Songshugou Fm
Type Locality and Naming
It was named by the Regional Survey Party of Liaoning Province in 1976. The naming section is located in the area of Songshu Gully of the Dadianzi Township, Tieling County, Liaoning Province.
Synonym: （松树沟组）
Lithology and Thickness
It is composed of grey-white and yellow-brown sandy conglomerate, siltstone and grey-black shale, intercalated with coal seams, with a thickness of about 236 m.
Relationships and Distribution
Lower contact
It overlies disconformably the Qianwanling Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Nankangzhuang Fm
Regional extent
The formation is distributed only in the area of the Songshu Gully in the Dadianzi Basin.
GeoJSON
Fossils
It yields bivalve fossils as represented essentially by Ferganoconcha elongata; and plant fossils as represented by Coniopteris burejensis, C. hymenophylloides, C. simplex, Cladophlebis whitbyensis, Raphaelia stricta, Elatocladus sp. and Podozamites sp.
Age
Depositional setting
The formation belongs to fluvial-lacustrine deposits.
Additional Information