Carved in stone: Experimental criteria for identifying Paleolithic bas-relief production techniques and sculptors’ expertise
Fig 9
Distribution of Depth, WIS, and A in the superficial engraving analysis.
Set A: Engravings produced with a burin using multiple strokes, Set B: Engravings produced with a flake using multiple strokes, Set C: Engravings produced with a blade using multiple strokes, Set D: Pecking + Scraping + Polishing + Engravings produced with a blade using single stroke, Set E: Pecking + Scraping + Polishing + Engravings produced with a blade using multiple stroke, Set F: Pecking + Scraping + Engravings produced with a blade using single stroke + Polishing, Set G: Pecking + Scraping + Engravings produced with a blade using multiple strokes + Polishing.