Abstract
AbstractThe Alice Boer site, located in Southeastern Brazil, was considered to be one of the oldest sites in the Americas, and a strong candidate for being a pre‐Clovis site. Ages obtained by researchers during the 1970s and 1980s put the site inside a chronological range between 2 and 14 ka, eventually reaching as old as 30 ka or even 130 ka. Between 2010 and 2012, our research team revisited the site to improve the knowledge of Paleoindian occupation in Southeastern Brazil. Here, we present new data of stratigraphy and chronology (luminescence and radiocarbon dating), pedological and magnetic analysis performed at some of the sites. Results show that the site's oldest occupation took place ca. 8 ka, which provides new insight into human occupation in South America. In addition, we show some issues with radiocarbon contamination due to soil humin fraction mobility.
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