摘要
笔者在伊春红山附近红山组剖面采集了丰富的植物化石.经研究,计有25属58种。大大丰富了前人报道的本组植物化石的内容.分析所获资科,进一步阐述了红山组植物群的组成特征,认为其时代为晚二叠世,而不仅限于晚二叠世晚期.根据过去的化石资料分析.笔者认为“三角山组植物组合”的时代亦为晚二叠世,而不限于晓二叠世早期.在此基础上,本文认为红山组与黄本宏划分的三角山组下部。在岩石组合特征及时代上可以对比.
58 species of 25 genera of fossil plants from the Hongshan Formation in the vicinity of Hongshan, are discribed by the writers. So the content of fossil plants in this formation is greatly enriched. On the basis of analysis of the materials obtained, the writers discribe the compositional characteristics of the flora, and demonstrate that it belongs to Late Permian, but not strictlly restricted in late Late Permian. According to the past record of fossil materials, the writers believe that the geologic age of the Sanjiaoshan plant assemblage is also Late permian , not restricted in early Late Permian as usually believed. The writers believe that the Hongshan Formation is correspondent with the lowerpart of the Sanjiaoshan Formation subdivided by Huang Benhong in rock assemblage and in age.
关键词
晚二叠世
植物群
红山组
黑龙江
flora of the Hongshan Formation, plant assemblage of the Hongshan Formation, plang assemblage of the Sanjiaoshan Formation
