Bukachacha Formation
| Bukachacha Formation | |
|---|---|
| Stratigraphic range: Barremian ~ | |
| Type | Geological formation |
| Lithology | |
| Primary | Mudstone |
| Other | Tuff |
| Location | |
| Coordinates | 53°00′N 116°54′E / 53.0°N 116.9°E |
| Approximate paleocoordinates | 56°42′N 114°54′E / 56.7°N 114.9°E |
| Region | Zabaykalsky Krai |
| Country |  Russia |
| Type section | |
| Named for | Bukachacha |
  Bukachacha Formation (Russia) | |
The Bukachacha Formation is a geological formation in Zabaykalsky Krai, Russia dating to the Early Cretaceous (Barremian). The tuffaceous mudstones of the formation were deposited in a lacustrine environment.
Fossil content[edit]
The formation has provided fossil insects:[1]
See also[edit]
- List of fossiliferous stratigraphic units in Russia
- Batylykh Formation, contemporaneous fossiliferous formation of Buryatia
References[edit]
- ^ Bukachacha at Fossilworks.org
- ^ Ponomarenko, 1990
- ^ Sukatsheva, 2016, p.401
- ^ Sinitshenkova, 1990
Bibliography[edit]
- Sukatsheva, I.D. 2016. The family Phryganeidae (Insecta, Trichoptera) from the Mesozoic and Cenozoic of Asia (with a brief worldwide overview of the fossil caddisfly fauna). Paleontological Journal 50. 396–405. Accessed 2020-07-07.
- Ponomarenko, A.G. 1990. Beetles, Scarabaeida, in Pozdne-Mezozoyskie Nasekomye Vostochnogo Zabaykal'ya. A.P. Rasnitsyn (ed.), Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 239. 39–82. .
- Sinitshenkova, N.D. 1990. Mayflies. Ephemerida, in Pozdne-Mezozoyskie Nasekomye Vostochnogo Zabaykal'ya. A. P. Rasnitsyn (ed.), Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 239. 14–20. .