Grinders are pieces of equipment which enable the breakdown of larger pieces of raw materials into smaller pieces.

Waste rock contained within or surrounding an ore. This waste must be separated for the extraction of the mineral.

The final stage in reducing the size of the ore to a powder . A powdering or pulverising process achieved by tumbling, stirring or vibration.

Waste rock contained within or surrounding an ore. This waste must be separated for the extraction of the mineral.

Concentration of metal or minerals in a body of rock. Expressed as a percentage or grams per tonne.

The separtion of gold from waste. Due to gold being denser than the waste, it sinks to the bottom when shaken in a pan with water.