More Pre-Clovis evidence in America

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The discussion centers on the contentious debate among archaeologists and anthropologists regarding the peopling of America, particularly the Clovis-first model. Recent findings at the Manis site in Washington reveal a projectile point made from mastodon bone embedded in a rib dating back approximately 13,800 years, challenging the established timeline of human migration into North America. The dating is based on radiocarbon analysis, which indicates a conversion to calendar years. The conversation highlights the resistance to changing long-standing paradigms in archaeology, with a growing consensus that the Clovis-first model is becoming outdated as new evidence emerges. The sentiment reflects a shift in the archaeological community towards embracing new theories about early human presence in the Americas.
Andre
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For some reason, incomprehensable to me, archeologists and antropologists have fought flaming wars about the peopling of America. Maybe that has to do with my new signature.

Anyway, the clovis first protagonists may have some work to do after http://www.sciencemag.org/content/334/6054/351.abstract:

The tip of a projectile point made of mastodon bone is embedded in a rib of a single disarticulated mastodon at the Manis site in the state of Washington. Radiocarbon dating and DNA analysis show that the rib is associated with the other remains and dates to 13,800 years ago...

I wish to know if that date 13.8 Ky is 14C years or calendar years. But I guess I'll find out soon.

Thoughts?
 
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Update, yes, After getting the article, the date is based on an average of 4 carbon dates of 11,960 +/- 17 years 14C B.P. which is converted to 13,860 - 13,763 calendar yr B.P.
 
here is a "biased" subjective coverage of the article.

How about this conclusion and my new signature:

"You know, the Clovis-first model has been dying for some time," he finished. "But there's nothing harder to change than a paradigm, than long-standing thinking. When Clovis-First was first proposed, it was a very elegant model but it's time to move on, and most of the archaeological community is doing just that."
 

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