华北上寒武统崮山阶研究新进展

NEW ADVANCE IN THE STUDY OF THE UPPER CAMBRIAN KUSHANIAN STAGE OF NORTH CHINA

崮山阶的层型剖面在山东济南市长清区崮山镇东北的唐王寨,damesellid类三叶虫的出现标志崮山阶的开始,崮山阶包括了Damesella paronai、Blackwelderia paronai和Drepanura premesnili3个三叶虫带。

The stratotype of the Upper Cambrian Kushanian （ Gushanian ） Stage located at Tangwangzhai hill near the Gushan Town of Jinan, Shandong. The authors consider the appearrence of the damesellid trilobite is taken as the beginning of the Gushanian Stage, and the boundary between the Kushanian （ Gushanian ） Stage and the Changhian （ Zhangxian ） Stage is different from the boundary the Kushan （ Gushan ） Formation and Changhia （ Zhangxia ） Formation. The Kushanian Stage contains three trilobite zones： Damesella paronai Zone, Blackwelderia paronai Zone and Drepanura premesnili Zone.