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Recent genetic studies have also suggested that some eastern Polynesian populations have admixture from coastal western South American peoples, with an estimated date of contact around 1200 CE. [6] Scientific and scholarly responses to other claims of post-prehistory, pre-Columbian transoceanic contact have varied.
Pre-Columbian contact between Alaska and Kamchatka via the subarctic Aleutian Islands would have been conceivable, but the two settlement waves on this archipelago started on the American side and its western continuation, the Commander Islands, remained uninhabited until after Russian explorers encountered the Aleut people in 1741.
Nomatto et al. (2009) proposed migration into Beringia occurred between 40,000 and 30,000 BP, with a pre-LGM (Last Glacial Maximum) migration into the Americas followed by isolation of the northern population following closure of the ice-free corridor. [105] A 2016 genetic study of Indigenous peoples of the Amazonian region of Brazil (by ...
1491: New Revelations of the Americas Before Columbus is a 2005 non-fiction book by American author and science writer Charles C. Mann about the pre-Columbian Americas. It was the 2006 winner of the National Academies Communication Award for best creative work that helps the public's understanding of topics in science, engineering or medicine.
In the classification of the archaeology of the Americas, the Post-Classic stage is a term applied to some pre-Columbian cultures, typically ending with local contact with Europeans. This stage is the fifth of five archaeological stages posited by Gordon Willey and Philip Phillips ' 1958 book Method and Theory in American Archaeology .
The Pre-Columbian era is the term generally used to encompass all time period subdivisions in the history of the Americas spanning the time from the original settlement of the Americas in the Upper Paleolithic until the European colonization of the Americas during the early modern period.
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Metallurgy in pre-Columbian Mesoamerica appeared after 600 CE, including alloys of copper; later, bronze techniques were probably imported from South America The Iron Age in Eurasia is defined by the production of iron tools via smelting ; iron smelting was never developed natively in the Americas.