Shujiaba Gr
Type Locality and Naming
The type section is located at the place from Shuijiaba of Tianshui County to north Mayanhe River of Hui County, Gansu Province. It was named by Shaanxi Geological Survey in 1968 and was published by Zou Guocao in 1983.
Lithology and Thickness
Flysch. The group is mainly characterized by a series of flysch deposits of alternating grayish-green silty slate and thin- to medium-bedded fine-grained sandstone and siltstone. In the type area, the Shujiaba Group has an incomplete thickness of 4618 m.
Relationships and Distribution
Lower contact
The Shujiaba Group has an incomplete thickness of 4618 m, and has a fault contact to the Carboniferous Danfeng Group on both its north and south sides.
Upper contact
Faulted.
Regional extent
GeoJSON
Fossils
In the Dahezhuang and Suojiaping, it contains spores Gradispora comuta, Tumulispora rarituberculata, Kraeuselisporites mitratus, and plant Cyclostigma kiltorkense.
Age
Depositional setting
Flysch
Additional Information