Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/93905
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Título: | Caldera events in a rift depocentre: An example from the Jurassic Neuquén basin, Argentina |
Autor: | D'Elía, Leandro; Martí Molist, Joan CSIC ORCID | Fecha de publicación: | 2013 | Editor: | Geological Society of London | Citación: | Journal of the Geological Society 170: 571- 584 (2013) | Resumen: | We analyse the volcanic stratigraphy of the Lower Jurassic synrift sequence of the Sañicó depocentre, which is a sub-basin of one of the most important hydrocarbon basins in South America, the Neuquén rift basin. The Sañicó depocentre comprises a complex multicyclic volcano-sedimentary succession. The oldest part of the succession preserves a volcano-sedimentary sequence interpreted as the record of a stratovolcano. The middle part of the succession is characterized by the emplacement of two thick ignimbrites that completely filled the depocentre. Finally, the uppermost part of the succession records subordinate volcanism characterized by andesitic lavas associated with epiclastic sediments. The Sañicó depocentre shows a complex subsidence history that involves an interplay between tectonics and volcanism. During the early and late synrift phases, subsidence was relatively slow and permitted the accumulation of thick sequences of volcanic and sedimentary deposits throughout a long period of time. During the middle synrift phase, subsidence was very rapid and allowed the accumulation of a thick ignimbrite sequence in a very short time interval. In this study, this middle episode is interpreted as corresponding to a caldera-like event in which rapid subsidence occurred along the same normal faults that controlled tectonic subsidence during the previous and subsequent episodes. © 2013 The Geological Society of London. | Versión del editor: | http://dx.doi.org/10.1144/jgs2012-116 | URI: | http://hdl.handle.net/10261/93905 | DOI: | 10.1144/jgs2012-116 | Identificadores: | doi: 10.1144/jgs2012-116 issn: 0016-7649 |
Aparece en las colecciones: | (Geo3Bcn) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
accesoRestringido.pdf | 15,38 kB | Adobe PDF | Visualizar/Abrir |
CORE Recommender
SCOPUSTM
Citations
10
checked on 22-abr-2024
WEB OF SCIENCETM
Citations
9
checked on 26-feb-2024
Page view(s)
372
checked on 24-abr-2024
Download(s)
104
checked on 24-abr-2024
Google ScholarTM
Check
Altmetric
Altmetric
NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.