Home Multi-Country Search About Admin Login
Cenozoic
Cretaceous
Jurassic
Triassic
Permian
Carboniferous
Devonian
Silurian
Ordovician
Cambrian
Neoproterozoic
Mesoproterozoic

Search by
Select Region(s) to search
Hold Ctrl (Windows/Linux) or Command (Mac) to select multiple
Daojiuwan Formation
Click to display on map of the Ancient World at:
Daojiuwan Fm base reconstruction

Daojiuwan Fm

Period: 
Neoproterozoic

Age Interval: 
early-Middle Qingbaikouan (early Tonian)? Qb （62）


Province: 
Zhejiang

Type Locality and Naming

North-central Zhejiang. The Daojiuwan Fm (lowermost formation of the Chencai Gr) was named by Kong Xiangsheng et al. in 1989 and published in 1994. The type section is in Daojiuwan Village, Dingjiawu of Chencai, Zhuji City, Zhejiang Province. Lower formation of the Chencai Gr

Synonym: （捣臼湾组）


Lithology and Thickness

Lower part is composed of dark-grey amphibolite and migmatite leptite (mostly mylonitized) sandwiched with thin-bedded quartzite. Upper part consists of monzonitic leuco-leptite and monzonitic leptite, quartzite with amphibolite (locally migmatized). The formation has an outcropped thickness of 714 m.


Lithology Pattern: 
Volcanics


Relationships and Distribution

Lower contact

Its base is not seen.

Upper contact

It is conformably overlain by the Xiahetu Fm.

Regional extent

The formation is widespread in the area of Dingjiawu, Chencai, Zhejiang Province.


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[118.74,30.02],[118.26,30.43],[118.04,30.62],[118.03,30.75],[118.28,30.89],[118.65,31.11],[119.07,31.31],[119.49,31.46],[119.81,31.41],[120.01,31.26],[120.13,30.98],[120.15,30.92],[120.08,30.64],[119.88,30.46],[119.62,30.29],[119.05,30.17],[118.74,30.02]]]]}}

Fossils


Age 

early-Middle Qingbaikouan (early Tonian)?

Age Span: 

    Beginning stage: 
Tonian

    Fraction up in beginning stage: 
0.2

    Beginning date (Ma): 
944.00

    Ending stage: 
Tonian

    Fraction up in the ending stage: 
0.3

    Ending date (Ma):  
916.00

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.