INDIAN GEOGRAPHY

Detailed explanation-1: -Open-pit mines that produce building materials and dimension stone are commonly referred to as “quarries."

Detailed explanation-2: -Open-pits are sometimes called ‘quarries’ when they produce building materials and dimension stone.

Detailed explanation-3: -Open-pit mines are used when deposits of commercially useful ore or rocks are found near the surface.

Detailed explanation-4: -Most iron ore mining operations use the ‘open pit’ method, where miners drill into the rock and blast the ore-bearing material loose with explosives. Huge excavators are then used to gather the loosened ore.

Detailed explanation-5: -Open-Pit Mining Open-pit mines are commonly called quarries when they produce materials used in building: limestone, granite, and marble, for example. These pit mines continue to be enlarged until there is no more ore to mine or the overburden becomes too heavy.