Zircon megacrysts from basalts of the Venetian Volcanic Province (NE Italy): U-Pb ages, oxygen isotopes and REE data

Visonà, DarioCaironi, VincenzoCarraro, AnnaDallai, LuigiFioretti, Anna MariaFanning, Christopher2015-12-080024-4937http://hdl.handle.net/1885/32740Mafic alkaline lavas from the Venetian Volcanic Province (NE Italy) contain orange-brown zircon megacrysts up to 15 mm long, subhedral to subrounded and showing equant morphology, with width-to-length ratios of 1:2-1:2.5. U-Pb ages of zircon (51.1 ± 1.5Keywords: basalt; fractional crystallization; isotopic composition; lava; mafic rock; megacryst; oxygen isotope; rare earth element; uranium-lead dating; zircon; Eurasia; Europe; Italy; Southern Europe Basalts; Mantle; Oxygen isotopes; SHRIMP U-Pb dating and REE; Venetian Volcanic Province (NE Italy); Zircon megacrystsZircon megacrysts from basalts of the Venetian Volcanic Province (NE Italy): U-Pb ages, oxygen isotopes and REE data200710.1016/j.lithos.2006.06.0072015-12-08