Analysis of Zhaojiawan Antimony Mine in Dangchang County,Gansu Province
Mining area is located in the southeast of Gansu province dangchang county and li county junction,administrative divisions of bamboo garden township jurisdiction,work area for the west qinling Zhongshan forest landscape,almost covered by shrubs and trees,mountain,steep terrain,terrain overall west high east low,north high south low,terrain cutting,the northern mountain area of the highest 2778.5m,elevation difference 800m～1200m,mountain features.The main river in the area is Baiguan River,which flows into the southeast of the Western Han Dynasty,which can meet the needs of life and production.Mining slag heap are unstable slope geological hazard area,steep slope,high difference,individual slag heap has a lot of rock cracks,encounter heavy rainfall weather and other geological disasters under the influence of external force,very easy to collapse,for the slag bottom mountain residents production and living threat,and heavy metal ions in the slag may in rain erosion,melting,groundwater and soil pollution,mining activities to the landscape environment,mining groundwater surface water are different degrees of overweight(contrast surface water,groundwater standards),environmental geological conditions of medium.
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