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Fig. 5 | Swiss Journal of Geosciences

Fig. 5

From: 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 basement

Fig. 5

BSE and SE images of zircons representing the age group of 880 Ma. a BSE images of a detrital zircon with an old core (2,000 Ma) and a younger rim (840 Ma). b BSE image of a 840 Ma old zircon. a′, b′: SE images of the same zircons showing typical ablation lines after the measurements. Sample FF3

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