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Results for retouch:

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alternate retouch
CATEGORY: lithics
DEFINITION: Retouch that occurs on the dorsal side of one edge and the ventral side of the opposite edge of a flake.
alternating retouch
CATEGORY: lithics
DEFINITION: Retouch that occurs on an edge of a lithic flake in such a way that it alternates between dorsal and ventral sides from one end to the other of the edge.
bifacial retouch
CATEGORY: lithics
DEFINITION: Retouch flaking that occurs on both ventral and dorsal sides of an edge.
crossed retouch
CATEGORY: lithics
DEFINITION: Retouch that is so steep on a lithic edge that it forms almost a 90-degree angle, so it is barely visible from dorsal or ventral sides.
direct retouch
CATEGORY: lithics
DEFINITION: Retouch that occurs on an edge of a lithic flake, visible only in dorsal view.
inverse retouch
CATEGORY: lithics
DEFINITION: Retouch that occurs on an edge of a lithic flake visible only in the ventral view.
pressure flake
SYNONYMS OR RELATED TERMS: retouching flake
CATEGORY: lithics
DEFINITION: Tiny, extremely thin flakes pinched or pushed off a tool to finish shaping it or to resharpen or reshape it.
retouch
SYNONYMS OR RELATED TERMS: secondary working; secondary flaking
CATEGORY: lithics
DEFINITION: The working of a primary flake, usually by the removal of small fragments, to form a tool; to thin, sharpen, straighten, or otherwise refine an existing stone tool for further use. It is the work done to a flint implement after its preliminary roughing-out in order to make it into a functional tool. In the case of a core-tool, such as a hand-ax, retouch may consist of roughly trimming the edge by striking with a hammerstone, but on smaller, finer flake or blade tools it is usually carried out by pressure-flaking. It is done two ways, either by blows that knock small flakes off an edge (percussion retouch) or by pressure to force the flakes off (pressure retouch). The different types of retouch are also described as: backing or blunting retouch, and invasive or normal retouch. Invasive retouch can be steep or shallow, depending mainly on the kind of edge being retouched; this retouch can also be scaly in character. Backing is most often applied to blades and may have been done to blunt the back or to bring its end to a stout point. Evidence suggests that it may have been done to regularize the blade edge to facilitate fixing by resin 'mastic' to a bone or wood shaft. Such a strip of mastic was found in Lascaux, France. Notching or toothing is another form of retouch, and the removal of spalls or slivers as in the burin technique could be regarded as a further form of retouch or modification. Retouch is one of the most obvious features distinguishing a manmade from a naturally struck flint.
retouched flake
CATEGORY: artifact
DEFINITION: A flake that has had small flakes removed to blunt, sharpen, refine the outline or prepare the edge of the tool.
secondary flake
SYNONYMS OR RELATED TERMS: partially cortical flake, retouch, secondary flaking, secondary retouch, reduction flake
CATEGORY: lithics
DEFINITION: A stone flake removed from a larger flake, as in the process of refining for a new use; a flake possessing some cortex on its dorsal aspect. The flakes are removed from an existing stone tool in order to thin, sharpen, blunt, or otherwise modify it for a specific use. Secondary flaking is the trimming which gives a chipped stone tool its final shape after the primary flaking has produced a blank (blade, flake, or core) of roughly the required form.
secondary retouch
CATEGORY: artifact
DEFINITION: Finishing or resharpening flaking done after the basic shape of a lithic tool has been completed.
steepness of retouch
CATEGORY: lithics
DEFINITION: The angle between the flat plane of a flake and a retouched surface. Very steep retouch is close to 90 degrees.
use retouch
CATEGORY: artifact
DEFINITION: An irregular scattering of small scars often found on the edges of artifacts and though to be the accidental result of tool use

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