New evidence of adhesive as hafting material on Middle and Upper Palaeolithic artefacts from Gura Cheii-Râşnov Cave (Romania)

► Analytical techniques (FTIR, EDXRF, GC-MS, ICP-AES) were treated in this study. ► Evaluate the provenance of black traces from two Palaeolithic tools from Romania. ► The shape of this black substance suggests that the organic traces are remnants of a hafting material. ► The black substance is highly weathered bitumen.