摘要
We have carried out systematic field investigations on calcareous concretions in the loess sections of Luochuan, Yulin and Weinan of Shaanxi, and Lishi and Wucheng of Shanxi as well as laboratory studies using methods of polarizing microscopy, SEM. etc.
基金
Project supported by the Xi'an Research and Development Section of Loess and Quaternary Geology of Academia Sinica.
