Songyuan Gr
Period:
Devonian
Age Interval:
D3 (73), Late Devonian
Province:
Guangdong
Type Locality and Naming
The type section is located at Taoyuan of Meixian County, Guangdong Province.
It was named by the Guangdong Geological Survey in 1977.
Lithology and Thickness
Conglomerate, sandstone. Lower part of the group is composed of grayish-white quartz-rich conglomerate intercalated with quartz sandstone, pebbly sandstone and grayish-purple siltstone.
Upper part of the group is characterized by white and grayish-green quartz sandstone with siltstone.
Lithology Pattern:
Coarse-grained sandstone
Relationships and Distribution
Lower contact
It is in unconformable contact on the underlying Precambrian metamorphosed rocks
Upper contact
Regional extent
GeoJSON
null
Fossils
In the Yangjinshi and Youlanzhuang region, the Formation contains plant Leptophloeum rhombicum.
Age
Late Devonian
Age Span:
Beginning stage:
Frasnian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
378.90
Ending stage:
Famennian
Fraction up in the ending stage:
1.0
Ending date (Ma):
359.30
Depositional setting
Depositional pattern:
Additional Information
Compiler:
(Wang Shitao)