1. Total 40 surface argillaceous sediments were collected along major and branch channels of the Red River for measuring major and trace elements. 本文通过开展红河盆地干流和主要支流40个样品的主要和微量元素地球化学分析。
2. On the basis of predecessors' researches, this article studies the correlation between evolvement stages and sealing ability of the argillaceous rock. 在前人研究成果的基础上，针对目前天然气勘探研究的现状，总结确定了泥质岩演化阶段与封堵性能的对应关系。
3. The insulating layers of Xinglongtai dense oil horizon in Shuguang District, Liaohe Oilfields could be divided into three types such as mudstone, sandy mudstone, argillaceous sandstone. 辽河油田曙光区兴隆台稠油油层中隔层按岩性可分为泥岩类、砂（粉砂）质泥岩类、泥质砂（粉砂、砾）岩类。
