Trace elements’ scatterplots of the pumice clasts in TSF_T9A and TSF_T9B analyzed by LA-ICP-MS.

<p>a) Nb/Zr vs Th/Ta scatterplot of pumice clasts in relation to the fields occupied by the Roman, Tuscan and Campanian magmatic provinces and Aeolian Arc Islands’ volcanic products (compositional fields from [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0313917#pone.0313917.ref042" target="_blank">42</a>] and references therein); b) Nb/Y vs Zr/Y scatterplot of clasts’ samples in relation to the fields occupied by the Roman, Tuscan and Campanian magmatic provinces, and the Aeolian Arc Island’s products (compositional fields from [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0313917#pone.0313917.ref042" target="_blank">42</a>] and references therein).</p> <p>(DOCX)</p>