The Early Precambrian rocks are the important constituent of old metamorphic terrains in Liaoning province, mainly in metamorphic facies higher than greenschist and locally reaching granulite facies.

• 摘要早前寒武纪变质岩系是辽宁地区古老变质岩系的重要组成部分，变质程度高于绿片岩相，局部可达麻粒岩相。