Abstract :The Yangtze paraplatform is a large craton characterized by development of carbonate formations.Typical Sinian to Middle Triassic cover sediments contain many carbonate formations.

• 提要： 扬子准地台为大型克拉通碳酸盐发育的地区，从震旦系到中三叠统为典型盖层沉积，其中许多地层中不乏碳酸盐沉积。