Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/43167
Título: Geochronological constraints on the evolution of El Hierro (Canary Islands)
Autores/as: Becerril, Laura
Ubide, Teresa
Sudo, Masafumi
Martí, Joan
Galindo, Inés
Galé, Carlos
Morales, Jose María
Yepes, Jorge 
Lago, Marceliano
Clasificación UNESCO: 250607 Geomorfología
250621 Vulcanología
Palabras clave: Eruptive recurrence
El Hierro
Canary Islands
Fecha de publicación: 2016
Editor/a: 1464-343X
Publicación seriada: Journal of African Earth Sciences 
Resumen: New age data have been obtained to time constrain the recent Quaternary volcanism of El Hierro (Canary Islands) and to estimate its recurrence rate. We have carried out 40Ar/39Ar geochronology on samples spanning the entire volcanostratigraphic sequence of the island and 14C geochronology on the most recent eruption on the northeast rift of the island: 2280 ± 30 yr BP. We combine the new absolute data with a revision of published ages onshore, some of which were identified through geomorphological criteria (relative data). We present a revised and updated chronology of volcanism for the last 33 ka that we use to estimate the maximum eruptive recurrence of the island. The number of events per year determined is 9.7 × 10−4 for the emerged part of the island, which means that, as a minimum, one eruption has occurred approximately every 1000 years. This highlights the need of more geochronological data to better constrain the eruptive recurrence of El Hierro.
URI: http://hdl.handle.net/10553/43167
ISSN: 1464-343X
DOI: 10.1016/j.jafrearsci.2015.10.012
Fuente: Journal of African Earth Sciences[ISSN 1464-343X],v. 113, p. 88-94
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