Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/34275
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Título: | Shallow structure beneath the central volcanic complex of Tenerife from new gravity data: implications for its evolution and recent reactivation |
Autor: | Gottsmann, Joachim CSIC; Camacho, Antonio G. CSIC ORCID ; Martí Molist, Joan CSIC ORCID ; Wooller, Luke K.; Fernández Torres, José CSIC ORCID ; García García, Alicia CSIC ORCID; Rymer, Hazel | Palabras clave: | Gravity Structure Caldera Tenerife Volcanic ocean island |
Fecha de publicación: | jul-2008 | Editor: | Elsevier | Citación: | Physics of the Earth and Planetary Interiors, 168 (3/4) :212-230 (2008). | Resumen: | We present a new local Bouguer anomaly map of the Central Volcanic Complex (CVC) of Tenerife, Spain, constructed from the amalgamation of 323 new high precision gravity measurements with existing gravity data from 361 observations. The new anomaly map images the high-density core of the CVC and the pronounced gravity low centred in the Las Cañadas caldera in greater detail than previously available. Mathematical construction of a sub-surface model from the local anomaly data, employing a 3D inversion based on “growing” the sub-surface density distribution via the aggregation of cells, enables mapping of the shallow structure beneath the complex, giving unprecedented insights into the sub-surface architecture. We find the resultant density distribution in agreement with geological and other geophysical data. The modelled sub-surface structure supports a vertical collapse origin of the caldera, and maps the headwall of the ca. 180 ka Icod landslide, which appears to lie buried beneath the Pico Viejo–Pico Teide stratovolcanic complex. The results allow us to put into context the recorded ground deformation and gravity changes at the CVC during its reactivation in spring 2004 in relation to its dominant structural building blocks. For example, the areas undergoing the most significant changes at depth in recent years are underlain by low-density material and are aligned along long-standing structural entities, which have shaped this volcanic ocean island over the past few million years. | Versión del editor: | http://dx.doi.org/10.1016/j.pepi.2008.06.020 | URI: | http://hdl.handle.net/10261/34275 | DOI: | 10.1016/j.pepi.2008.06.020 | ISSN: | 1872-7395 | E-ISSN: | 0031-9201 |
Aparece en las colecciones: | (IAG) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
2008_22.pdf | 3,62 MB | Adobe PDF | Visualizar/Abrir |
CORE Recommender
SCOPUSTM
Citations
91
checked on 26-mar-2024
WEB OF SCIENCETM
Citations
83
checked on 26-feb-2024
Page view(s)
450
checked on 22-abr-2024
Download(s)
359
checked on 22-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.