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