Cenozoic

Cretaceous

Jurassic

Triassic

Permian

Carboniferous

Devonian

Silurian

Ordovician

Cambrian

Neoproterozoic

Main source = Baratov, R.B., et al. (1976). Subdivisions of stratified and intrusive rocks of Tajikistan. Publishing House "Donish", Dushanbe, 269 pp. plus tables. Provided by Dr. Jovid Aminov, Nazarbayev University, Astana, Kazakhstan Translated to English by the GeoGPT group, Zhejiang Lab, Hangzhou, China--see About

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Mingbatman Formation

Mingbatman Fm

Period:

Cretaceous

Age Interval:

Lower Albian (K₁²), C2, C2a

Province:
Central W Tajik

Type Locality and Naming

Includes in Dushanbe-west Shirkent-Luchob, east Shirkent-Luchob. (Shvanov, 1961)

Synonym: Mingbatman suite, минrбатvrанской свитой, Derbent horizon, Дербентский горизонт

Reference section:

Lithology and Thickness

It consists of an interbedding of brown-red sandstones, claystones, and clays 40-100 m thick.

Lithology Pattern:

Clayey sandstone

Relationships and Distribution

Lower contact

They conformably or with slight erosion overlie the deposits of Berriasian, Middle Aptian or Upper Hauterivian - Middle Aptian.

Upper contact

They are conformably overlain by the deposits of the Cenomanian and Turonian.

Regional extent

In districts Turkestan, Zarafshan-Gissar, South Gissar, Karategin this horizon includes the entire suite, and in districts Dushanbe, Qafirnigan, Vakhsh, Zaalai and Darvaz districts - only the lower half of it.

GeoJSON

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Fossils

In the suite, shells of brackish and freshwater bivalves and ostracods Cardita minicostata Anupr., Cypridea sangardakens are known.

Age

Lower Albian

Age Span:

Beginning stage:

Albian

Fraction up in beginning stage:

0.25

Beginning date (Ma):

110.03

Ending stage:

Albian

Fraction up in the ending stage:

0.35

Ending date (Ma):

108.76

Depositional setting

brackish and freshwater

Depositional pattern:

Additional Information

Compiler:

Extracted from Baratov, R. B. (1976). Subdivisions of stratified and intrusive rocks of Tajikistan. Donish, Dushanbe, 276.