What is Under Ground Mining

Under Ground Mining

Underground mining- are those mining operations which are done below the Earth surface is known as Underground mining. in underground mining gestation period is high because of we need to make mode of entry by which we access to the ore or seam.

Condition for choice of U/G mining-

→for higher depth Ore or Coal deposit.
→Depends on the depth of ore or coal seam
→depends on the stripping ratio.

Under Ground Mining

See also What is mining and its classification

Mode of Entry-

1. Incline
2. Shaft
3. Adit

Advantages of Underground Mining-

1.Ground Vibration is low.
2.Work not affected by weather.
3.No need of overburden removal.
4.Less danger of fly rock.
5.No destruction of forest is needed.
6.Ecosystem is not disturbed.
7.It can be applicable for Higher depth.
8.The soil and Agriculture land is destroyed in open cast mining but not in case of Underground mining.
9.Cost of explosives is high compare to Open cast mining.
10.Safely working near the permanent structure by the help of stowing.

Disadvantages of Underground Mining-

1.Production is limited in underground mining.
2.Safety is less compare to Opencast Mining.
3.Percentage of extraction is less compare to Opencast Mining.
4.Mechanization is limited.
5.Working area is limited.
6.Long Gestation period.
7.Overall cost of production is high.
8.Danger of roof fall, gas explosion, Subsidence, etc.

Read also Advantage and disadvantages of Opencast mining