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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.
Production of points & spearheads from a flint stone core, Levallois technique, Mousterian culture, Tabun Cave, Israel, 250,000–50,000 BP. Israel Museum The Levallois technique of flint- knapping The Levallois technique ( IPA: [lə.va.lwa] ) is a name given by archaeologists to a distinctive type of stone knapping developed around 250,000 to ...
The Levallois technique of flint-knapping. 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.
The prepared-core technique is a means of producing stone tools by first preparing common stone cores into shapes that lend themselves to knapping off flakes that closely resemble the desired tool and require only minor touch-ups to be usable.
Flake tools are created through flint knapping, a process of producing stone tools using lithic reduction. ... Hard hammer percussion is the first step. It involves ...
Knapped stone tools are made from cryptocrystalline materials such as chert, flint, radiolarite, chalcedony, obsidian, basalt, and quartzite via a splitting process known as lithic reduction. One simple form of reduction is to strike stone flakes from a nucleus (core) of material using a hammerstone or similar hard hammer fabricator.
A Mass General Brigham emergency care doctor shares step-by-step guidance on how to administer the Heimlich maneuver to adults, children and yourself in a choking event.
Don E. Crabtree was born in Heyburn, Idaho on June 8, 1912. He finished high school in Twin Falls in 1930, after which he worked for the Idaho Power Company. After a brief period he traveled to California where he enrolled in Long Beach Junior College in the mid-1930s with the intent to major in geology and paleontology.
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