Extended Data Fig. 6: Additional examples of lithics.
From: Evidence of human occupation in Mexico around the Last Glacial Maximum
a, Core. b, Flake with isolated platform. c, Flake with lipped platform. d–i, Blades and microlith blade segments. j, Circular scraper on trimmed flake. k, Possible preform. l, Point on plaquette. m, Bifacial point preform. n, o, s–a′, d′–g′, Transversal points (obtained by slightly modifying transversal flake blanks). p–r, b′, c′, Other points. h′, A geometric, point-like shape on calcite sheet. Most artefacts were discovered in SC-B. Specimens x–z, b′, g′, h′ are from SC-C. Scale bars, 1 cm.
