Rio Tinto River originates in the Sierra Morena mountains Andalusia, Spain. It flows south- south west to reach the Gulf of Cadiz. The banks of the river are mined for copper, silver, gold and other minerals from ancient times. Recently a rare extremophile aerobic bacterium was found in the river. These bacteria are the likely cause of high acid content of water. The extreme conditions of the river are comparable to other locations in our solar system which seem to contain water like the Rio Tinto River.
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