silcrete

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silcrete [′sil‚krēt]

(geology)

A conglomerate of sand and gravel cemented by silica.

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No references found			At South Africa's Pinnacle Point cave, the researchers identified magnetic and molecular signatures of intense heating on 26 tools made of a type of stone called silcrete. Fire engineers of the Stone Age: Africans heated stones for ... by Bower, Bruce / Science News But, according to a report in National Geographic News, the new finds suggest that people in what is now South Africa discovered that heating a stone called silcrete would make it easier to flake, allowing them to shape more advanced blades, knives, and other tools. Human intelligence just became 50,000 years older! by Asian News International The study bases its conclusions on pieces of silcrete, a type of stone, that were found in various states of glossiness, indicating they had been treated with heat. Early humans forged tools with fire: study by AFP / AFP Global Edition			Sikorsky, Igor Ivan Sikorsky, Igor Ivanovich sikra Siksika sikussak SIL Sila, La Silage Silage Cutter Silage Harvester Silage Loader Silal Silale Silane silanol Silantev, Aleksandr Silantev, Aleksandr Petrovich Silantev, Anatolii Silantev, Anatolii Alekseevich Silantev, Iurii Silantev, Iurii Vasilevich Silas Silaum Silchester Silcox, Ferdinand Augustus silcrete Silcrome silence chamber silence suppression silencer Silene silent Silent Days silent discharge silent install Silent Majority silent mutation Silent Night silent period silent speed silent stock support silent update Silenus Siles Zuazo, Hernán Silesia Silesian Upland Silesian Uprisings of 1919, 1920, and 1921 Silesian Wars Silesian Weavers Uprisings Silesian-Malopolska Upland Silesians			Silas Goodrich Silas Goodrich Silastic Silastic Silastic Obstetrical Vacuum Cup Silastic Ring Gastric Bypass Silastic Ring Vertical Gastroplasty Silat SILATA Silaum SILB Silba Silberglanz Silberglanz SILC Silca Silcates Silcates Silcates SILCEP Silchar Medical College and Hospital Silchester SILCK Silcon Valley Silcon Valley Silcon Valley Silcox, Ferdinand Augustus silcrete Silcrome sild sild sild Silda A. Wall Silda Wall Sildalcea malviflora Sildalcea malviflora sildenafil sildenafil sildenafil sildenafil citrate sildenafil citrate sildenafil citrate SILDL silds Sile Sile SILEC Silena Silena silence silence silence silence silence silence silence chamber Silence Dogood Silence Dogood

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