Donguz Formation

The Donguz Formation, Donguz Svita, or Donguz Rocks (Russian: Донгузские скалы) is a Middle Triassic geological formation that crops out on the right bank of Donguz River in Orenburg Oblast, Russia, across the settlement of Pervomaisky. The formation is equivalent to a biostratigraphic unit, the Donguz Gorizont. It is famous for its rich collection of the fossils of Middle Triassic tetrapods.[2][1][3]

Donguz Formation
Stratigraphic range: Anisian
~
Eryosuchus, an index fossil of the Donguz
TypeStratigraphic Formation
UnderliesBukobay Svita[1]
OverliesPetropavlovskaya Svita (Yarenskian Gorizont)
Lithology
PrimarySandstone
OtherClaystone, conglomerate
Location
Coordinates51.5°N 55.2°E / 51.5; 55.2
Approximate paleocoordinates33.6°N 43.2°E / 33.6; 43.2
Region Bashkortostan
 Orenburg Oblast
Country Russia
Type section
Named forDonguz River
Donguz Formation is located in Russia
Donguz Formation
Donguz Formation (Russia)

It is a nature monument (особо охраняемых природных территорий (ООПТ)).[4]

Fossil content

The following fossils have been found in the Donguz Formation:[1]

See also

References

  1. Lucas, Spencer G (1 November 1998). "Global Triassic tetrapod biostratigraphy and biochronology". Palaeogeography, Palaeoclimatology, Palaeoecology. 143 (4): 347–384. Bibcode:1998PPP...143..347L. CiteSeerX 10.1.1.572.872. doi:10.1016/S0031-0182(98)00117-5.
  2. Sennikov, A.G. (29 February 1996). "Evolution of the Permian and Triassic tetrapod communities of Eastern Europe". Palaeogeography, Palaeoclimatology, Palaeoecology. 120 (3–4): 331–351. Bibcode:1996PPP...120..331S. doi:10.1016/0031-0182(95)00041-0.
  3. область&objregion=Оренбургский район
  4. Uraloved.ru
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