Quartz and quartzite refits at Gran Dolina (Sierra de Atapuerca, Burgos): Connecting lithic artefacts in the Middle Pleistocene unit of TD10.1

These results, together with the presence of artefacts of every phase of the chaîne opératoire, point to developed knapping activities carried in the settlement and the areas where they took place. A new interdisciplinary study will identify the role played by intentionally moved pieces.