湘西花桥—大江口地区推覆构造特征

Thrusting structures in Huaqiao-Dajiangkou area, western Hunan

湘西北地体与湘中地体碰撞拼贴带北西侧的前陆冲折带上发育一系列叠瓦状排列的逆冲推覆构造 ,向北西方向推覆 ,具双重逆冲推覆特征。叙述了该地区推覆构造的基本特征及其对中生代陆相红盆的形成、演化过程的控制和改造。

In the Huaqiao-Dajiangkou area, there are developed a series of imbricated thrust nappes on the foreland faulted belt northwest of the collision zone between the northwestern and central Hunan terrains. These nappes characterized by a double thrusting were thrusted to the northwest. The present paper deals with the basic characteristics of the structures and their control and effect on the formation and evolution of the Mesozoic red continental basin in this area.