贵州省黔西县太来矿区构造特征与控矿作用

Structural characteristics and ore controlling function of Tai Lai mining area, Qianxi County, Guizhou Province

通过地质钻探以及地表地质填图,本文研究了贵州省黔西县太来矿区褶皱和断裂的分布和发育特征,并根据运动学特征进行了动力学分期探讨。研究表明:矿区构造行迹可分为三期,前期形成了NE向的褶皱,然后被NE向的断层切割破坏,后期由于构造应力的改变形成了近SN向的断层;三期构造均对先期形成的矿层从完整性和空间位态上进行了破坏和改造。

Through geological drilling and surface geological mapping, this paper studied the distribution and development characteristics of fold and fracture in the mining area of Qianxi County, Guizhou Province, and discussed the dynamic staging according to the kinematic characteristics. The research shows that the tectonic traces can be divided into three stages, the early formation of the NE to the fold, and then by NE to the fault cutting damage due to late tectonic stress change formed near SN faults; the three stage structure of the early formed ore from the integrity and the state space has been performed damage and transformation.