Figure 4
From: Animal residues found on tiny Lower Paleolithic tools reveal their use in butchery
Double ventral lateral item with related use-wear and residue results. (a) Double ventral lateral item Av14b 71.12-10 #81. (b) Feather/step and hinge scars running along the outer edge with a transversal orientation and a close-irregular distribution associated with a transversal motion on hard material. (c) Bone-like polish located along the ventral edge and associated with prolonged contact with bone (magnification: 500X). (d,e) Close-up of the bony tissues entrapped on the damaged edge of the dorsal surface (OLM and BSE-SEM image). (f) EDX spectrum of residues on the active dorsal edge. (g) micro-FTIR spectrum of bone and adipocere micro-residues (green) over the dorsal surface. Black spectrum shows the fundamental mode of pure silica. Red and blue dots show respectively the EDX and FTIR sampling points.
