1·The sedimentary systems were divided according to the characteristics in rock types, color and authigene.
根据岩石类型、颜色、自生矿物等特征，对沉积体系进行划分。
2·The sedimentary systems were divided 7 facies and 12 subfacies according to the characteristics in rock types, color, authigene and biological fossil.
根据岩石类型、颜色、自生矿物、生物化石等特征，进一步将上古生界沉积体系划分为7种沉积相和12种沉积亚相。