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http://hdl.handle.net/10261/214127
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Guzmán, Silvina | es_ES |
dc.contributor.author | Doronzo, Domenico Maria | es_ES |
dc.contributor.author | Martí Molist, Joan | es_ES |
dc.contributor.author | Seggiaro, R. | es_ES |
dc.date.accessioned | 2020-06-11T11:43:11Z | - |
dc.date.available | 2020-06-11T11:43:11Z | - |
dc.date.issued | 2020-05 | - |
dc.identifier.citation | Sedimentary Geology, 405: 105699 (2020) | es_ES |
dc.identifier.issn | 0037-0738 | - |
dc.identifier.uri | http://hdl.handle.net/10261/214127 | - |
dc.description.abstract | We present a detailed stratigraphy of the Coranzulí caldera-forming deposits. This caldera, located in the Altiplano-Puna Volcanic Complex (Central Andes), generated four ignimbrite deposits with similar field characteristics and facies that differ from each other in, above all, the nature of the lithic fragments they contain. Three different lithofacies (fine-grained cross-stratified facies, massive lithic breccia facies and massive ignimbrite facies) are found in all the ignimbrite deposits, which occasionally also contain a lenticular lithic-rich facies and/or a pumice-rich facies. These field characteristics and, in particular, local deposit thicknesses were used to develop a theoretical model of the dynamics and emplacement mode of the Coranzulí pyroclastic flows. Our results show that these ignimbrites were emplaced by dense pyroclastic density currents subjected to high accumulation rates and velocities, thereby indicating rapid en masse emplacement that was also influenced by local paleotopography as deduced from facies analysis. | es_ES |
dc.description.sponsorship | This work was supported by Agencia Nacional de Promoción Científica y Técnica (PICT-2012-419; PICT-2017-2798; PICT-2017-1928) and the Consejo Nacional de Investigaciones Científicas y Técnicas (PUE 2016-2021), Argentina. SG is grateful to Elena López, Albano Floridia and Emanuel Ramos for their assistance in the field and Valmir da Silva Souza for the helpful discussions. JM is supported by the Spanish Grant CGL2017-84901-C2-1. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Elsevier | es_ES |
dc.relation | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/CGL2017-84901-C2-1 | es_ES |
dc.rights | openAccess | es_ES |
dc.subject | Altiplano-Puna Volcanic complex | es_ES |
dc.subject | Pyroclastic density current | es_ES |
dc.subject | Crystal-rich ignimbrites | es_ES |
dc.subject | Puna | es_ES |
dc.subject | Central Andes | es_ES |
dc.subject | Coranzulí | es_ES |
dc.title | Characteristics and emplacement mechanisms of the Coranzulí ignimbrites (Central Andes) | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1016/j.sedgeo.2020.105699 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | https://doi.org/10.1016/j.sedgeo.2020.105699 | es_ES |
dc.rights.license | https://creativecommons.org/licenses/by-nc-nd/4.0/ | es_ES |
dc.contributor.funder | Agencia Nacional de Promoción Científica y Tecnológica (Argentina) | es_ES |
dc.contributor.funder | Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina) | es_ES |
dc.contributor.funder | Ministerio de Ciencia, Innovación y Universidades (España) | es_ES |
dc.relation.csic | Sí | es_ES |
oprm.item.hasRevision | no ko 0 false | * |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003074 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100002923 | es_ES |
dc.contributor.orcid | Martí Molist, Joan [0000-0003-3930-8603] | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
Aparece en las colecciones: | (Geo3Bcn) Artículos |
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Marti_Sedimentary_Geology_405_2020.pdf | 1,96 MB | Adobe PDF | Visualizar/Abrir |
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