Supplementary Material

S1 – Petrographical descriptions – Descriptions pétrographiques

S2 – Analytical techniques – Techniques analytiques

Table S2-1 – Summary of operating conditions for the LA-ICP-MS equipment for U-Pb zircon dating

Table S2-2 – U-Pb analyses of quality control on Plešovice zircon (Slama et al., 2008)

Fig. S2 – Results of repeated measurements on the Plešovice zircon standard

S3 – Zircon cathodoluminescence images for the studied samples with location of all analytical spots

Fig. S3-1 – Location of analytical spots in the 105 zircons analyzed in sample BRI0321

Fig. S3-2 – Location of analytical spots in the 30 zircons analyzed in sample BRI0058

Fig. S3-3 – Location of analytical spots in the 40 zircons analyzed in sample BRI0334

Fig. S3-4 – Location of analytical spots in the 105 zircons analyzed in sample BRI0057A

S4 – U-Pb analyses – Analyses U-Pb

Table S4-1 – Analytical results obtained from the zircons of sample BRI0321. The analyses typed in italic are not taken into account because of high contents of common lead or degrees of discordance higher than 4%

Table S4-2 – Analytical results obtained from the zircons of sample BRI0058. The analyses typed in italic are not taken into account because of high contents of common lead or high degrees of discordance

Table S4-3 – Analytical results obtained from the zircons of sample BRI0334. The analyses typed in italic are not taken into account because of high contents of common lead or high degrees of discordance

Table S4-4 – Analytical results obtained from the zircons of sample BRI0057A. The analyses typed in italic are not taken into account because of high contents of common lead or high degrees of discordance

S5 – Geochemical analyse of the BRI0334 granite

© D. Thiéblemont et al., Published by EDP Sciences 2023