Shulehe Fm
Type Locality and Naming
Jiuquan Basin. Named the Shulehe Series by Sun Jianchu in 1942 and renamed the Shulehe Formation by Yu Boliang in 1952. Located in the vicinity of Laojunmiao-Shiyougou, Yumen City, Gansu.
Lithology and Thickness
A sequence of piedmont-fluviolacustrine deposits, consisting of grayish yellow or grayish white conglomerate, pebbly sandstone and sandstone and brownish red sandy mudstone with shale. The thickness is 1855 m. Its thickness is 700 m in the Jiuquan basin and 500 m in the Qilian Mountains and may reach a maximum of 1800 m.
Relationships and Distribution
Lower contact
It has an unconformable contact with the underlying Oligocene Baiyanghe Fm.
Upper contact
It has an unconformable contact with the overlying Quaternary Yumen Fm.
Regional extent
It is mainly distributed in the Jiuquan basin and the Qilian Mountains.
GeoJSON
Fossils
Gastropods: Hydrobia; Mammals: Chilotherium, Hipparion;
Age
Depositional setting
Piedmont-fluviolacustrine deposits.
Additional Information