“…Over the last few years, examining ceramic artifacts through geochemical analysis has become an increasingly common approach (Ashley et al, 2015;Castanzo, 2014;De La Fuente et al, 2015;Falabella et al, 2013;Glowacki et al, 2015;Grave et al, 2014;Minc et al, 2014;Nunes et al, 2013;Ownby et al, 2014;Peterson, 2015;Rodríguez-Alegría et al, 2013;Sharratt et al, 2015;Stoner et al, 2015Stoner et al, , 2014. However, the increasing popularity of "sourcing" ceramic artifacts has not diminished some inherent concerns about the results, especially when compared to the more traditional analysis of obsidian (Eerkens et al, 2002;Neff, 2000).…”