Pre-Clovis occupation 14,550 years ago at the Page-Ladson site, Florida, and the peopling of the Americas

Jessi J. Halligan, Michael R. Waters, Angelina Perrotti, Ivy J. Owens, Joshua M. Feinberg, Mark D. Bourne, Brendan Fenerty, Barbara Winsborough, David Carlson, Daniel C. Fisher, Thomas W. Stafford, James S. Dunbar

Research output: Contribution to journalArticlepeer-review

108 Scopus citations

Abstract

Stone tools andmastodon bones occur in an undisturbed geological context at the Page-Ladson site, Florida. Seventy-one radiocarbon ages showthat ∼14,550 calendar years ago (cal yr B.P.), people butchered or scavenged amastodon next to a pond in a bedrock sinkhole within the Aucilla River. This occupation surface was buried by ∼4m of sediment during the late Pleistocenemarine transgression, which also left the site submerged. Sporormiella and other proxy evidence fromthe sediments indicate that hunter-gatherers along the Gulf Coastal Plain coexisted with and utilized megafauna for ∼2000 years before these animals became extinct at ∼12,600 cal yr B.P. Page-Ladson expands our understanding of the earliest colonizers of the Americas and human-megafauna interaction before extinction.

Original languageEnglish (US)
Article numbere1600375
JournalScience Advances
Volume2
Issue number5
DOIs
StatePublished - May 2016

Bibliographical note

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© 2016 The Authors.

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