TY - JOUR AU - Gutiérrez-Alonso, Gabriel AU - Gutiérrez Marco, Juan Carlos AU - Fernández Suárez, Javier AU - Bernárdez Rodríguez, Enrique AU - Corfu, F. AU - López Carmona, Alicia PY - 2019 DO - ttps://doi.org/10.1088/1755-1315/319/1/012007 SN - 1755-1307, ESSN: 1755-1315 UR - https://hdl.handle.net/20.500.14352/13675 T2 - IOP Conference Series: Earth and Environmental Science AB - 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 477.2±0.74 Ma. A... LA - eng M2 - 1 PB - IOP Publishing TI - An extensive K-bentonite as an indicator of a super-eruption in northern Iberia 477 My ago TY - journal article VL - 319 ER -