Harsuhai Gr
Type Locality and Naming
The type section is located at about 40 km southeast of Yagan area of Erjina Banner, Inner Mongolia. It was named by Zheng Zhaochang, Zhu Hong et al. in 1987.
Lithology and Thickness
Clastics. Composed mainly of grey calcareous greywacke and siltstone, intercalated with limestone and conglomerate. Lower part being intercalated with many layers of carbonate rocks. Middle part containing conglomerate. Upper part consisting largely of sandstone and siltstone, representing paralic facies-deposits. Thickness can be over 5000 m!
Relationships and Distribution
Lower contact
Unconformable contact with the intermediate-basic volcanic lava of the underlying Arqide Fm (on the southern margin of the Jilin Desert in the Badan region)
Upper contact
Not given
Regional extent
Distributed in the area extending from Menggewula to Yagan, as well as in the northern part of the Badanjilin region and on the southern margin of its desert.
GeoJSON
Fossils
Plantifossils (phytolites) represented by Paracalamites, Callipteris, and Pecopteris, and trace fossils have been found at the Harsuhai in the eastern part of the region to Menggenwula.
Age
Depositional setting
It is interpreted as a
Additional Information