陕西南部黄土高原黄土地层中的两个特殊构造及实践意义

Two Sqecial Constructions and Its Practical Senses Among the Loess Stavatum in the South of Shaanxi Loess Plateau

以野外调查材料和工程地质勘察及人工大型切坡后出露的剖面等资料为依据,给出黄土高原南部黄土地层中存在的两个特殊构造。即黄土层中棕红色古土壤条带的特殊厚度和间距;黄土层中的镶嵌构造,论述了特殊构造的形态、成因、结构和地貌部位。

On the basis of the abservation and reconnaissance of engineering geology in field as well as of the arcificial sections etc., two special constoructions of special thickness, distance and mosaic structure of brownish red paleosoil among loess stavtum in the south of Loess plateau described. This paper expounds their form, cause, structure and seat of landforms and also points out the important significance of the special constructures on production practics.