Harman Patil (Editor)

Dengying Formation

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Type
  
Formation

Country
  
China

Overlies
  
Doushantuo Formation

Sub-units
  
See: Members

Region
  
Three Gorges

Underlies
  
Yanjiahe Formation

Dengying Formation httpsuploadwikimediaorgwikipediacommonsthu

The Dengying Formation is an upper Ediacaran (551-541 Ma) fossiliferous geologic formation found in South China. It was deposited on a shallow marine carbonate platform.

Contents

Members

Listed by ascending age:

  • The Hamajing Member is characterized by light grey, medium- to thick-bedded dolostone, intercalated with thin layers of chert.
  • The Shibantan Member is interpreted to represent a subtidal environment and is composed of dark grey, thin-bedded bituminous limestone. It is the most fossiliferous of the Dengying Formation members and has yielded several trace fossils, such as Lamonte.
  • The Baimatuo Member consists of light grey, thick-bedded dolostone.

    • Traditionally, the Tianzhushan Member was considered to be the uppermost unit of the Dengying Formation. However, its small shelly fossils and Micrhystridium-like acritarchs are a shared characteristic with the Cambrian Yanjiahe Formation.

    Genera

  • Cloudina
  • Paracharnia
  • Sinotubulites
  • Yangtziramulus

    • Ichnogenera

  • Helminthoidichnites
  • Lamonte
  • Torrowangea

    • References

    Dengying Formation Wikipedia
    (Text) CC BY-SA