• 责任者：Yang Zhongzhi (No.203 Research Institute ; CNNC ; Xianyang 712000 ; China) ; Xie Congrui
• 刊名：Northwestern Geology
• 出版年：2013
• 卷期：46(4)
• 关键词：南华纪 ; Nanhua Period ; 寒武纪 ; Cambrian ; 沉积环境 ; sedimentary environment ; 陕西 ; Shaanxi Province ; 河南 ; Henan Province ; 湖北 ; Hubei Province
• 页码：p.42-48
• 图表：1 illus., 1 table, 17 refs.
• 分类号：1200
• issnNo：ISSN1009-6248
• isbnNo：CN61-1149/P

     According to the systematic investigation of the cross-sections in the boundary areas of Shaanxi, Henan and Hubei provinces, a new division of Nanhua-Cambrian is made on the previously measured sections in the area. It is suggested that the Liantuo formation of Nanhua era should exist in the district. The upper Cambrian should be restored as a formation name, and Shiwenzi formation should no longer represent both Wugongya formation in upper Cambrian and Shuihetian formation in lower Ordovician, due to the fact that the Shiwengzi formation in Zhashui area is merely magnesian carbonate deposits without fossils, located above the carbonaceous and silicious slate. According to the collected fossils and relics, the Cambrian can be clearly divided into lower, middle and upper （including Furongian） parts. The lithofacies palaeogeography features of each formation are systematically described, and provide significant foundation for regional strata division and provincial comparison.