摘要
泥灰质岩石区岩溶地貌是地貌研究的薄弱环节。本文以三峡地区为例 ,提出了该区泥灰质岩石分布区广泛发育的漏斗状沼泽凹地、脖颈状岩溶地貌、两沟之间的槽状谷地和溶蚀台地 4种地貌形态 ,探讨了这些地貌的成因 ,并指出各种岩溶地貌之间的相互关联和叠加。岩溶地貌的发育与岩溶地质灾害有着密切的关系 ,因此这一研究对泥灰质岩石区的工程建设 ,特别是三峡移民迁建具有重要的意义。
A study on karst landform in mud limestone terrain is a vulnerable sector in geomorphology. Taking the Three\|Gorge region, Yangtze River, as an example, the research represented four types of landform and discussed their genesis, which were funnel\|shaped marsh sinkhole, neck\|shaped karst landform, uvala between two gullies and dissolution tableland. A number of instance was described,which demonstrated the four types of landform being broadly developed in the region. The connection and overlap between these types of landform were dealt with too. The study might have a great significance for the engineering construction in mud limestone terrain, especially in population resettlement project in Three\|Gorge Reservoir region, because the landform must have a close relation with karst geo\|disasters.
出处
《地质科学》
CAS
CSCD
北大核心
2002年第3期288-294,319,共8页
Chinese Journal of Geology(Scientia Geologica Sinica)
基金
三峡移民开发局基金项目 ( 970 7
990 4 )。
