On the basis of lithofacies palaeogeographic map, the sedimentary and lithofacies palaeogeographic characteristics of the middle Yangtze region during the Late Sinian and Early Cambrian are also described.

• 晚震旦世岩相古地理格局由碳酸盐台地（鄂中台地）和南边的台缘盆地组成。