Shanhujing Gr
Type Locality and Naming
The type section is located at Shanhujing in Subei country, Gansu. It was named by compilation group of regional stratigraphic table of Gansu province in 1980.
Synonym: Coral Well Gr. It has also been named as Erduanjing Group by Gansu District Test Team 2 in 1965.
Lithology and Thickness
The Shanhujing Gr, 752 m thick, is mainly composed of gray, grayish-green pebbly sandstone, greywacke, arkose and calcareous shale.
Relationships and Distribution
Lower contact
The Shanhujing Gr is conformable in contact to the underlying Erduanjing Gr with a bed of grayish-green coarse pebbly sandstone.
Upper contact
It is cut off at the top. Next higher unit is uncertain. Regionally, it might be the Boluo Gr of Middle Jurassic?.
Regional extent
The formation is restrictively distributed in eastern Gelujing to Erduanjing in Subei Country.
GeoJSON
Fossils
It yields plant fossils including Bernoullia? zeilleri, Cladophlebis kaoiana, C. raciborskii.
Age
Depositional setting
It is interpreted as a fluvial-lacustrine environment.
Additional Information