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Shenshan Gr
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Shenshan Gr base reconstruction

Shenshan Gr

Period: 
Neoproterozoic

Age Interval: 
Qingbaikouan (Tonian), Qb (64)


Province: 
Jiangxi

Type Locality and Naming

West-central Jiangxi. The Shenshan Group was named by the Jiangxi Party of Regional Geological Survey in 1965 (Guidebook of 1 200 000 Scale Geological Map of Xinyu Sheet). The typical section is situated in Baisha and Shenshan in Xinyu County, Jiangxi Province.

Synonym: （神山群）


Lithology and Thickness

Lower part of this group is dominated by black gray carbonaceous phyllite and silty phyllite, intercalated with black phyllitic sandstone and grayish green metamorphic schistose sandstone. Upper part consists of greenish gray sericite sandy phyllite, sericite phyllite and phyllitic siltstone, intercalated with minor carbonaceous sericite phyllite, in addition with meta-basalt and meta-spilite in upper part. In Pingxiang area, there is the occurrence of abundant tuffite. The thickness is about 3480 m.


Lithology Pattern: 
Sandy claystone


Relationships and Distribution

Lower contact

No information given

Upper contact

Unconformably overlain by the Shangshi Fm

Regional extent

Xinyu County, Jiangxi Province.


GeoJSON

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Fossils


Age 

Qingbaikouan (Tonian),

Age Span: 

    Beginning stage: 
Tonian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
1,000.00

    Ending stage: 
Tonian

    Fraction up in the ending stage: 
0.8

    Ending date (Ma):  
776.00

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Extracts from The Neoproterozoic Erathem (chapter in Stratigraphic Lexicon of China, draft of 2022) by Gao Linzhi, Ding Xiaozhong, Zhang Chuanheng, Zhang Heng.