本文通过对庙岛的大黑山岛黑石沟、北庄剖面及辽东半岛金州大魏家、于家崴子四个黄土剖面中的软体生物、微体生物化石特点、来源与分布的分析，探讨了胶、辽半岛海岸带黄土的物源、分布规律以及垂向剖面上古生物化石的丰度变化与古气候、古海面之间的关系。 Based on the analysis of the characteristics, origin and distribution of mollusks, fossils and biofuels in the four loess sections of Dawushan Island and Beizhuang section of Miaodao Island and the Weijia, Jinzhou and Liaowu Peninsula of Liaodong Peninsula, Plastic, the source and distribution of loess in the coast of the Liao Peninsula and the relationship between the abundance changes of paleontology fossils in the vertical section and paleoclimate and ancient sea surface.