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Uranium series dating of human skeletal remains from the Del Mar and Sunnyvale sites, California

Science

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Abstract

Uranium series analyses of human bone samples from the Del Mar and Sunnyvale sites indicate ages of 11,000 and 8,300 years, respectively. The dates are supported by internal concordancy between thorium-230 and protactinium-231 decay systems. These ages are significantly younger than the estimates of 48,000 and 70,000 years based on amino acid racemization, and indicate that the individuals could derive from the population waves that came across the Bering Strait during the last sea-level low. Copyright ?? 1981 AAAS.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Uranium series dating of human skeletal remains from the Del Mar and Sunnyvale sites, California
Series title:
Science
Volume
213
Issue:
4511
Year Published:
1981
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
1003
Last page:
1005
Number of Pages:
3