Fig. 3From: U–Pb geochronology of detrital zircons from a contact metamorphic Brixen Quartzphyllite (South-Tyrol, Italy): evidence for a complex pre-Variscan evolution of the Southalpine basementa, b BSE images of zircons representing the age group of 2,000 Ma. a′, b′ SE images of the same zircons showing the typical ablation lines after the measurements. Sample FF3Back to article page