polished edge stone tools (Other Keyword)
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Polished edge stone tools from the Gulf of Morrosquillo, Caribbean coast of Colombia, evidence of an advanced lithic industry (2016)
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Highly polished edge stone tools occur in large numbers all along the Gulf of Morrosquillo’s coastal plain on the Caribbean Coast of Colombia. Despite the remarkably large quantities of stone tools and the impressive craftsmanship they display, they have gone unnoticed by archaeological surveys. In an area where the geology is dominated by a thick sequence of marine sedimentary rocks, the presence of stone tools made from high grade metamorphic and igneous rocks suggest that these were likely...