一条早前寒武纪的陆-陆碰撞造山带——华北克拉通北缘中西部麻粒岩相带  

A GRANULITE FACIES BELT OF THE MIDDLE-WEST PART EN NORTH MARGIN OF NORTH CHINA CRATON: AN EARLY PRECAMBRIAN CONTINENT- CONTINENT COLLISION OROGENIC BELT

作　　者：赵靖[1] 钱祥麟[2] 

机构地区：[1]中国地质大学地质系,北京100083 [2]北京大学地质系,北京100871

出　　处：《地质科学》1996年第4期342-352,共11页Chinese Journal of Geology(Scientia Geologica Sinica)

基　　金：国家自然科学基金(项目号:49302036);博士后基金

摘　　要：详细的野外调查、原岩建造、变质作用、变形作用以及同位素年代学研究表明,华北克拉通北缘中西部麻粒岩相带是我国迄今能识别的最老的陆-陆碰撞造山带的根带,可与世界上著名的南非Limpopo碰撞造山带对比。The cumulative geological data from detailed field mapping and the analyses of protolith formations, metamorphism, deformation and isotopic chronology of granulite facies rocks show that a granulite facies belt of the middle-west part in north China craton is probably recongnised to be an Early Precambrian continent-continent collision orogenic belt. It is due to collage between north China paleo-plate and Iner Mongolian paleo-plate. This belt can be compared to Limpopo belt of well-known Early Precambrian collision belt over the world.

关 键 词：造山带 陆-陆碰撞 早前寒武纪 麻粒岩相 

分 类 号：P542.2[天文地球—构造地质学]