摘要
在我国西南地区许多水电站坝区岩体中,缓倾角的层内错动带发育相当普遍,它们对岩体的局部稳定性起控制作用。在某玄武岩坝址区,发育有几种类型的层内错动带,本文对其中的石英绿帘石型层内错动带的成因进行了初步探讨。
In rock mass in damsite areas of numerous hydropower stations at southwest region in China,intraformational faulted zones with low dip angle are generally developed,which play a decisive role in stability of rock mass.At a basult damsite area,several types of intraformational faulted zones are developed.The genetic analysis on intraformational faulted zones of quartz acanthconite are discussed preliminarily.