Table 2. Experimental protocol variables and edge features of the stone tools.
Experimental variables | Tool measures (mm) | Edge features | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ref | Worked Material | Actions | Motion | α of work | Time | Hand | Exp | L | W | T | α edge | Edge shaping | Prof. Del. | Hor. Del. |
QTAC19 | Skin, subcutaneous tissues | Skinning | Long. Uni/Bid. | 75–90° | 40 min | R | 1 | 50 | 19 | 9 | 35° | ncfg. | inc | Cx |
QTAC20 | Skin, subcutaneous tissues | Skinning | Long. Uni. | 75–90° | 15 min | L | 2 | 50 | 26 | 7 | 30° | ncfg. | inc | Cx |
QTAC21 | Meat | Disarticuling | Uni. Long. | 75–90° | 45 min | R | 3 | 53 | 29 | 9 | 45° | ncfg. | inc | Cx |
SNC40 | Meat | Disarticuling and defleshing | Uni/bid. Long. | 75–90° | 120 min | R | 1 | 50 | 46 | 10 | 30° | ncfg. | str | Cx(sin) |
SNC41 | Skin / meat | Skinning, disariculing, defleshing | Uni/bid. Trans. | 75–90° | 35 min | R | 1 | 74 | 43 | 21 | 40° | ncfg. | inc | Cx |
SNC42 | Skin / meat | Skinning, disariculing, defleshing | Uni/bid. Trans. | 75–90° | 32 min | L | 2 | 57 | 40 | 14 | 40° | ncfg. | inc | cx |
SNC43 | Skin / meat | Skinning, disariculing, defleshing | Uni/bid. Trans. | 75–90° | 45 min | L | 2 | 36 | 21 | 5 | 35° | ncfg. | inc | cx |
Ref. (QTA for quartzite tools and SN for Neogene chert tools); worked material; actions; direction of motion (unidirectional-Uni-, bidirectional-bid-, longitudinal-Long-, transverse-Trans-); angle of work; time: angle edge; edge shaping (shaped-shp- and not sdhaped—nshp-); profile delineation (straight—str-, incurved-inc-, sinuous—sin-); horizontal delineation (convex-cx-, sinuous-sin-, uniangular-1a-).