Burins avec modification tertiaire du biseau, burins-pointe et burins du Raysse à l'Abri Pataud, Les Eyzies (Dordogne)

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Abstract
— In addition to the Noailles technique, employed for the production of narrow burin cutting edges, the Level 4 (Perigordian Vc, or Noaillian) artificers at the Abri Pataud were accustomed to reduce the width of the burin cutting edge by modifying it subsequent to the removal of the burin spall. In its simplest expression, such modification takes the form of a series of small removals struck from the burin spall scar onto the dorsal surface of the piece. This thinning of the burin edge is termed tertiary modification, because it is subsequent to the two major processes of burin manufacture, defined by Movius, David, et al., 1968 p. 20. In addition to having been employed to reduce the thickness of the cutting edge, this technique was used to create two specialized and more complex forms which are called Burm-Points and Raysse Burins, each of which is defined in this paper.

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