华北地台北缘西段广泛分布新太古界乌拉山群、中-新元古界渣尔泰山群(狼山群)和海西期以来中亚造山过程中形成的大量中-酸性侵入岩。在渣尔泰山群(狼山群)中产有东升庙、炭窑口、甲生盘、霍各乞等重要大型~超大型Zn-Pb-Cu-Fe多金属硫化物矿床和朱拉扎嘎金矿床(图1)。该区经历了~新太古代结晶基底形成、中元古代被动大陆边缘裂解(翟裕生等,2002;翟裕生等,2004;翟明国等,2000;赵国春等,2002;Zhai Mingguo et al.,2007)、新元古代进一步拉张~沉陷(彭 The western part of North margin of North China platform is widely distributed in the Neo-Archean Wulashan Group, Meso-Neoproterozoic Zardezhan Group (Langshan Group), and a large number of Meso-Acidic intrusive rocks formed during the orogenic process in Central Asia since the Hercynian Period. In the Zhaltai Group (Langshan Group), there are Dongshengmiao, Charcoal Kiln, Jiaoshiban, Hokuto Bei and other important large-super-large Zn-Pb-Cu-Fe polymetallic sulphide deposits and Zhulazagajin Deposit (Figure 1). Zhai et al., 2004; Zhai Mingguo et al., 2000; Zhao Guochun et al., 2002; Zhai Mingguo et al., 2007). This zone experienced ~ Neo-Archean crystalline basement formation and Mesoproterozoic passive continental margin cleavage (Zhai et al., 2002; , Neoplasm further pull ~ subsidence (Peng