Estructura y evolución del Edificio Volcánico Mioceno de Jandía (Fuerteventura, Islas Canarias)
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Abstract
El Edificio Volcánico Mioceno de Jandía constituye un gran edificio central formado a través de diferentes ciclos de construcción
volcánica y destrucción en forma de grandes deslizamientos gravitacionales. En este sentido, al menos 3 grandes deslizamientos gravitacionales han afectado al Edificio Volcánico Mioceno de Jandía
a lo largo de su historia; el del Morro de Mungía, que destruyó el
flanco sur del Edificio de Jandía Superior Oriental; el de La Degollada
de Cofete que afectó, posteriormente, a todo el sector occidental
de este mismo edificio y, sobre cuyos depósitos de avalancha rocosa creció el Edificio de Jandía Superior Occidental; y, por último, el
deslizamiento, que, posteriormente afectó al flanco septentrional de
todo el Edificio Superior de Jandía, responsable de la formación del
actual arco de Cofete. Existe, además, la posibilidad de que el Edificio
Inferior de Jandía sufriera un temprano deslizamiento gravitacional
de su flanco Norte, dando lugar a una fuerte depresión abierta al
Norte sobre la que creció posteriormente el Edificio de Jandía Medio
y el Edificio de Jandía Superior Oriental
The Miocene volcanic Edifice of Jandía is a large central volcano formed through different cycles of volcanic construction and destruction by large gravitational landslides. In this sense, at least three large gravitational landslides affected the Miocene volcanic Edifice of Jandía: the Morro de Mungía landslide, which destroyed the southern flank of the Upper East Jandía Edifice; La Degollada de Cofete landslide, that subsequently affected the entire western sector of this same Edifice and on whose rocky avalanche deposits the Western Upper Jandía Edifice grew; and finally, a last landslide which afterwards affected the northern flank of the entire Jandía Edifice, giving rise to the formation of the current Cofete arch. It is also possible that the Lower Jandía Edifice underwent an early gravitational landslide of its northern flank, which resulted in the formation of a large depression open to the North, on top of which the Middle Jandía Edifice and the Upper East Jandía Edifice grew
The Miocene volcanic Edifice of Jandía is a large central volcano formed through different cycles of volcanic construction and destruction by large gravitational landslides. In this sense, at least three large gravitational landslides affected the Miocene volcanic Edifice of Jandía: the Morro de Mungía landslide, which destroyed the southern flank of the Upper East Jandía Edifice; La Degollada de Cofete landslide, that subsequently affected the entire western sector of this same Edifice and on whose rocky avalanche deposits the Western Upper Jandía Edifice grew; and finally, a last landslide which afterwards affected the northern flank of the entire Jandía Edifice, giving rise to the formation of the current Cofete arch. It is also possible that the Lower Jandía Edifice underwent an early gravitational landslide of its northern flank, which resulted in the formation of a large depression open to the North, on top of which the Middle Jandía Edifice and the Upper East Jandía Edifice grew







