Guitou Gr
Type Locality and Naming
The type section is located near Guitou Village in Ruyuan County, Guangdong Province.
It was named by Guangdong Team of Regional Geological Survey in 1959.
Lithology and Thickness
Sandstone, conglomerate. The Group is divided into two subgroups. Lower subgroup is dominated by purplish-red quartz sandstone and siltstone intercalated with sandy conglomerate and shale lenses and with a basal conglomerate.
Upper subgroup is characterized by grayish-white sandstone and a few muddy shales, with the base consisting of inequigranular conglomerate and sandy conglomerate.
Relationships and Distribution
Lower contact
It disconformably overlies metamorphic rocks of the Ordovician or Cambrian.
Upper contact
Regional extent
GeoJSON
Fossils
Plant fossils Protolepidodendrom, Hostimella, Psilophylites and fish Bothriolepis lochangensis, B. kwangtungensis, B. sinensis, Hunanolepis tieni etc. occur in the lower part of “Upper Guitou Gr.”.
Age
Depositional setting
Additional Information