biface tool

biface tool

[′bī‚fās ′tül]
(design engineering)
A tool, as an ax, made from a coil flattened on both sides to form a V-shaped cutting edge.
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So far, the Northern Land Use crews have found a hammer stone, a biface tool that could have been either a knife or a projectile, and some other small fragments left behind by people years ago, he said, showing the bagged and tagged artifacts in the basement of the Denali Tok office.
1) The toolmaking quality of a specific raw material is based on the relationship of lithological attributes such as fracture type and grain size, as well as a qualitative determination of its suitability for use with certain techniques used to manufacture biface tools.