The semi-arid grasslands of the Free State Province of South Africa have produced the earliest evidence of the presence of Homo sapiens in the subcontinent, together with an extensive Pleistocene palaeoenvironmental record based on fossil assemblages. However, the known Middle Stone Age (MSA) archaeological sites in the Free State are limited to a few major localities that cannot be integrated into a unitary narrative, thus hindering our understanding of human cultural evolution in the central i...

Infrared spectroscopy is the study of the interaction between infrared radiation and matter. Its application to the characterization of archaeological sedimentary contexts has produced invaluable insights into the archaeological record and past human activities. This Element aims at providing a practical guide to infrared spectroscopy of archaeological sediments and their contents taken as a dynamic system, in which the different components observed today are the result of multiple formation pro...