A couple of hoses are ejecting jets of pressurized water. You can hear the hustle and bustle of the hydraulic pumps located a short distance away. And you can see the inclined sluices where the gold-bearing slurry is being transferred. Later, the partially isolated gold is subjected to an amalgamation process that uses mercury to further isolate the gold.
read more... https://pulitzercenter.org/reporting/gold-mining-devastation-beneath-eyes-roraima-tepuy
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