At the end of Triassic period, the marine sedimentation on Qaidam Massif (including its surroundings) has ended, and interior basin started to develop in Qaidam area.

• 三叠纪末的印支运动结束了柴达木地块及其周缘地区的海相沉积史，使柴达木地区进入陆内盆地发育新时期。