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Eruptive Styles at the Teide Volcanic Complex
Departamento de Física-Geología, Universidad de Las Palmas de Gran Canaria, 35017 Las Palmas de Gran Canaria, Spain.
Estación Volcanológica de Canarias, IPNA-Consejo Superior de Investigaciones Científicas (CSIC), La Laguna, 38206, Tenerife, Spain.
Grupo de Investigación GEOVOL, Dpto. de Física, Universidad de Las Palmas de Gran Canaria, Spain .
Dpto. Geología, Museo Nacional de Ciencias Naturales, CSIC, Madrid, Spain.
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2013 (English)In: Teide Volcano: Geology and eruptions of a highly differentiated oceanic stratovolcano, Springer Berlin/Heidelberg, 2013, 213-231 p.Chapter in book (Other academic)
Abstract [en]

The wide variety of volcanic products composing the Teide VolcanicComplex (TVC) reflects an unusual assemblage of eruptive styles, with awide range of phenomena represented and only plinian and phreato-plinian styles truly lacking. This diversity is due to spatial and temporalvariations in magma composition (mafic magmas of the rift zones andfelsic magmas of the central edifice), variable magmatic volatile contentsand the interaction of magma with external water (snow, groundwater,etc.). Overall, strombolian eruptions are the most frequent eruptive styleat the TVC. Explosive eruptions of felsic material tend to be of lowvolume, for example, the largest explosive event during the Holocene, Montaña Blanca (ca. 2 ka), produced*0.2 km3DRE of phonoliticpumice during an eruptive sequence that reached explosivity of sub-plinian magnitude. Examples of phreatomagmatic activity (surge depos-its) have been described both on the northern flanks of Teide volcano aswell as from the summit area of Pico Viejo volcano. Until now moststudies on volcanic hazard assessment have focussed on ash fall and lavaflow hazards in the Canary Islands, but phreatomagmatic eruptions andtheir potential effects may have to be seriously considered as well.

Place, publisher, year, edition, pages
Springer Berlin/Heidelberg, 2013. 213-231 p.
, Active Volcanoes of the World, 1
National Category
Geosciences, Multidisciplinary
URN: urn:nbn:se:uu:diva-292897OAI: oai:DiVA.org:uu-292897DiVA: diva2:926935
Available from: 2016-05-10 Created: 2016-05-10 Last updated: 2016-05-12Bibliographically approved

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Troll, Valentin
Geosciences, Multidisciplinary

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