Neogene

Paleogene

Cretaceous

Jurassic

Triassic

Permian

Carboniferous

Devonian

Silurian

Ordovician

Cambrian

Neoproterozoic

Mesoproterozoic

Paleoproterozoic

Main source = Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian) Translated to English by the GeoGPT group, Zhejiang Lab, Hangzhou, China--see About

Badavin Formation

Badavin Fm

Period:

Carboniferous

Age Interval:

Serpukhovian-Bashkirian, B1

Province:
Bukhara-SW Gissar

Type Locality and Naming

Along the village of Badava, Surkhantau ridge, Southwest Gissar. I.M. Nigmadzhanov et al. in 1997. Stratotype - section "Aksu", 30 km to the northwest of the city of Denau, north of the village of Badava, western slope of the watershed of the Aksu-Vakhsh rivers.

Synonym: Badavin Suite, Бадавинская св.

Lithology and Thickness

Interbedded micritic limestones with separate thin siliceous horizons of greenish-gray, red, with occasional layers of "goniatite" limestones. Thickness 40m.

Lithology Pattern:

Siliceous limestone

Relationships and Distribution

Lower contact

Conformably overlies the basalts of the Khodzhirbulak Fm

Upper contact

conformably overlain by the Suffin-Carb Fm.

Regional extent

Southwest Gissar, Surkhantau ridge. Separated from the composition of the Khodzhirbulak Fm. F.R. Bensh in 1969 considered the deposits of the Badavin Fm to be part of the Khodzhirbulak Fm and Suffin-Carb Fm.

GeoJSON

null

Fossils

Contains conodonts - Gnathodus bilineatus Roundy, Declinognathodus noduliferus El. et Cr., Lochriea cruciformis (Clarke), Idiognathoides sinuatus Harris et Holl., I. corrugatus Harris et Holl.; ammonoids of the zones Eumorphoceras, Homoceras, Reticuleceras.

Age

Age Span:

Beginning stage:

Serpukhovian

Fraction up in beginning stage:

0.5

Beginning date (Ma):

326.87

Ending stage:

Serpukhovian

Fraction up in the ending stage:

1.0

Ending date (Ma):

323.40

Depositional setting

Depositional pattern:

Additional Information

Compiler:

I.M. Nigmadzhanov – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”