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El volcanismo holoceno de El Hierro, Islas Canarias

Authors: Aulinas, M.; Cabrera, M. C.; Criado Hernández, Constantino; Fernandez-Turiel, J. L.; Pérez-Torrado, Francisco J.; Rodriguez-Gonzalez, A.;

El volcanismo holoceno de El Hierro, Islas Canarias

Abstract

El volcanismo subaéreo de edad holocena en El Hierro genera campos de volcanes monogenéticos vinculados a los tres sistemas de dorsales o rifts presentes en la isla. Sus mecanismos eruptivos son típicamente estrombolianos, aunque también hay eventos freatoestrombolianos. Las erupciones más recientes con frecuencia forman campos de lava en las plataformas costeras, que se consideran posteriores al último máximo glacial (aprox. 20 ka AP). Las plataformas costeras más desarrolladas se encuentran al final de las dorsales y en el interior de la depresión de El Golfo. Este criterio geomorfológico muestra que más de treinta erupciones subaéreas han tenido lugar en El Hierro desde hace aprox. 20 ka AP. Además, hay muchos edificios volcánicos aparentemente recientes lejos de la costa. La investigación del volcanismo más reciente de la isla, los últimos 11.700 años del Holoceno, abarca un período suficientemente largo y cercano a la actualidad. Por lo tanto, este período es el mejor para modelar los procesos eruptivos que nos permitirán evaluar los escenarios futuros de la dinámica eruptiva en El Hierro. El proyecto LAJIAL combina metodologías de cartografía geológica, geomorfología, SIG, cronoestratigrafía, paleomagnetismo, petrología y geoquímica para resolver la tasa de recurrencia eruptiva durante el Holoceno en El Hierro, así como para precisar el modelo de dorsales en las islas volcánicas oceánicas de intraplaca. Esta investigación se financia con el proyecto LAJIAL (PGC2018-101027-B-I00, MCIU/AEI/FEDER, UE) y se realiza en el marco de los Grupos Consolidados de Investigación GEOVOL (Gobierno de Canarias, ULPGC) y GEOPAM (Generalitat de Catalunya, 2017 SGR 1494).

Esta investigación se financia con el proyecto LAJIAL (ref. PGC2018-101027-B-I00, MCIU/AEI/FEDER/UE) y se realiza en el marco de los grupos consolidados de Investigación GEOVOL (Gobierno de Canarias, ULPGC) y GEOPAM (Generalitat de Catalunya, 2017 SGR 1494)

X Congreso Geológico de España, 5-7 Julio 2021, Vitoria - Gasteiz

Country
Spain
Related Organizations
Keywords

Geomorfología, Volcanismo, El Hierro, LAJIAL, SIG, Islas volcánicas oceánicas intraplaca.

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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