allochthon

allochthon

1. The dip of the minimum reflectance (R_c) in the allochthon turns from NNW to WNW, indicating the state of stresses in the frontal zone of nappe.

外来系统中最小反射率的倾向由北北西转至北西西,代表推覆体前锋带的应力状态;

2. The allochthon consists of the Presinian,Sinian and Cambrian system.The autochthon comprises the Devonian and Carboniferous system.

推覆构造的外来系统为前震旦系、震旦系和寒武系，原地系统为泥盆系和石炭系。