CHƯƠNG III NƯỚC DƯỚI ĐẤT TRONG ĐÁ NỨT NẺ VÀ KACSTƠ HOÁ October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- Limestone Caves Groundwater dissolves rock, especially when that rock is limestone Acidic groundwater follows lines of weakness in the limestone When the water table, stalactites and stalagmites can form on the roof and floor, respectively October 6, Dr Nguyen Dinh Tu- Limestone Caves October 6, Dr Nguyen Dinh Tu- Limestone Caves October 6, Dr Nguyen Dinh Tu- Karst Topography Areas on Earth that have landscapes shaped by the dissolution powers of groundwater are called karsts October 6, Karst areas have many depressions called sinkholes Dr Nguyen Dinh Tu- Cactơ phát sinh vùng đá bò hoà tan nước cacbônat, sunfat, muối mỏ muối Kali Cần phân biệt Cactơ cacbônat, Cactơ sunfat Cactơ clorua October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu- October 6, Dr Nguyen Dinh Tu-