In Lithic Reduction , a is a special type of Lithic Flake with a Chisel -like edge which Prehistoric humans may have used for Engraving or for carving Wood or Bone . Burins exhibit a feature called a "burin Spall ", in which toolmakers strike a small flake obliquely from the edge of the burin flake in order to form the graving edge. Burin usage is diagnostic of Upper Palaeolithic Culture s in Europe , but Archaeologist s have also identified it in North America n cultural assemblages, and in his book ''Early Man in China'' Prof. Dr. Jia Lanpo of Beijing University lists dihedral burins and burins for truncation among artifacts uncovered along the banks of the Liyigon river near Xujiayao.
In the ''Clavicula Salomonus,'' a 16th century Grimoire , a burin is one of many consecrated instruments.
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