Abstract: Baced on the exploration material of Shuangyashan and Dongrong group stratum,and fossil composition and lithofacies character,the distribution state of Dongrong group stratum is approached.

• 文摘:以双鸭山以北集贤煤田绥滨、东荣勘探区及双鸭山以南部分煤田勘探区及双鸭山煤田七星勘探区所见钻孔资料为基础，通过化石组合及岩相特征探讨东荣组地层的分布情况。