Kungarad Formation

Kungarad Fm

Period:

Paleogene, Neogene

Age Interval:

Upper Eocene-Miocene, U2

Province:
Ustyurt-Sultanuzdag

Type Locality and Naming

By the city of Kungarad, Western Uzbekistan. N.V. Averbukh, N.V. Cherkashenko, 1989f. (Decision of the Commission on the Paleogene System of Middle Asia RMSK, 1989).

Synonym: Kungaradskaya Suite, Кунградская св.

Lithology and Thickness

Consists of two sub-suites.

Lower - calcareous clays, gray and greenish-gray marls. Thickness up to 360m. Upper - silty clays, greenish-gray, brownish-red, pink. Thickness up to 100m.

Lithology Pattern:

Sandy_claystone

Relationships and Distribution

Lower contact

Lies conformably or with erosion on the Ahchakain Fm.

Upper contact

Regional extent

Western Uzbekistan, S. Pre-Aral (Sudochiy, Tajikazgan, Kazakhdaryin depressions, Beltau). Used in the legend of the Pre-Aral subseries for geological maps of the 1:200,000 series, 1998. Correlated with the Daudan Fm and Daryalyk Fm of the Turtkul-Khivin region, Maral (upper) of the Kyzylkum.

GeoJSON

null

Fossils

Lower – Contains foraminifera - Bolivina antegressa Subb., Lenticulina herrmanni (Andr.), Spiroplectammina carinata Orb.; marine bivalve mollusks - Leda hadumica Korob., Isocardia eichwaldiana Rom., Lucina batalpaschinica Korob.

Upper - Contains foraminifera - Spiroplectammina terekensis Bogd., Porozononion dendriticus (Khal.); marine bivalve mollusks - Chlamys Bifida Münst., Cardium abundans Liver.

Age

The lower part of the suite belongs to the upper Eocene-Oligocene; upper - to the upper Oligocene-Miocene.

Age Span:

Beginning stage:

Rupelian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

33.90

Ending stage:

Aquitanian

Fraction up in the ending stage:

1.0

Ending date (Ma):

20.45

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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