Xibiantang Fm
Period:
Devonian
Age Interval:
D13-D21 (29), Emsian to Eifelian (late Early Devonian to early Middle Devonian)
Province:
Yunnan
Type Locality and Naming
The type section is located at east side of Xibiantang Reservoir of Heyuanzhai Village, Shidian County of Yunnan Province. It was named by Hou Hongfei and Dong Zhizhong in 1982.
Synonym: Xibiantang member of Songlingou Fm
Lithology and Thickness
Limestone. The Formation, 66 m thick, is composed of gray and grayish-yellow medium- to thick-bedded limestone and calcareous mudstone.
Lithology Pattern:
Limestone
Relationships and Distribution
Lower contact
It rests conformably on the Shabajiao Fm (Shabajio Dolomite).
Upper contact
Regional extent
The main distribution of the Formation is at Baoshan, Shidian and Luxi area.
GeoJSON
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Age
Emsian to Eifelian (late Early Devonian to early Middle Devonian)
Age Span:
Beginning stage:
Emsian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
402.41
Ending stage:
Eifelian
Fraction up in the ending stage:
0.7
Ending date (Ma):
388.00
Depositional setting
Depositional pattern:
Additional Information
Compiler:
(Hou Hongfei)