slickensided clay

Based on fern spores,pollen and algae records of the first hard clay layer from HM core,three palynomorphs assemblages were recognized and climate conditions during the LGM were discussed.

通过对长江三角洲东部地区鹤鸣孔第一硬黏土层的孢粉、藻类分析,研究了该地区末次盛冰期的气候波动。

We gave it an accurate scientific definition and named it "the fissured clay".

首次对在南水北调山东境内黄泛冲积平原区分布的一类高液限黏土进行了系统性研究,定名其为"裂隙黏土",并给其一准确、科学的定义。