Artisanal gold mining has been associated with various environmental impacts. Several toxic heavy metals, including lead (Pb), nickel (Ni), chromium (Cr), cadmium (Cd), arsenic (As), mercury (Hg), zinc (Zn), and copper (Cu), are released into the surrounding environments.
read more... https://www.sciencedirect.com/science/article/pii/S2773050624000454
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