摘要
青海北祁连区西大沟组孢粉组合含有83属110种(类型),包括2新种,其中蕨类植物孢子为33.6%,裸子植物花粉为50.5%,疑源类为15.8%。本组合以 Apiculatisporis-Cordatina-Schizosporis 较多为特征;地质时代为早三叠世。
There are 83 genus and 110 species,including two new species,in the sporo- pollen assemblage of Xidagou Formation in North Qilian,Qinghai province.In the sporo- pollen assemblage,Pteridophyta make.up 33.6 percent,Gymnospermatophyta 50.5 percent, and Acrilarchs 15.8 percent.The assemblage is characterized by more Apiculatisporis-Cor- daitina-Schizosporis and belonged to Early Triassic Epoch.
