Shangmaoniuping Fm
Period:
Devonian
Age Interval:
D31 (78), Frasnian (early Late Devonian)
Province:
Yunnan
Type Locality and Naming
The type section is located between Lagude and Shangmaoniuping Villages, 19 km north of Lude, Yongsheng County, Yunnan Province.
It was named by the Department of Stratigraphy and Paleontology, Yunnan Bureau Of Geology and Mineral Resources in 1972, and was published in 1978 by Yunnan Compiling Group for Regional Stratigraphical Scale.
Lithology and Thickness
Limestone. The Formation, 250 m thick, is characterized by gray to dark-grayish clayey limestone with thin-bedded oil shale.
Lithology Pattern:
Clayey limestone
Relationships and Distribution
Lower contact
It is underlain by limestone of the Lagude Fm.
Upper contact
It is overlain by sandstone of the Sanglongtan Fm.
Regional extent
GeoJSON
null
Fossils
It yields Leiorhynchid brachiopoda.
Age
Frasnian (early Late Devonian)
Age Span:
Beginning stage:
Frasnian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
378.90
Ending stage:
Frasnian
Fraction up in the ending stage:
1.0
Ending date (Ma):
371.10
Depositional setting
It is interpreted as a slope facies
Depositional pattern:
Additional Information
Compiler:
(Xian Shiyuan)