本期论文“华北克拉通南缘约2.5Ga构造变质事件及意义”(曹正琦等),对于探讨华北克拉通太古宙晚期的构造演化具有重要意义.华北克拉通新太古代末期到早元古代早期构造-岩浆热事件的性质,是中国早前寒武纪地质学领域的重大科学问题和区域热点之一.华北克拉通约2.5Ga构造岩浆热事件广泛发育,但 This paper is of great significance to the study of the tectonic evolution of late Archean in the North China Craton, “about 2.5Ga tectonic metamorphic events and significance on the southern margin of North China Craton” (Cao Zhengqi et al.), The nature of early ancient tectonomagmatic events is one of the major scientific issues and regional hotspots in the area of ​​early Precambrian geology in China.The thermal events of about 2.5 Ga tectonic magmatic events in North China Craton have been widely developed,