Single-Grain Evaporation Zircon Pb-Pb Ages of Guandi Complex, Zhoukoudian Area, Western Hills of Beijing: Archaean Genesis and Cratonization Events of the North China Craton

• 北京西山周口店关坻杂岩蒸发法锆石Pb-Pb年龄:太古宙成因和克拉通化事件证据