basin karst

基本解释

The Wenshan basin is karst faulted basin, the main rock is carbonate, clay and clastic.
文山盆地属于岩溶断陷盆地，研究区基岩主要为碳酸盐岩、粘土岩与碎屑岩。
In Guanghua basin karst collapse is mainly due to excessively pumping groundwater, mining or heavy rains;
岩溶塌陷主要是由于过量抽取地下水或矿山疏干排水、地下采空、暴雨触发；
There are two systems in Guanzhong basin, karst thermal water system on the north of Wei river faults and large deep faults thermal water system on the south of Wei river faults.
其中渭河以南地热系统又分为盆地中部“净热水”亚系统与秦岭山前混合热水亚系统。