Kulgan Fm
Type Locality and Naming
The type section is located at the dried Xiaotikanlik Spring Trench, Sawapuqi region, Wensu County, Xinjiang. It was named by the Stratigraphic Party under the Xinjiang Geological Bureau in 1975. The name of the formation was issued publicly by the Compiling Group for the Regional Stratigraphic Chart of the Xinjiang Uygur Autonomous Region in 1981.
Lithology and Thickness
Siltstone to Sandstone. Composed of grey, silver-grey, grey-green and purple sandy siltstone, siltstone, fine-grained sandstone and coarse-grained sandstone, intercalated occasionally with albite-porphyry. Thickness is 145 m.
Relationships and Distribution
Lower contact
Disconformable contact with the volcanic rocks of the underlying Xiaotikanlik Fm
Upper contact
Regionally overlain by Biyoulebaoguzi Gr
Regional extent
Distributed in the Sawapuqo and Kalasu areas of the South Tianshan Mt. region.
GeoJSON
Fossils
Plant fossils (phytolites) as represented by Sphenophyllum neofimbriatum, Annularia stellata, Pecopteris orientalis, Cordaites schenkii, Paracalamites stenocostatus, P. decoratus, as well as bivalve fossils.
Age
Depositional setting
It is interpreted as continental deposits.
Additional Information