Ghana: Some Affect Of Mining On The Environment And Land

This mercury enters the food chain through aquatic animals and their predators. Highly poisonous compound "cyanide" is also used to separate gold from sediment and rock. In spite of all precautionary measures, it sometimes escapes into the surrounding environment. Those who eat fish are at greater risk of ingesting such toxins
http://www.modernghana.com/blogs/391171/31/some-affect-of-mining-on-the-environment-and-land.html