Table 5.

Average technological, taphonomic and morphological comparisons between complete flakes in the intermediate coarse flint and upper main gravel (UMG), dated to MIS 10/11, and those from the sand layer and lower main gravel (LMG), dated to at least MIS 14.

	length (mm)	width (mm)	thickness (mm)	weight (g)	cortical coverage (%)	number of dorsal removalsa	step, hinge and overshot terminations (%)	rounding scale
UMG	22.5	19.6	5.7	3.8	37.1	2.1	25	1.8
LMG	23.3	20.7	5.7	4.0	36.0	2.2	28.4	1.8

^aof those displaying evidence of previous flake removals on their dorsal surface.