What is the cause of sinkhole seam formation?
访客8个月前
Tiankeng fracture was formed in karst geomorphologic area, which is mainly caused by rock dissolution and geological structure change. Dissolution causes soluble rocks to dissolve and form caves and underground rivers; crustal movement causes rock fractures that provide channels for groundwater flow. This accelerates the dissolution process. Human activities such as over-exploitation of groundwater, deforestation will also affect its formation....