Hammerstone: The Simplest and Oldest Stone Tool
11/03/2018· A hammerstone (or hammer stone) is the archaeological term used for one of the oldest and simplest stone tools humans ever made: a rock used as a prehistoric hammer, to create percussion fractures on another rock. The end result is the creation of sharpedged stone flakes from the second rock. Those flakes can then be used as ad hoc tools, or reworked into stone tools, depending on the