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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).
A blade core becomes an exhausted core when there are no more useful angles to knock off blades. Blades can be classified into many different types depending on their shape and size. Archaeologists have also been known to use the microscopic striations created from the lithic reduction process to classify the blades into specific types.
People during prehistoric times often preferred these flake tools as compared to other tools because these tools were often easily made, could be made to be extremely sharp & could easily be repaired. Flake tools could be sharpened by retouch to create scrapers or burins. These tools were either made by flaking off small particles of flint or ...
This method provides much greater control over the size and shape of the final flake which would then be employed as a scraper or knife although the technique could also be adapted to produce projectile points known as Levallois points. Scientists consider the Levallois complex to be a Mode 3 technology, as a result of its diachronic variability.
An underwater Mousterian excavation site at Kaštel Štafilić - Resnik recovered about 100 artefacts of which half are tools, Mousterian centripetal cores and side scrapers, several pseudotools, numerous pieces of chert and Levallois method artifacts.
President-elect Donald Trump over the weekend suggested the US should retake the Panama Canal, an idea that was immediately rejected by the government of Panama, which has controlled the passage ...
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