闽西地区某金铜矿区深部水文地质特征研究

Study on deep hydrogeological characteristics of a gold copper deposit in Western Fujian

矿区深部水文地质条件较简单,地下水类型主要为松散岩类孔隙水、基岩裂隙水和断裂构造水三大类,且100m标高以下深部铜矿床大部分为隔水带,仅含少量基岩裂隙承压水。矿区控水构造主要为北东向、北西向及东西向断裂构造,富水性弱,导水性较差,以不导水和局部导水为主;深部资源开采后,可形成降落漏斗的最大半径为1.6km。

The deep hydrogeological conditions of the mining area are relatively simple.The groundwater types are mainly loose rock pore water,bedrock fissure water and fracture structure water.And the deep copper deposits below 100m elevation are mostly watertight zones,and only contain a small amount of bedrock fissure confined water.The water controlling structures in the mining area are mainly NE trending,NW trending and EW trending fault structures with weak water enrichment and poor conductivity,mainly non-water conduction and local water conduction.After deep resource exploitation,the maximum radius of the descending funnel can be formed is 1.6km.