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      Comment on “Clovis and Western Stemmed: Population Migration and the Meeting of Two Technologies in the Intermountain West” by Charlotte Beck and George T. Jones

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      American Antiquity
      Society for American Archaeology

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          Abstract

          Beck and Jones (2010) assert that Clovis “was not first in the Intermountain West”; Western Stemmed points are older than fluted points; and the stemmed point makers derived from a hypothetical pre-13,000 cal B.P. Pacific Coast migration. A less tendentious review of the data suggests instead that Western Stemmed follows Clovis in this region, as previously inferred by Willig and Aikens.

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          Redefining the age of Clovis: implications for the peopling of the Americas.

          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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            Routes: Alternate Migration Corridors for Early Man in North America

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              DNA from pre-Clovis human coprolites in Oregon, North America.

              The timing of the first human migration into the Americas and its relation to the appearance of the Clovis technological complex in North America at about 11,000 to 10,800 radiocarbon years before the present (14C years B.P.) remains contentious. We establish that humans were present at Paisley 5 Mile Point Caves, in south-central Oregon, by 12,300 14C years B.P., through the recovery of human mitochondrial DNA (mtDNA) from coprolites, directly dated by accelerator mass spectrometry. The mtDNA corresponds to Native American founding haplogroups A2 and B2. The dates of the coprolites are >1000 14C years earlier than currently accepted dates for the Clovis complex.
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                Author and article information

                Journal
                applab
                American Antiquity
                American Antiquity
                Society for American Archaeology
                0002-7316
                April 2012
                January 20 2017
                April 2012
                : 77
                : 02
                : 376-385
                Article
                10.7183/0002-7316.77.2.376
                10340b18-c358-4e92-85dc-809f3d847c1f
                © 2012
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