During gold prospecting, mercury can sometimes appear in concentrates alongside gold, raising important questions about its origin and impact. Understanding why mercury shows up and how prospectors ...

OSLO (Reuters) - High gold prices are driving up the use of toxic mercury in small-scale mining in developing nations, spreading a poison that can cause brain damage in children thousands of miles ...

Mercury is still used in small-scale mining to extract gold from ore in more than 70 countries, despite it contaminating rivers and soils, and being toxic to humans. At the sixth Conference of the ...