The small-scale or artisanal miners of Zamfara have brought down another deadly scourge on their heads by using mercury, a highly toxic metal, to separate gold from concentrate.
"They're getting a double whammy," the associate UVic prof says. "They're getting acute lead intoxication and chronic mercury exposure and intoxication.
http://www.theprovince.com/business/Small+scale+mines+expose+Nigerian+children+lead+poisoning/5285245/story.html
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