Longtouzhai Gr
Type Locality and Naming
The type section is at Longtouzhai in Qujiang County, northern Guangdong. The Longtouzhai Fm is derived from the Longtouzhai series proposed by Nan Yi (1959), and was published by Central-South Compiling Group for Regional Stratigraphic Scale (1974).
Synonym: (龙头寨群）
Lithology and Thickness
The Longtouzhai Fm is composed of a Lower part of 50-80 m thick gray crystalline limestone, and an Upper part of 240 m of light gray, grayish green and purple sandstone and thin-bedded sandy shale.
Relationships and Distribution
Lower contact
The contacts between the Longtouzhai Fm and the underlying strata are not known due to the poorly preserved and isolated outcrops (Lai et al., 1982).
Upper contact
The contacts between the Longtouzhai Fm and the overlying strata are not known due to the poorly preserved and isolated outcrops (Lai et al., 1982).
Regional extent
It is mainly exposed in northern Guangdong.
GeoJSON
Fossils
Age
Depositional setting
Additional Information