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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Sarykhasar Formation

Sarykhasar Fm

Period:

Cretaceous

Age Interval:

Upper Aptian - Lower Albian (K₁²), C2, C2a

Province:
Central W Tajik

Type Locality and Naming

Includes in Dushanbe-west Shirkent-Luchob, east Shirkent-Luchob.

Synonym: Sarykhasar suite, сарыхасорская свита, Karakuz horizon, каракузскому горизонту

Reference section:

Lithology and Thickness

It consists of massive gray and pink sandstones with layers in the lower part of variegated clays. Gypsum is occasionally found. The thickness of the suite is 45 – 120 m.

Lithology Pattern:

Sandy_claystone

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.

GeoJSON

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Fossils

At its base, rare bivalves and ostracods are found.

Age

Upper Aptian - Lower Albian. The schematic stratigraphic column indicates Lower Albian, hence represented in Albian for Lexicon website.

Age Span:

Beginning stage:

Albian

Fraction up in beginning stage:

0.10

Beginning date (Ma):

111.93

Ending stage:

Albian

Fraction up in the ending stage:

0.25

Ending date (Ma):

110.03

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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