Dictionary of Human Evolution and Biology

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Bone Fracture Pattern

A characteristic set of marks, consisting of pits and percussion marks, on a bone that has been deliberately broken by tool-using hominids. These marks result from the force of the hammer blow and the underlying anvil stone as the bone is crushed between them. Such marks are often repeated several times in a line along the shaft of a bone, and it is believed that they can be distinguished from the marks left when the bone is broken by natural forces.

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