Solar And Lunar Eclipse Apparatus

Description

Open pit mining often results in a large hole or pit being formed in the process of extracting a mineral. Deposits mined by open pit techniques are generally divided into horizontal layers called benches. The thickness of the benches depends on the type of deposit & the mineral being mined. Mining is generally conducted on a number of levels at any one time.

Description

Showing inner, outer material and formation of the Earth.

Description

Shows mining when any ore body lies at a considerable distance below the surface. The specific mining method selected depends upon the size, shape and orientation of the ore body and the depth involved.