Search results
Results from the WOW.Com Content Network
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 ...
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.
A conchoidal fracture is a break or fracture of a brittle material that does not follow any natural planes of separation. Mindat.org defines conchoidal fracture as follows: "a fracture with smooth, curved surfaces, typically slightly concave, showing concentric undulations resembling the lines of growth of a shell". [1]
Stone tools have been used throughout human history but are most closely associated with prehistoric cultures and in particular those of the Stone Age.Stone tools may be made of either ground stone or knapped stone, the latter fashioned by a craftsman called a flintknapper.
Today's Wordle Answer for #1257 on Wednesday, November 27, 2024. Today's Wordle answer on Wednesday, November 27, 2024, is SLANG. How'd you do? Next: Catch up on other Wordle answers from this week.
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.
A couple has been arrested after authorities say they performed a botched circumcision on their son at their central Missouri home last week.. Prosecutors charged Tyler Wade Gibson, 35, with one ...
Here’s the official song list for the ‘CMA Country Christmas’ special. The Country Music Association released a full song list for the hourlong special.