What toxic chemical do miners in poverty stricken countries use for mining gold? ?

Mercury is illegally and rampantly used in poverty-stricken countries to mine gold. In gold mining, mercury amalgamation is the most common separation process. Because there is no enough awareness as well as inadequacy of environmental, health, and safety regulations in thiese small industries, the miners are usually exposed to dangerous toxic materials. 

the dominoes began to fall. the surrender at appomattox took place a week later on april 9. while it was the most significant surrender to take place during the civil war, gen. robert e. lee, the confederacy's most respected commander, surrendered only his army of northern virginia to union gen. ulysses s. grant

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