Flora Plant life. The process of mixing ground ore with water chemical reagents and air to separate mineral particles from waste rock. The mineral particles stick to the air bubbles and float to the surface. The froth is collected and dewatered to produce concentrate for smelting or further processing. A furnace in which copper concentrates are roasted to eliminate sulphur.
Heat is provided by the burning sulphur.
The process or operation of melting or rendering liquid by heat. The science which investigates the physical history of the earth. The element gold occurs very widely diffused in nature, chiefly in the free state, but invariably alloyed with silver or copper, and occasionally with other metals. The classification of an ore according to the desired or worthless material in it or according to value. The wall on the upper side of an inclined orebody.