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Wululong Formation
Click to display on map of the Ancient World at:
Wululong Fm base reconstruction

Wululong Fm


Period: 
Permian

Age Interval: 
P (49), Kungurian Stage (late-Cisuralian Epoch; late-Early Permian)


Province: 
Xizang (Tibet)

Type Locality and Naming

The type section is located in the Majula area to the north of the Wululong area, Pangduoxi Region, Linzhou County, Tibet. It was named by Chen Chuzhen and Wang Yujing in 1984.


Lithology and Thickness

Limestone and Claystone. Composed of grey-black thin-bedded limestone and black slate, with a thickness of about 50 m.


Lithology Pattern: 
Clayey limestone


Relationships and Distribution

Lower contact

Conformable contact with the underlying Pangduo Gr

Upper contact

Conformable contact with the overlying Luobadui Fm

Regional extent

Distributed in the Linzhou County of the Lhasa area.


GeoJSON

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Fossils

Yields Brachiopods such as Stepanoviella, Liraplecta, Cancrinella, Calliomarginatia, Stenascisma, Transennatia; and Corals including Verbeekiella, Tachylasma.


Age 

Qixia’an Epoch = Kungurian Stage (late-Cisuralian Epoch; late-Early Permian)

Age Span: 

    Beginning stage: 
Kungurian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
283.30

    Ending stage: 
Kungurian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
274.37

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Wang Yujing

GeoJSON estimate by Longgang Ye and Yuyin Li (Chengdu Univ. Tech. students)