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大陆壳约75％的地区是沉积岩,沉积岩的15％是由碳酸盐矿物含量超过50％的碳酸岩所构成。碳酸岩与碳酸岩系是岩溶作用的物质基础。水对碳酸岩的溶蚀是使岩体产生各种地表和地下的岩溶现象的主要作用过程。本文将通过碳酸岩的溶蚀试验及溶解试验的成果来进一步说明不同类型碳酸岩的相对溶解速度及在各种水地球化学环境中的溶度,并讨论它们与岩溶发育的关系。
About 75% of the continental crust is sedimentary rock, and 15% of sedimentary rocks are composed of carbonate rocks with over 50% carbonate minerals. Carbonates and carbonate rocks are the material basis of karstification. Water erosion of carbonate rocks is the main process that causes rock mass to produce various surface and underground karst phenomena. In this paper, we will further explain the relative dissolution rates of different types of carbonate rocks and their solubility in various hydrogeochemical environments through the dissolution tests of carbonate rocks and the results of dissolution tests, and discuss their relationship with karst development.