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Harsuhai Gr

Harsuhai Gr


Period: 
Permian

Age Interval: 
P3 (10), Lopingian Epoch (late Permian)


Province: 
Inner Mongolia

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!


Lithology Pattern: 
Fine-grained sandstone


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

null

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 

Assigned as late Permian

Age Span: 

    Beginning stage: 
Wuchiapingian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
259.55

    Ending stage: 
Wuchiapingian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
254.24

Depositional setting

It is interpreted as a


Depositional pattern:  


Additional Information


Compiler:  

Li Li