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Artifacts from Levels J1-J3 |
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| 1 – stemmed scraper (Level J1); 2 – Denticulate (Level J3); 3 - Single surface core made on a knob of flint (Level J3); 4 – Double convex scraper (Level J3); 5 – point or convergent scraper (Level J2); 6 - Levallois core (Level J2); 7 – Levallois core (Level J1). |
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In some ways these assemblages begin a trajectory that continues through the I layer which follows. Thus, from the lowermost J3 level to the uppermost I1 level we see a more or less continuous increase in the proportion of scrapers relative to denticulates, a general decrease in truncated-faceted pieces, increasingly higher blank-to-core and tool-to-flake ratios, and decreasing Levallois and Kombewa techniques. In Levels J1 to J3 single scrapers predominate. Consistent with geological evidence of cryoturbation, these levels, and Level J2 in particular, do show more evidence of edge damage.
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