Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/184604
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Título: | Evidence of episodic long-lived eruptions in the Yuma, Ginsburg, Jesús Baraza and Tasyo mud volcanoes, Gulf of Cádiz |
Autor: | Toyos, María H.; Medialdea Cela, Teresa; León Buendía, Ricardo F.; Somoza, Luis CSIC ORCID ; González Sanz, Francisco Javier CSIC ORCID ; Meléndez, Nieves CSIC ORCID | Palabras clave: | Late Miocene Authigenic carbonate Multibeam Bathymetric Data Multichannel Seismic Profile Chaotic Facies |
Fecha de publicación: | jun-2016 | Editor: | Springer Nature | Citación: | Geo Marine Letters 36(3): 197–214 (2016) | Resumen: | High-resolution single channel and multichannel seismic reflection profiles and multibeam bathymetric and backscatter data collected during several cruises over the period 1999 to 2007 have enabled characterising not only the seabed morphology but also the subsurface structural elements of the Yuma, Ginsburg, Jesús Baraza and Tasyo mud volcanoes (MVs) in the Gulf of Cádiz at 1,050–1,250 m water depth. These MVs vary strongly in morphology and size. The data reveal elongated cone-shaped edifices, rimmed depressions, and scarps interpreted as flank failures developed by collapse, faulting, compaction and gravitational processes. MV architecture is characterised by both extrusive and intrusive complexes, comprising stacked edifices (including seabed cones and up to four buried bicones) underlain by chaotic vertical zones and downward-tapering cones suggesting feeder systems. These intrusive structures represent the upper layer of the feeder system linking the fluid mud sources with the constructional edifices. The overall architecture is interpreted to be the result of successive events of mud extrusion and outbuilding alternating with periods of dormancy. Each mud extrusion phase is connected with the development of an edifice, represented by a seabed cone or a buried bicone. In all four MVs, the stacked edifices and the intrusive complexes penetrate Late Miocene–Quaternary units and are rooted in the Gulf of Cádiz wedge emplaced during the late Tortonian. Major phases of mud extrusion and outbuilding took place since the Late Pliocene, even though in the Yuma and Jesús Baraza MVs mud volcanism started in the Late Miocene shortly after the emplacement of the Gulf of Cádiz wedge. This study shows that fluid venting in the eastern sector of the Gulf of Cádiz promoted the outbuilding of large long-lived mud volcanoes active since the Late Miocene, and which have been reactivated repeatedly until recent times. | Versión del editor: | https://doi.org/10.1007/s00367-016-0440-z | URI: | http://hdl.handle.net/10261/184604 | DOI: | 10.1007/s00367-016-0440-z | ISSN: | 0276-0460 | E-ISSN: | 1432-1157 |
Aparece en las colecciones: | (IGEO) Artículos (IGME) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
accesoRestringido.pdf | 15,38 kB | Adobe PDF | Visualizar/Abrir |
CORE Recommender
SCOPUSTM
Citations
17
checked on 06-mar-2024
WEB OF SCIENCETM
Citations
15
checked on 22-feb-2024
Page view(s)
227
checked on 18-mar-2024
Download(s)
35
checked on 18-mar-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.