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2. Levallois technique - Wikipedia

   en.wikipedia.org/wiki/Levallois_technique

   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 ...

3. 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.

4. Knapping - Wikipedia

   en.wikipedia.org/wiki/Knapping

   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.

5. 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.

6. Stone tool - Wikipedia

   en.wikipedia.org/wiki/Stone_tool

   The manufacturer begins with a blank, either a larger stone or a slab knocked off a larger rock. From this blank he or she removes large flakes, to be used as cores. Standing a core on edge on an anvil stone, he or she hits the exposed edge with centripetal blows of a hard hammer to roughly shape the implement.

7. NFL playoff scenarios: Which teams can clinch in Week 15? - AOL

   www.aol.com/nfl-playoff-scenarios-teams-clinch...

   With four weeks left in the NFL regular season, only four teams have clinched playoff spots. But several more could join them in Week 15.

8. List of quarries in the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_quarries_in_the...

   Source of brownstone for buildings in Chicago, IL and Milwaukee, WI; Walczak-Wontor Quarry Pit Workshop, near Cataract, Wisconsin, NRHP-listed. Address-restricted archeological site. Krukowski Quarry, a sandstone quarry near Mosinee, Wisconsin. It yields late Cambrian period fossils, in the course of quarrying rock slabs for countertops and ...

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