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An orchestral reduction is a sheet music arrangement of a work originally for full symphony orchestra (such as a symphony, overture, or opera), rearranged for a single instrument (typically piano or organ), a smaller orchestra, or a chamber ensemble with or without a keyboard (e.g. a string quartet).
In archaeology, in particular of the Stone Age, lithic reduction is the process of fashioning stones or rocks from their natural state into tools or weapons by removing some parts. It has been intensely studied and many archaeological industries are identified almost entirely by the lithic analysis of the precise style of their tools and the ...
In lithic reduction, termination type is a characteristic indicating the manner in which the distal end of a lithic flake detaches from a core (Andrefsky 1998:18). Common types include: Step/snap termination – these occur when a flake snaps or breaks during removal, resulting in an abrupt right-angle break.
The presence of certain core reduction techniques in the Buttermilk Creek assemblage [11] suggests that Clovis lithic technologies and tool kit could have evolved from the Buttermilk Creek complex. [2] There are however, some differences in the lithic reduction techniques seen in each assemblage.
The flakes are shaped using the lithic reduction techniques, allowing for creation of various tools such as arrowheads and handaxes. Two stone characteristics will determine whether one is able to chip away large enough flakes to make tools out of: whether the stone is of a cryptocrystalline structure, and how conchoidally the stone fractures ...
Flintknapping a stone tool. Knapping is the shaping of flint, chert, obsidian, or other conchoidal fracturing stone through the process of lithic reduction to manufacture stone tools, strikers for flintlock firearms, or to produce flat-faced stones for building or facing walls, and flushwork decoration.
The Hoabinhian is a lithic techno-complex of archaeological sites associated with assemblages in Southeast Asia from the late Pleistocene to the Holocene, dated to c. 10,000 –2000 BCE. [1] It is attributed to hunter-gatherer societies of the region whose technological variability over time is poorly understood. [ 2 ]
Retouch is often taken as one of the most obvious features distinguishing a tool from a waste by-product of lithic manufacture . The extent of reduction, also known as the retouch intensity, is denoted by a measure of the reduction index. [3] There are many quantitative and qualitative methods used to measure this.