TY - CHAP AU - Gutiérrez Alonso, Gabriel AU - Fernández Suárez, Javier AU - Gutiérrez Marco, Juan Carlos AU - Corfu, Fernando AU - Murphy, J. Brendam AU - Suárez Barrios, María Mercedes A4 - Linnemann, Ulf A4 - Nance, R. Damian A4 - Kraft, Petr A4 - Zulauf, Gernold PY - 2007 DO - 10.1130/2007.2423(13) SN - 9780813724232 UR - https://hdl.handle.net/20.500.14352/101446 AB - Zircons from a >45-cm-thick K-bentonite (altered ash-fall tuff) bed within the upper Barrios Formation (Ordovician Armorican Quartzite facies), in the Cantabri-an zone of the Iberian Variscan belt were dated by isotope dilution-thermal ionization mass... LA - eng M2 - 287 PB - Geological Society of America KW - Iberian Peninsula KW - Ordovician KW - Armorican Quartzite facies KW - K-bentonite KW - zircon KW - U-Pb dating TI - U-Pb depositional age for the upper Barrios Formation (Armorican Quartzite facies) in the Cantabrian zone of Iberia: Implications for stratigraphic correlation and paleogeography TY - book part VL - 423 ER -