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In archaeology, a tool stone is a type of stone that is used to manufacture stone tools, [1] or tools that use stone as raw material. [ 2 ] Generally speaking, tools that require a sharp edge are made using cryptocrystalline materials that fracture in an easily controlled conchoidal manner. [ 1 ]
In prehistoric archaeology, scrapers are unifacial tools thought to have been used for hideworking and woodworking. [1] Many lithic analysts maintain that the only true scrapers are defined on the base of use-wear, and usually are those that were worked on the distal ends of blades—i.e., "end scrapers" (French: grattoir).
In archaeology, a cleaver is a type of biface stone tool of the Lower Palaeolithic. Cleavers resemble hand axes in that they are large and oblong or U-shaped tools meant to be held in the hand. But, unlike hand axes, they have a wide, straight cutting edge running at right angles to the axis of the tool.
The earliest stone tools to date have been found at the site of Lomekwi 3 (LOM3) in Kenya and they have been dated to around 3.3 million years ago. [1] The archaeological record of lithic technology is divided into three major time periods: the Paleolithic (Old Stone Age), Mesolithic (Middle Stone Age), and Neolithic (New Stone Age).
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Stone implements typical to the Late Shang have been found at the site, including sickles, adzes, chisels, and grinding stones. Some sickles and spades were fashioned from seashells . Various bone tools , including hairpins , arrowheads, awls , spatulas, knives, and spades have also been recovered from the site.
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Adze. An adze (/ æ d z /) or adz is an ancient and versatile cutting tool similar to an axe but with the cutting edge perpendicular to the handle rather than parallel. Adzes have been used since the Stone Age.