TY - JOUR AU - Gutiérrez Alonso, Gabriel AU - Gutiérrez Marco, Juan Carlos AU - Fernández Suárez, Javier AU - Bernárdez, E. AU - Corfu, F. AU - López Carmona, Alicia PY - 2019 UR - http://hdl.handle.net/10366/141149 AB - [EN]Zircon and monazite ID-TIMS U-Pb dating of four Lower Ordovician altered ash-fall tuff beds (K-Bentonites) in NW Iberia provided coetaneous ages of 477.5±1, 477±1.3 Ma, 477.2±1.1 Ma and 477.3±1 Ma, with a pooled concordia age of... LA - eng KW - Geología estratigráfica KW - Mineralogía KW - Petrología TI - An extensive K-bentonite as an indicator of a super-eruption in northern Iberia 477 My ago DO - 10.1088/1755-1315/319/1/012007 T2 - IOP Conference Series: Earth and Environmental Science VL - 319 M2 - 012007 ER -