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

Sukaytin Formation

Sukaytin Fm

Period:

Cretaceous

Age Interval:

middle Cenomanian - middle Turonian, Z5

Province:
Zarafshan-N.Gissar

Type Locality and Naming

Along the village of Sukayty, West Uzbekistan. O.S. Vyalov, S.I. Ilyin, G.Ya. Meyer et al., 1947 (158, p.20). Stratotype not specified.

Synonym: Sukaytinskaya Suite, Сукайтинская св.

Lithology and Thickness

Divided into three subunits.

Upper - gray, red sandstones, shell rocks, clays, siltstone (aleurolites). Thickness 10-100 m.

Middle - gray, greenish-gray clays with thin interlayers of siltstone (aleurolites) and sandstones. Thickness 10-90m.

Lower - greenish-gray sandstones with interlayers of clays, siltstone (aleurolites), gravellites, and conglomerates. Thickness 1030m.

Lithology Pattern:

Sandy limestone

Relationships and Distribution

Lower contact

The formation lies with erosion on the Karaiz Fm and transgressively on the Paleozoic

Upper contact

Overlain with erosion by the Carnap formation.

Regional extent

The Zirabulak-Ziaetdin Mountains, Karaiz; on adjacent plains, well exposed.

GeoJSON

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Fossils

Upper – Contains marine bivalve mollusks - Plicatula batnensis Coq., P. multicostata Forb.; foraminifera - Paragaudryina babaevi Suleim., P. inornata Suleim., Gaudryinella pseudoasiatica antiqua Suleim.

Middle – Contains marine bivalve mollusks - Inoceramus labiatus Schloth.; foraminifera - Reophax kysylcumensis Suleim., Ammomarginulina amudariensis (Zhuk.), Vialovia zerabulakensis Suleim., Gaudryinopsis asiaticus (N. Byk.), Paragaudryina inornata Suleim.

Lower – Contains foraminifera - Gaudryinopsis asiaticus (N. Byk.), Paragaudryina inornata Suleim.

Age

Upper – Belongs to the middle Turonian. Middle – Belongs to the lower + middle Turonian. Lower – Belongs to the middle - upper Cenomanian.The formation belongs to the middle Cenomanian - middle Turonian; Along O.S. Vyalov, - to the Senonian (158); Along I.S. Suleimanov (464), - to the Cenomanian - Turonian; in the Strat. Sl. (446) - to the Senonian (313; 445).

Age Span:

Beginning stage:

Cenomanian

Fraction up in beginning stage:

0.4

Beginning date (Ma):

97.86

Ending stage:

Turonian

Fraction up in the ending stage:

0.7

Ending date (Ma):

90.74

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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