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In archaeology, a hammerstone is a hard cobble [1] used to strike off lithic flakes from a lump of tool stone during the process of lithic reduction. [2] The hammerstone is a rather universal stone tool which appeared early in most regions of the world including Europe , India [ 3 ] and North America .
The earliest tools were simply split cobbles. It is not always clear which is the flake. Later tool-makers clearly identified and reworked flakes. Complaints that artifacts could not be distinguished from naturally fractured stone have helped spark careful studies of Oldowan techniques.
The technique with the least detail is conducted using a hammerstone, in which a hard rock (often sandstone) is struck against the raw material to chip off large flakes and begin to shape the stone. Using a hammerstone produces what is called a preform, which is the core of the tool in need of more detailed refinements.
In archaeology, ground stone is a category of stone tool formed by the grinding of a coarse-grained tool stone, either purposely or incidentally. Ground stone tools are usually made of basalt , rhyolite , granite , or other cryptocrystalline and igneous stones whose coarse structure makes them ideal for grinding other materials, including ...
Burin from the Upper Paleolithic (Gravettian) (ca. 29,000–22,000 BP). In archaeology and the field of lithic reduction, a burin / ˈ b juː r ɪ n / (from the French burin, meaning "cold chisel" or modern engraving burin) is a type of stone tool, a handheld lithic flake with a chisel-like edge which prehistoric humans used for carving or finishing wood or bone tools or weapons, and sometimes ...
An axe hafted with an adhesive. Hafting is a process by which an artifact, often made of bone, stone, or metal is attached to a haft (handle [1] or strap). This makes the artifact more useful by allowing it to be launched by a bow (), thrown by hand (), or used with more effective leverage ().
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