A Revised Chronology of the Lowest Occupation Layer of Pedra Furada Rock Shelter, Piau�, Brazil; the Pleistocene Peopling of the Americas

dos Santos, GBird, MichaelParenti, FFifield, L KeithGuidon, N.Hausladen, P.2015-12-132015-12-130277-3791http://hdl.handle.net/1885/85438The present work revisits the chronology of the archaeologically controversial Pedra Furada Rock Shelter of Southeast Piauí, Brazil, using an improved radiocarbon laboratory pre-treatment and measurements on charcoal samples. The procedure, known as ABOXKeywords: Carbon dioxide; Charcoal; Combustion; Mass spectrometry; Oxidation; Radiocarbon dating; Geochronology; accelerator mass spectrometry; archaeological evidence; charcoal; radiocarbon dating; Brazil; Piaui; South AmericaA Revised Chronology of the Lowest Occupation Layer of Pedra Furada Rock Shelter, Piau�, Brazil; the Pleistocene Peopling of the Americas200310.1016/S0277-3791(03)00205-12015-12-12