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    ThoughtCo
    https://www.thoughtco.com

    Mercury Usage in Gold Mining and Why It Is a Problem - ThoughtCo

    • First, mercury is mixed with the materials containing gold. A mercury-gold amalgam then is formed because gold will dissolve in the mercury while other impurities will not. The mixture of gold and mercury is t… 展开

    History of Using Mercury in Gold Mining

    Mercury first was used to extracting gold as many as 3,000 years ago. The process was prominent in the U.S. up until the 1960s, and the environmental impact on northern California is still f… 展开

    ThoughtCo
    Mercury's Health Side-Effects

    Mercury vapor negatively impacts the nervous, digestive, and immune systems, and the lungs and kidneys, and it can be fatal, according to the World Health Organization. Th… 展开

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    Where Mercury Is Still in Use

    The Guyana Shield region (Surinam, Guiana and French Guiana), Indonesia, The Philippines and part of Western Africa’s coast (e.g., Ghana) are particularly impacted by the … 展开

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    Alternatives to Using Mercury

    Gold is heavier than most other particles, so alternative methods typically use motion or water to separate the gold from lighter particles. Panning involves moving sediment that po… 展开

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    Does gold mining cause high mercury levels?
    In fact, numerous studies have found that —especially indigenous communities—consuming fish caught near gold mining have elevated levels of mercury. Scientists are currently studying the health effects of high mercury exposure in people. The Amazon hosts the largest biodiversity on the planet and is facing high levels of mercury pollution.
    scientificamerican.com