Shiqiao Fm
Type Locality and Naming
The type section is located near Shiqiao Town, Cangwu County of Guangxi Zhuang Autonomous Region. It was named by Guangxi Geological Survey in 1974.
Lithology and Thickness
Sandstone, siltstone. The Formation is mainly characterized by purplish-red, purplish-gray and grayish-yellow medium- to fine-grained sandstone and siltstone with intercalations of muddy siltstone, silty shale, mudstone and dolostone, and it has a basal conglomerate and pebbly sandstone with a few beds of oolitic ironstone.
It is 288 m thick.
Relationships and Distribution
Lower contact
It rests unconformably on the Cambrian.
Upper contact
Regional extent
GeoJSON
Fossils
It contains plant fossils: Taeniocrada decheniana, Zosterophyllum sinensis, Drepanophyllum sp., and bivalves can be found at the base.
Age
Depositional setting
Additional Information
The Formation is thought to be Early Devonian, corresponding to the Nagaoling Fm plus Yujiang Fm.