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Bukachacha Formation

Coordinates: 53°00′N 116°54′E / 53.0°N 116.9°E / 53.0; 116.9
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Bukachacha Formation
Stratigraphic range: Barremian
~129–125 Ma
TypeGeological formation
Lithology
PrimaryMudstone
OtherTuff
Location
Coordinates53°00′N 116°54′E / 53.0°N 116.9°E / 53.0; 116.9
Approximate paleocoordinates56°42′N 114°54′E / 56.7°N 114.9°E / 56.7; 114.9
RegionZabaykalsky Krai
Country Russia
Type section
Named forBukachacha
Bukachacha Formation is located in Russia
Bukachacha Formation
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

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The formation has provided fossil insects:[1]

See also

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References

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  1. ^ Bukachacha at Fossilworks.org
  2. ^ Ponomarenko, 1990
  3. ^ Sukatsheva, 2016, p.401
  4. ^ Sinitshenkova, 1990

Bibliography

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  • 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 (4): 396–405, Bibcode:2016PalJ...50..396S, doi:10.1134/S0031030116040134, retrieved 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