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New 3D Numerical simulations of the conditions for dyke intrusion in the Las Cañadas Caldera (Tenerife, Canary Islands) magmatic system

AuthorsAragó, Silvia ; Geyer, Adelina ; Martí Molist, Joan
KeywordsCanary Islands
Issue Date2014
AbstractLas Cañadas Caldera (Tenerife, Canary Islands) is a multi-cyclic composite depression formed by three caldera collapses: Ucanca (1.57 – 1.07 Ma), Guajara (0.85 – 0.37 Ma) and Diego Hernández (0.37 – 0.18 Ma). Different families of phonolitic dykes, including cone-sheets, radial and concentric dykes, are well exposed along Las Cañadas Caldera wall. Their diverse cross cutting relationships suggest that they formed during different intrusion episodes and from diverse magmatic sources. Using field work and numerical modelling, we investigate the 3D geometries of the different dyke families in order to correlate them with the corresponding magmatic sources.
Appears in Collections:(Geo3Bcn) Comunicaciones congresos
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