Abstract
J Archaeol Sci 30 (2003) 351 reported extremely interesting dates on a calcite layer covering a pictograph at the Toca da Bastiana rock shelter within the Serra da Capivara National Park, Piaui, Brazil. Thermoluminescence and electron paramagnetic resonance ages indicate that humans were present in Brazil prior to 35 ky ago. We report radiocarbon dates for rock paintings at the same rock shelter and other nearby shelters that contradict Watanabe et al.'s results.
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