Analysis of Soil Erosion on Mine Area

Abstract

Abstract Mining activities disturbing large areas of land may increase erosion rate up to several hundred times greater than from undisturbed areas. The erosion process occurs in stripping overburden, excavation of rocks and minerals, dumping in stock file and waste dump, and mine reclamation. Since the eroded material/sediment becomes a big problem to the environment and for mining operations, estimation of soil erosion need to be carried out to create a good mine planning. For the early stage, a study of soil erosion was performed to classify erosion hazard level and to estimate soil erosion size. This study uses the Revised Unified Soil Loss Equation (RUSLE) method supported with Geographic Information System application for study area in the Block D1-D3 of Petea Mine Area. The study result showed that the research area can be classify into four erosion hazard level namely; low, medium, heavy, and very heavy with estimated material losses is 116,146.43 tons/year.

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