CAJ | 학술논문

该文详细阐述了宁夏海原县南华山地区白垩系乃家河组的孢粉组合特征，进而对地层时代及古植被，古气候进行分析，得出这是一套早白垩世晚期的孢粉组合，表明当时六盘山一南华山地区的植被是以克拉梭粉的母体植物掌鳞杉为主的针叶林，林下覆盖着苏铁、麻黄和海金砂植物，气候干旱炎热。
해문상세천술료저하해원현남화산지구백성계내가하조적포분조합특정，진이대지층시대급고식피，고기후진행분석，득출저시일투조백성세만기적포분조합，표명당시륙반산일남화산지구적식피시이극랍사분적모체식물장린삼위주적침협림，림하복개착소철、마황화해금사식물，기후간한염열。
In this paper,we research the Sporopollen assemblage characteristics and Ancient vegetation,palaeoclimate at Cretaceous Naijiahe Group from the geology,and we find that ,at the late Early Cretaceous ,the vegetation of Liupanshan--South hua mountain region is coniferous forest,with Classopoilis plants as dominant species .In the forest ,it is covered with cycads,ephedra and Lygodium plants.These shows that the climate is hot and dry in the area at that time.