Note: Stratified rock shelter site containing two distinct periods of prehistoric human occupation. The most recent was the Serra Talhada Phase (6,000-10,400 years ago), including distinctive knives and other tools, and extensive complex rock art painted on the shelter walls. The other phase (Pedra Furada) is controversial since it is held by some to represent a culture long before people were traditionally thought to have emerged in America (11,000 years ago); some evidence could suggest that the Pedra Furada Phase dates back to 50,000 years ago.
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