摘要
Based on the detailed and laboratory studies on stratigraphy, petrology and sedimentology, the late Cambrian Carbonate strata which were extensively developed in the North China platform have been divided into five third-order depositional cycles. After analysing and comparing the cycles of all the measured sections, and after discussing the main factors which controlled the cycles, the author believes that the corre-
基金
Project supported by the National Natural Science Foundation of China.
