subject.ucmPetrología
dc.subject.unesco2507 Geofísica
dc.titleThe Rinconada phase: A regional tectono-metamorphic event of Silurian age in the pre-Andean basement of Argentina
dc.typejournal article
dc.volume.number111
dspace.entity.typePublication
relation.isAuthorOfPublicationa4fea134-2fb2-4157-9dd1-a3d6002ba005
relation.isAuthorOfPublication.latestForDiscoverya4fea134-2fb2-4157-9dd1-a3d6002ba005

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