论太行山地貌系统

Geomorphologic system in Taihang Mountain area

论述了太行山地貌系统的发育背景,地貌特点,形成条件和特征。提出太行山地貌是一种阶梯状地貌。一个完整的太行山地貌系统,在地层上,应包含华北地台基底和中元古界—寒武系—奥陶系盖层。在地貌形态上,发育众多的峡谷群;通常在峡谷下部,常为深切的河谷,或嶂谷;在中部,峡谷较为宽阔,两侧地形缓坡之上为陡峭的山坡,高耸的崖壁,即断崖、长崖;顶部,常见平缓的台地或平台以及长脊、长墙。

This article elaborated Geomorphologic system growth Background,Geomorphologic features,forming condition and the Characteristic of Mt.Taihang.The Geomorphologic of Mt.Taihang is Step-shaped.A complete Mt.Taihang Geomorphologic system,on the stratum,should contain the North China platform basement and Middle proterozoic Erathem-Cambrian system-Ordovician system caprock.In the Geomorphologic shape,it grows the multitudinous valley group.Usually the lower part of the canyon is the cuts river valley,or screen valley;the middle part is broad,and the upper part is platform,or long ridge,long wall.