Abstract

Excavations carried out in Tomb IX of the hypogeic necropolis of Sa Figu, near the village of Ittiri (Sassari, Italy), supplied burnt human bone remains and pottery unambiguously referred to the Early Bronze Age (characterised by the local culture of Bonnannaro). Besides the anthropological study, we have investigated and evaluated the possibility of a funerary cremation practice in Sardinian pre-history, a subject that has previously not been considered from a scientific point of view. Making use of a calibration procedure based on X-ray diffraction (XRD) line-broadening analysis, related to the microstructural properties, it was possible to estimate the combustion temperature to which the fragmented bones were subjected. It was found that the studied bones reached temperatures varying from 400°C up to a maximum of 850°C. This spread of values suggested inhomogeneous combustion of the bones, which seems compatible with funerary cremation practices.

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