Sedimentation combination of the surrounding rocks suggests that they are formed in deep ocean basin environment, which belongs to rift valleybasin.
矿化围岩的沉积组合反映其形成于较深海盆地的环境，为裂谷盆地构造背景。
2
Multi-level lakeshore piled terraces or base terrace, lake sediments and high level paleo-lacustrine sediments distribute in the Lake Zhaling and Lake Eling valleybasin.
在扎陵湖和鄂陵湖谷地分布着多级湖岸堆积阶地或基座阶地、多级湖相沉积和古高位湖相沉积；
3
The city of Guiyang is located in a wide karst valleybasin in the central part of Guizhou Plateau, where carbonaceous rocks are developing and karst groundwater sources are abundant.