Redefining the Age of Clovis: Implications for the Peopling of the Americas-Reference-Cited by-同舟云学术

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

Published:2007-02-23 Issue:5815 Volume:315 Page:1122-1126
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Waters Michael R.¹²,Stafford Thomas W.¹²

Affiliation:

1. Departments of Anthropology and Geography, Center for the Study of the First Americans, Texas A&M University, 4352 TAMU, College Station, TX 77843-4352, USA.

2. Stafford Research Laboratories, 200 Acadia Avenue, Lafayette, CO 80026, USA.

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 ( 14 C yr B.P.). Adjusted 14 C dates and a reevaluation of the existing Clovis date record revise the Clovis time range to 11,050 to 10,800 14 C 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.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference29 articles.

1. C. V. Haynes Jr., in Paleoamerican Origins: Beyond Clovis, R. Bonnichsen, B. T. Lepper, D. Stanford, M. R. Waters, Eds. (Center for the Study of the First Americans, College Station, TX, 2005), pp. 113–132.

2. Clovis Blade Technology 1999

3. K. B. Tankersley, in The Settlement of the American Continents: A Multidisciplinary Approach to Human Biogeography, C. M. Barton, G. A. Clark, D. R. Yesner, G. A. Pearson, Eds. (Univ. of Arizona Press, Tucson, AZ, 2004), pp. 49–63.

4. Accelerator radiocarbon dating at the molecular level

5. Materials and methods are available as supporting material on Science Online.

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