Abstract
As one of the only Cambrian Terreneuvian rock stratas in southern Liaoning, the Dalinzi Formation is of great significance for studying the evolution of the Early Cambrian sedimentary basin and the global sea level change in North China. Taking the Zhaokanzi section as an example, the sedimentary facies of the Dalinzi Formation in southern Liaoning were identified, and then the sequence stratigraphy was studied. The study suggests that the Dalinzi Formation is formed in the lagoon and tidal flat sedimentary environment, and a three-level sequence and several parasequences and parasequence sets can be divided. The relative sea level changes and sedimentary basin evolution are discussed.
Highlights
The southern Liaoning is located in the southern part of the Liaodong Peninsula
This paper adds and corrects some of the contents of the Dalinzi Formation based on the Zhaokanzi section in the literature [4]
highstand system (HST) consists of 5 parasequence sets (PSS), and each PSS is internally composed of several parasequences (PS)
Summary
The southern Liaoning is located in the southern part of the Liaodong Peninsula It is a typical developmental area of the Paleozoic Cambrian strata in Liaoning. The Dalinzi Formation is one of the only 2 rock stratas in the Cambrian Terreneuvian system in the region. It is only exposed in the Jinzhou and Wafangdian areas of Dalian. In the paper of 2018, the author studied the sequence stratigraphy of the Dalinzi Formation in Fuzhou [4]. The environment, sequence stratigraphy and its internal structure are discussed
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