Zircon U-Pb Ages of Tonalite in Faku,Liaoning Province,China,and the Early Paleozoic Magmatic Activity in the North Margin of the North China Craton

摘要

Objective Due to the Meso-Cenozoic Songliao Basin coverage,the Early Paleozoic continental-margin accretionary belt has not been detected in the middle of the north margin of the North China Craton (Liu et al., 2017a, b).