Open pit is an excavation carried out on the surface of land that is intended to take the materials in the ore minerals in the soil surface. Surface mining is one of two known mining systems, namely the open mines and underground mines. where all the activities or mining activities conducted on or relatively near the earth's surface and the workplace is directly related to the outside world.
Mining the open pit itself is done with several stages of the process of work which includes:
- The Preparation Stage
- Mining Operations
- Processing and Marketing
- Reclamation
* The Preparation Stage
In the preparatory phase of mining activity performed early in the process of extraction or mining of minerals consists of the preparation phase or pre-mining process, and in this activity include: