doi: 10.1126/science.1137166.
Redefining the age of Clovis: implications for the peopling of the Americas
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- PMID: 17322060
- DOI: 10.1126/science.1137166
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Redefining the age of Clovis: implications for the peopling of the Americas
Science.
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Abstract
The Clovis complex is considered to be the oldest unequivocal evidence of humans in the Americas, dating between 11,500 and 10,900 radiocarbon years before the present (14C yr B.P.). Adjusted 14C dates and a reevaluation of the existing Clovis date record revise the Clovis time range to 11,050 to 10,800 14C yr B.P. In as few as 200 calendar years, Clovis technology originated and spread throughout North America. The revised age range for Clovis overlaps non-Clovis sites in North and South America. This and other evidence imply that humans already lived in the Americas before Clovis.
Comment in
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Archaeology. Clovis technology flowered briefly and late, dates suggest.Science. 2007 Feb 23;315(5815):1067. doi: 10.1126/science.315.5815.1067a. Science. 2007. PMID: 17322037 No abstract available.
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Comment on "Redefining the age of Clovis: implications for the peopling of the Americas".Science. 2007 Jul 20;317(5836):320; author reply 320. doi: 10.1126/science.1141960. Science. 2007. PMID: 17641183
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