21. They are partly welded and contain fiamme and lithic fragments. 22. 47 lithic artefacts were discovered in the layer containing the hominin fossils. 23. Sickle blades also appear for the first time in the Natufian lithic industry. 24. In the area at least ten cubic kilometers of lithic debris are contained. 25. Scrapers are one of the most varied lithic tools found at archaeological sites. 26. Lithostratigraphic units are only defined by lithic characteristics, and not by age. 27. Quina Mousterian lithic assemblages are usually found in caves. 28. The hypothesis is based on similarities between European Solutrean and Clovis lithic technologies. 29. The lithics at Sitio do Meio are better preserved. 30. There is no another lithic evidence on the period.
