“…One of them is defined by the incorporation of grog temper (i.e., crushed pottery) and was identified in the three mentioned valleys (Castellanos et al, 2019; Páez et al, 2005; Palamarczuk, 2002; Piñeiro, 1996; Sjödin, 1998). Another one corresponds to pastes made with abundant muscovite, which gives them a laminar appearance and is observed above all in the Calchaquí valley and its high ravines (Castellanos et al, 2019; Cremonte et al, 2010). Finally, the third tradition corresponds to the abundant use of pumice clasts (vesicular glass) in Santa María ceramics from Inca sites in the Yocavil and Tafí valleys, and it is considered to be a result of changes implemented by the Inca Empire in the pottery production of some regions (Marchegiani, 2012; Páez, 2010).…”