Concentration of Gold Ores – a Key to Reducing Mercury Use in Artisanal and Small Scale Gold Mining
By Kevin Telmer - June 3, 2012
In artisanal gold mining, mercury is essentially used to concentrate the gold. It does this by bonding with the gold to form a heavy amalgam that is then easily separated from the other minerals. It follows therefore, that if mercury is used as a mechanism of concentration, producing concentrates of gold ores […]