Environmental implications of explosive usage

摘要

Blasting is an important phenomenon for extraction of minerals where massive amount of explosives are detonated in shot holes to break the surrounding rock and minerals. The undesirable side-effects of blasting are ground vibration, noise/air overpressure, flyrock, dust and fumes etc., which cause annoyance to the nearby residents. The annoying circumstances as a result of these impacts, at many times, lead to unfavourable mining operations, confrontations and sometimes even litigations. Besides mining, during seismic survey also the main challenge in highly populated areas as for example upper Assam, is avoidance of damages to structures and buildings caused due to blasting of seismic explosives. The annoyances are often created by seismic surveys in the form of noise and possible damage to the structures despite following the standard norms and guidelines.