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我国湘西黔东地区岩溶富水构造可划分为以下四种类型: 一、褶皱富水构造 本区北东、北北东向褶皱构造发育。在褶皱构造中同时分布有透水作用强的可溶性碳酸盐岩层和相对隔水的碎屑岩层,构成褶皱构造的富水条件。 (一) 向斜富水构造 1.向斜轴部或核部的富水条件:在可溶性碳酸盐岩含水层(带)之上没有隔水层复盖,向斜轴部或核部可溶性碳酸盐岩含水层厚度大,两翼地下水往轴
The karst water-rich structures in the eastern part of western Hunan province can be divided into the following four types: First, the plentiful and water-rich structures The north-eastern and northern-northeast fold structures are developed in this area. In the fold structure, there is also a well-permeable water-soluble carbonate layer and a relatively water-tight clastic rock layer, forming a water-rich condition of fold structure. (I) Tarim water-rich structure 1. Water-rich conditions in the syncline axis or core: there is no aquitard overlying the soluble carbonate aquifer (zone), the syncline axis or core solubility Thick carbonate rock aquifers, groundwater to the two wings