Zhangbagou Fm
Type Locality and Naming
The type section is lies at Heiwuling of Zhangbagou, 8 km west of the Majiaoba Railway Station, Jiangyou, Sichuan. It was named by Yang Shipu and Jiang Jianjun in 1987.
Lithology and Thickness
Limestone. White moderately thick- to thick-bedded crystalline limestone, occasionally intercalated with purple calcarenite. Thickness 36.4−89 m.
Relationships and Distribution
Lower contact
Conformable contact with the underlying Zongchanggou Fm
Upper contact
Conformable contact with the overlying Upper Carboniferous Huanglong Fm
Regional extent
This formation is stable in lithology and widely distributed along Jiangyou and Tongkou of Beichuan, with Zhangbagou of Jiangyou being the best developed.
GeoJSON
Fossils
Brachiopods Striatifera striata, Gondolina weiningensis, Gigantoproductus edelburgensis, G. jiangyouensis, Guizhouella majiaobaensis and Athyris expansea,
Age
Depositional setting
It is interpreted as neritic deposits
Additional Information