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Amazon gold mining bateia_it2111.jpg
Part of the hydraulic gold mining process known as "chupadeira system" - after using mercury to amalgamate with the metal in a sluice box, a skilled gold miner purifies the gold collected by manipulating the bateia ( a shallow, cone-shaped zinc pan ) with smooth circular motion to gradually concentrate the gold at the botton of the pan. Agua Branca gold mining village, Para State, Amazon rain forest, Brazil.