Open-cast mining often leads to the degradation of the topsoil. This is because the top layer of soil, which is rich in nutrients and organic matter, is typically removed during the mining process, leaving behind a barren and infertile landscape. Additionally, the removal of vegetation and the disruption of natural drainage patterns can further contribute to soil degradation. While open-cast mining may involve the production of fertile soils as a byproduct of the mining process, this is not the primary outcome, and the degradation of topsoil is more common. The mining activities may also impact wildlife habitats and cause the extinction of certain animals, but this is not directly related to the effects on the soil.