Temperature- and frequency-dependent magnetic susceptibility on archaeological ceramics of the Tlatilca culture (Mexico City): A pilot study towards an archaeointensity approach

•A pilot study of rock magnetism experiments of temperature- and frequency-dependence on ceramics of the Tlatilca culture.•Reheating pastillage ceramics shows grain content decrement trends, and a correlation with frequency-dependent susceptibility.•Unreported low-temperature susceptibility transition (−123 to −134 °C) observed in ceramic materials.•Important findings in reheating different ceramic types to be considered in archaeointensity procedures.