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handle: 10261/117171
[ES] La erupción submarina del Hierro ocurrida en los meses de octubre-diciembre de 2011, emitió lavas de composición básica que emergieron en superficie en forma de pillows flotantes que presentaron una corteza basanítica de unos pocos milímetros o centímetros de espesor y en su interior una pómez de composición muy silícea (riolitastraquitas). Los datos texturales, geoquímicos y mineralógicos muestran que se trata de materiales provenientes de un magma único de naturaleza basanítica en el que las rocas pumíticas constituyen los primeros diferenciados magmáticos que son incluidos y arrastrados por sus propios fluidos.
[EN] The submarine eruption happened in october-december 2011 in El Hierro island emitted basic lavas forming floating pillows. These pillows are constituted by a border of a few millimeters or centimeters wide of basanitic material and a nucleus constituted by pumice materials of rhyolitic-trachytic composition. The textural, mineralogical and geochemical data indicate that the origin of these peculiar pillows is a basanitic magma and the pumice rocks represent the earlier magmatic differentiates of this magma carry to the surface by the fluids joint with the magma
Este trabajo fue financiado totalmente por el proyecto del Ministerio de Investigación e Innovación número CGL 2011-27826-C02-02
Peer reviewed
Basanite, Islas Canarias, Rhyolite, Pumice, Pómez, El Hierro, Riolita, Erupción 2011-2012, Canary Islands, Basanita, 2011-2012 Eruption
Basanite, Islas Canarias, Rhyolite, Pumice, Pómez, El Hierro, Riolita, Erupción 2011-2012, Canary Islands, Basanita, 2011-2012 Eruption
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