[1] Simon Fraser Univ, Dept Archaeol, Burnaby, BC, Canada
[2] Max Planck Inst Evolutionary Anthropol, Dept Human Evolut, Leipzig, Germany
[3] Aarhus Univ, Sch Culture & Soc, Dept Archaeol & Heritage Studies, Hojbjerg, Denmark
[4] Observ Midi Pyrenees, CNRS, Geosci Environm Toulouse, UMR 5563, Toulouse, France
[5] Ferrara Univ, Dept Humanities, Sect Prehist & Anthropol Sci, Ferrara, Italy
[6] Bologna Univ, Dept Cultural Heritage, Ravenna, Italy
[7] Natl Council Res, Inst Environm Geol & Geoengn, Milan, Italy