Vertical collapse origin of Las Cañadas caldera (Tenerife, Canary Islands) revealed by 3-D magnetotelluric inversion

Perla Piña-Varas, J.J. Ledo, P. Queralt, A. Marcuello, F. Bellmunt, X. Ogaya, N. Pérez, J.A. Rodríguez-Losada

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    Abstract

    ©2015. American Geophysical Union. All Rights Reserved. Tenerife island geology is one of the most complexes of the Canaries archipelago. This complexity is evidenced by the existing controversy regarding the lateral or vertical collapse origin of the Las Cañadas caldera. The resistivity structure of the Las Cañadas caldera has been determined by the 3-D inversion of 188 broadband magnetotelluric data. The resistivity distribution obtained in the final model shows clear evidences of the presence of a vertical structure under the Teide, associated to the buried northern wall of the caldera. Additionally, the characteristics of the main resistivity structure, a ring-shaped low-resistivity body (
    Original languageEnglish
    Pages (from-to)1710-1716
    JournalGeophysical Research Letters
    Volume42
    Issue number6
    DOIs
    Publication statusPublished - 2015

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