摘要
1∶2 5万甘孜县幅区调将测区推覆构造划分为岗嘎逆冲推覆构造和雀儿山滑覆构造。岗嘎逆冲推覆构造由三个叠瓦状排列的推覆片体组成 ,由南西向北东挤压推覆 ,具后展式叠瓦扇的特征 ,属B型俯冲推覆类型。雀儿山滑覆构造为测区内逆冲推覆、地壳大幅压缩抬升之后造成的重力不均衡的产物 ,属重力滑动滑覆构造类型 ,其滑移方向为北西向南东。
The 1∶250 000 regional geological survey divides the nappe structures in the Garzê quadrangle into Gangga nappe structure and Chola Shan gliding-nappe structure. The Gangga nappe structure consists of three imbricated nappe sheets which are characterized by northeastwards thrust poststressed imbricate fan, belonging to B-type subducted nappe. The Chola Shan gliding-nappe structure resulted from gravity disequilibrium after regional nappe and large-scale crust compression, belonging to gravity-gliding type gliding-nappe structure. It was gliding southeastwards.
出处
《四川地质学报》
2001年第4期193-198,共6页
Acta Geologica Sichuan
