The gold, which is heavier than the sediment it is hidden within, is left on a carpeted mat at the bottom of the conveyor belt. It is then subjected to a burning process using mercury that, as it vaporizes, causes irreversible damage to the surrounding flora, fauna and, ultimately, human beings.
read more... https://news.mongabay.com/2023/05/a-frontline-view-of-the-fight-against-illegal-mining-in-yanomami-territory/
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