The result shows that the texture and structure and grain size of the loess in Zhaitang basin are similar to those of loess on the middle reach of the Huanghe River. They are of eolian deposition.

• 研究结果表明，斋堂盆地的马兰黄土同黄河中游的马兰黄土在组织结构、构造以及颗粒成分上极为类似，同属风成沉积；