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  2. Knapping - Wikipedia

    en.wikipedia.org/wiki/Knapping

    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.

  3. Stone tool - Wikipedia

    en.wikipedia.org/wiki/Stone_tool

    In contrast to an Oldowan tool, which is the result of a fortuitous and probably unplanned operation to obtain one sharp edge on a stone, an Acheulean tool is a planned result of a manufacturing process. The manufacturer begins with a blank, either a larger stone or a slab knocked off a larger rock.

  4. Lithic reduction - Wikipedia

    en.wikipedia.org/wiki/Lithic_reduction

    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.

  5. Semi-finished casting products - Wikipedia

    en.wikipedia.org/wiki/Semi-finished_casting_products

    The slab is created directly by continuous casting or indirectly by rolling an ingot on a slabbing mill. [1] Slabs are usually further processed via flat rolling, skelping, and pipe rolling. Common final products include sheet metal, plates, strip metal, pipes, and tubes. [3] Slab are mainly produced through blast furnace route. One of the ...

  6. Lithic analysis - Wikipedia

    en.wikipedia.org/wiki/Lithic_analysis

    In archaeology, lithic analysis is the analysis of stone tools and other chipped stone artifacts using basic scientific techniques. At its most basic level, lithic analyses involve an analysis of the artifact's morphology, the measurement of various physical attributes, and examining other visible features (such as noting the presence or absence of cortex, for example).

  7. Levallois technique - Wikipedia

    en.wikipedia.org/wiki/Levallois_technique

    Israel Museum The Levallois technique of flint-knapping The Levallois technique ( IPA: [lÉ™.va.lwa] ) is a name given by archaeologists to a distinctive type of stone knapping developed around 250,000 to 400,000 [ 1 ] years ago during the Middle Palaeolithic period.

  8. Errett Callahan - Wikipedia

    en.wikipedia.org/wiki/Errett_Callahan

    Errett Callahan was born in Lynchburg, Virginia, on December 17, 1937.Callahan’s interest in the outdoors and Native American lifeways began quite early on. As a boy Callahan was a member of the Boy Scouts of America and it was as a Boy Scout that he was first exposed to the skills and techniques that the Native Americans used to survive in the outdoors. [1]

  9. Prepared-core technique - Wikipedia

    en.wikipedia.org/wiki/Prepared-core_technique

    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.