【摘要】 通过对岷江上游茂县以北马脑顶—两河口段 1∶1万地质剖面的测制和 1∶2 .5万地质测绘 ,系统地揭示了该段滑坡和崩塌堆积的特征。在此基础上 ,分析了滑坡、崩塌形成的控制因素 ,认为岩性、构造、地震等为滑坡、崩塌形成的主要控制因素。最后对该河段内主要滑坡、崩塌堆积体的稳定性进行了初步评价更多还原

【Abstract】 Based on 1∶25000 geological mapping and measurement of 1∶10000 geological cross section along Manaoding-Lianghekou,upper reaches of Minjiang,the distribution of the landslides and avalanches have been mapped and their characteristics have been systematically studied.The controlling factors of the formation of the landslides and the avalanches are considered as the lithological features,structures,neotectonic movements,earthquakes,stroms and human engineering respectively, in which the first four factors are the main ones leading to the formation of the landslides and the avalanches.更多还原