خرید و فروش معدن | مس | سنگ | شن و ماسه | زغال سنگ | سرب و روی

گروه تلگرام خرید و فروش معدن در سنگچین نیاز روز صنعت معدن و تجهیزات

Mining or mineral extraction is the process of extracting valuable minerals or other materials from the earth, usually from mines. Materials obtained from these deposits include metals, coal, oil shale, gemstones, diamonds, limestone, rock salt, gold, silver, potash, sand, clay, and the like.

Mining: 5 main stages of the mine life cycle

Identification
Exploration
Development
Production
Reclamation


Quarrying is a method of extraction used exclusively for the mining of building and ornamental stones such as marble, granite and limestone. In this method, stone blocks are separated from the rock mass using cutting tools, diamond wires or controlled explosions and then transported to stone-cutting factories for processing and precision cutting.