Article2007

Redefining the Age of Clovis: Implications for the Peopling of the Americas

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Pleistocene-Era Hominins and Archaeology Geology and Paleoclimatology Research Archaeology and ancient environmental studies

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.

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References

2000Paleoindian Colonization of the Americas: Implications from an Examination of Physiography, Demography, and Artifact Distribution 2001Late Quaternary paleoenvironments of Northwestern North America: implications for inland versus coastal migration routes 1993The Colonization of Beringia and the Peopling of the New World 2004The North Atlantic ice-edge corridor: A possible Palaeolithic route to the New World 2004The Settlement of the American Continents : A Multidisciplinary Approach to Human Biogeography 2000The Peopling of the New World: Present Evidence, New Theories, and Future Directions

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