Teheierbasitao Fm
Type Locality and Naming
Eastern Junggar. The type section is located 8 km southeast of Ke'ankuduk, north of Zhifang in east Junggar, Xinjiang Uygur Autonomous Region. It was named by No 2 branch Team of Xinjiang No 1 Team of Regional Geological Survey in 1977, and Yang Shipu et al quoted it formally in 1981.
Lithology and Thickness
Clastic rocks. The formation, 104 m thick, is composed of purple, grayish-purple and purplish-red clastic rocks and volcanic clastic rocks intercalated with carbonate rocks. It includes tuffaceous sandstone, conglomerate and feldspathic quartz sandstone intercalated with pebble-bearing calcarenite limestone. The thickness varies from 100 to 134 m.
Relationships and Distribution
Lower contact
The formation is distinguished by its color from the underlying Kokesairgai Fm of Silurian, but they are similar in lithological character.
Upper contact
Regional extent
This formation is distributed in Tashan, Kokesairgai, etc. north of Zhifang, where the lithology is steady and easily recognized in the field.
GeoJSON
Fossils
The main fossils are coral Syringaxon sp., Squameofavosites sp., Pleurodictyum sp., Barrandeophyllum sp., and brachiopods Acrospirifer sp. etc.
Age
Depositional setting
Additional Information