| Xikuangshan antimony ore mining area has more than hundred years history. Its mining activities were caused by the destruction of groundwater systems, mining wastewater of waste pollution by the environment, occupation and destruction of land resources and geological environment problems such as landslides, collapses, ground subsidence which are more serious. This paper is based on the theory of geological and environmental science used to strengthen mining environmental protection and the protection of mine sustainability development. Another goal is related to geographic data Remote sensing data and field monitoring data for mining areas are the main source of information. With GIS technology to interpret and deal with related map data, mining geological environmental problems in the studied areas are analyzed, and using DIMINE digital mining software as a platform and using database technology, graphical operational functional analysis builds the 3D visualization of entity models in mines. Mining areas number 1, 2 and 3 are for surface subsidence prediction. The main achievements are as follows:Through a system used to collect precious existing research results, combined with field investigation results, the study area fields monitoring data by means of remote sensing interpretation, comprehensive analysis and summary of mine geological environment. The Xikuangshan antimony deposit area geological environment problem is more, especially in the land occupation, surface collapse, water system, water and soil pollution are three geological environment problems.From 2009 to 2012, mining was done by monitoring data of system analysis, drawing plane contour maps, grounding settlements that roof lithology and thickness and the degree of weathering and mining pillar; acid mine water, mining depth and mining thickness ratio, etc., is were dominant factors for the formation of surface collapses. In addition to sudden small sunken pits, the ground deformation value was 1-2 cm/year commonly, maximum5cm/year,Iinfer that with the increase of mining depth and mining area,as well as the extension of time, there may be a new collapse.Through analysis of the system of mining area groundwater damage, mine water filling sources was thought to be mainly due to silicified limestone in the fractured zone of surrounding rocks and limestone karst fissure water. A large amount of water in the process of mining of groundwater, led to a fall in the mining area of the underground water level. Spring flow reduced the formation of surface supplies landing funnel, etc; Waste residue and waste water discharged, leading to soil polution in the water mining area. Pollution levels have obviously been on an increasing trend.Based on the mining area land resources remote sensing image interpretation of the comparative analysis of land change trend in 2010 and 2014, I recken that as th e mine production progresses, backfilling mining and solid waste land area have a te ndency to further expand.Based on the GIS technology with Dimine software as the platform, a 3D digital model of mine was built with remote sensing images of Xikuangshan antimony deposit surface area, geological structures and mining geological environmental problems caused by mining. 3D visualization results show preliminarily.Combined with geological drilling database construction, the DTM mine surface model was built as well as a model of underground rock, an orebody model and a mining roadway model. Based on the model of the fusion and correction, using numerical simulation methods, the numbers 1, 2 and 3 underground mining areas in the scope of the surface subsidence and subsidence prediction research.Put forward to strengthen the Xikuangshan antimony deposit geological environment protection and restoration of governance research proposals. |
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