... transformation of parental material and the neoformation of compositionally complex clay-mineral suites ( Furquim et al. 2008 ; Andrade et al. 2020; Dias et al. 2020 ; de Souza Oliveira et al. 2021). In the case of the Yecua Fm, the relative increment of smectite clays associated with carbonate sedimentation...

.... 2008 ). Those studies also indicate that many of the recharging magmas are compositionally very similar to the host trachyandesite. Sosa-Ceballos et al. (2014) suggest that Popocatépetl has intervals with more than 10 recharge events occurring within a decade and that most of those events...