锦屏隆里地区剪切构造变形的初步研究

在隆里地区新元古界下江群中发育有剪切变形的构造，形成脆－韧性剪切带（过渡性剪切带）。按其产状可分为切层和顺层过渡性剪切带两类，具有较典型的脆性－韧性变形的宏观和微观特征。此类变形是地壳浅层次剪切构造作用产物，显示了江南造山带外带的特征

A Study on the Shear Structure Deforma tion of Longli Area in the Jinping Guizhou

There occur shear deformation structures developed in the Xiajiang Group of the neoproterozoic erathem in the Longli area, and form the brittle-ductile shear zone. In terms of its occurrence, there is a division of two types between the bedding transition shear zone and conform one and,which take on typical macro and micro features of brittle-ductile deformation. This type of deformation is the outcome of the movement of the crustal shallow secondary shear structure and manifests the characteristic of the Jiangnan orogenic outer zone.