Yingshan Fm
Type Locality and Naming
The type section is on the northern slope of Yingshan Hill at the boundary of Kalpin County and Wushi County, Xinjiang. The Yingshan Fm was named by Zhou Tianrong in 1990, and was published by Zhao Zhixin and Zhang Guizhi (1990).
Synonym: (鹰山组）
Lithology and Thickness
The Formation is composed of gray pelmicrite and algal clotted micrite limestone intercalated with micritic calcarenite and laminated micrite. In the type area, the Yingshan Fm is 163 m thick.
Relationships and Distribution
Lower contact
It rests conformably on the medium-bedded dolomite of the Penglaiba Fm
Upper contact
It is conformably overlain by the banded siliceous micrite at the base of the Dawangou Fm
GeoJSON
Fossils
This stratigraphic unit yields the conodont zones of Zhou et al. (1990) and Zhang (1991), including Serratognathodus diversus assemblage and Paroistodus originalis assemblage as well as trilobite Megalaspides sp.
Age
Depositional setting
Additional Information