question_answer 4)

What is the difference between an open pit mine, a quarry and an underground mine with shafts?

Answer:

Differences between an open pit mine, a quarry and underground mine with shafts  

Open Pit Mine	Quarry	Underground Mine with Shafts
Minerals are removed from a pot dug in the ground	Minerals are removed from a shallow pit dug in the ground	Minerals are removed through deep shafts dug in the ground
Used where commercially useful minerals are found near the surface	Generally, used for extracting building materials like dimension stone	Used where the mineral occurs as veins in hard rock deep below the surface of the Earth
Extracted using Earth moving machinery	Extracted using Earth moving machinery	Extracted using elevators that can carry minerals, extraction equipment as well as persons into the area where the mineral is available