Rocks Collection,Set Of 20

Description

Showing upper level of an underground surface in which soil or rock is permanently saturated with water. The water table separates the underground water zone from the capillary fringe or zone of aeration.

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

Physical relief with light off and Physical cum political relief with light on.