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根据辽河岩群杨树沟岩组叠层石指向研究、盖县亚岩群晚期收缩阶段构造样式分析、辽河岩群南北区域地层特征对比以及南北区域差异的原始沉积探讨四个方面，进一步说明南北辽河岩群是相变而不是上、下关系
Based on the study of the stratotypes of the Yangshugou Formation in the Liaohe Group and the tectonic style of the Late Shrinkage stage of the Gaiyan Group, the stratigraphic features of the Liaohe Group between North and South regions and the primary sedimentary study of the regional differences between North and South, Liaohe rock group is the phase change rather than the upper and lower relations