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