安徽淮北晚古生代煤系的植物化石组合

Fossil Plant Assemblages in Late Paleozoic Coal Seriesin Huaibei Coalfield

本文通过所采集的大量植物化石,讨论了安徽淮北地区太原组、山西组、下石盒子组及上石盒子组植物群特征,并划分为四个植物化石组合。同时根据植物群面貌、孢粉组合、含煤性及岩石地球化学特征,可将k_3砂岩作为上。

A discussion is given of the features of a big collection of fossil plants sampled in Huaibei and a clssification is accordingly made of the collection into four assemblages. that of Taiyuan Formation , that of Shanxi Formation, that of upper Shihezi Formation and that of Lower Shihezi Formation. In anddition, sandstone layer K3 is marked as the boundary between the latter two assemblages as the flora assemblage features, sporo pollen assemblages, coal-bearing fproperties and rock geo-chemical characteristics are found quite different above and below