Figure 1

(A) Geological map of the Campiglia Marittima area showing the location of the investigated samples modified after Vezzoni et al.28. (B) Close up of the southern zone of the investigated area. The dashed line separating Group-A from Group-B rhyolites (San Vincenzo Rhyolite) is from Pinarelli et al.46. (Figure generated by Canvas x draw v. 7.0.2).