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Full Sized Cyanide Leaching Gold Extraction Process In Botswana

Due to the use of dirty practices such as open pit mining and cyanide heap leaching, mining companies generate about 20 tons of toxic waste for every 0.333-ounce gold ring.The waste, usually a gray liquid sludge, is laden with deadly cyanide and toxic heavy metals.Many gold mines dump their toxic waste directly into natural water bodies.

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