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

Sayrob Formation

Sayrob Fm

Period:

Quaternary

Age Interval:

Eopleistocene, B2

Province:
South Gissar

Type Locality and Naming

Along the Sairob ridge, Baysun depression. Yu.R. Smolnikov et al., 1971f.

Synonym: Sairob Suite, Сайробская св.

Lithology and Thickness

Conglomerates, gravelites, sandstones, siltstone (aleurolites) brownish-gray. Thickness up to 923m

Lithology Pattern:

Aus Conglomerate

Relationships and Distribution

Lower contact

With erosion overlies the Munchak Fm

Upper contact

unconformably overlain by Quaternary deposits

Regional extent

Baysun and Surkhandarya depressions. Correlated with the Guzar Fm.

GeoJSON

{"type":"Feature","geometry":{"type":"Polygon","coordinates":[[[66.9,38.4],[67.5,38.5],[67.7,37.9],[66.8,37.8],[66.9,38.4]]]}}

Fossils

Contains ostracods Zonocypris membranae (Liv.), Stenocypris aff. beata Mand., Cyprinotus solinus (Br.), Eycypris sp., Lineocypris aff. trapexoides Zalany.

Age

Age Span:

Beginning stage:

Gelasian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

2.58

Ending stage:

Gelasian

Fraction up in the ending stage:

1.0

Ending date (Ma):

1.80

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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