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Amazon River Is 11 Million Years Old, Drilling Study Finds
The Amazon River originated as a transcontinental river around 11 million years ago and took its present shape approximately 2.4 million years ago. These are the most significant results of a study on two boreholes drilled in proximity of the mouth of the Amazon River by Petrobras, the national oil company of Brazil. Scientists used this new oceanic record to reconstruct the history of the Amazon River.
Source: ScienceDaily