Shuiquliu Fm
Type Locality and Naming
Songliao Basin east. The reference section is located in No.30 well in the Shulan Street exploration area, Jilin. Named by Li Yongxiao in 1962.
Lithology and Thickness
Grayish green sandstone, sandy shale, mudstone, sandy mudstone, sandy conglomerate and conglomerate, the base of which contains basalt pebbles or lignite fragments. In some areas there are coal seams or unminable coal beds. The thickness varies greatly from a few meters to more than 1000m, being generally 500m or so.
Relationships and Distribution
Lower contact
It has an unconformable contact with the underlying Eocene Shulan Fm.
Upper contact
Unconformable contact with the overlying Quaternary. [China Lex strat chart suggests Sunwu Fm might also overly regionally?]
Regional extent
This formation is distributed at Yongji and Shulan.
GeoJSON
Fossils
It contains the plants Quercus miovariabilis etc., whose age is Miocene. Sporopollen include Chenopodiaceae, the grass family and Retitricolpites, whose age is Eocene-Oligocene.
Age
Depositional setting
Additional Information