A quarry is a type of open-pit mine in which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate is excavated from the ground. The operation of quarries is regulated in some jurisdictions to manage … 展开

Types of rock extracted from quarries include:
• Chalk
• China clay
• Cinder 展开

Many quarry stones such as marble, granite, limestone, and sandstone are cut into larger slabs and removed from the quarry. The surfaces are polished and finished with varying degrees of sheen or luster. Polished slabs are often cut into tiles or 展开

• List of quarries
• List of quarries in the United States
• Clay pit
• Coal mining
• Collecting fossils 展开

The method of removal of stones from their natural bed by using different operations is called quarrying. Methods of quarrying include:
• a) Digging – This method is used when the quarry consists of small and soft pieces of stones. 展开

Quarries in level areas with shallow groundwater or which are located close to surface water often have engineering problems with drainage. Generally the water is removed by pumping while the quarry is operational, but for high inflows more complex … 展开