Kyzylkum Formation

Kyzylkum Fm

Period:

Quaternary

Age Interval:

Eopleistocene, K1-K9

Province:
Kyzylkum Region

Type Locality and Naming

In the Kyzylkum desert. A.A. Yaminov, 1950 (515, p.761). Typical sections in the middle course of the Amudarya River. Due to three suites division, the term stratigraphic name is not used.

Synonym: Kyzylkumskaya Suite, Кызылкумская св.

Lithology and Thickness

Below, whitish, spotted clays and marls; Above, various-grained sands, sandstones, conglomerates, at the top, brown loams. Thickness 20-50m.

A.I. Aynemer et al. (41) divided the Kyzylkum Fm into three suites: Saduvar Fm (Sadyvar Fm; clays, marls), Tashakyr Fm (sands, sandstones, conglomerates), and the brown loams were assigned to the Quaternary Sabatlyn Fm (444).

Lithology Pattern:

Sandstone

Relationships and Distribution

Lower contact

Lies with erosion on the deposits of the Dengizkul Fm, Paleogene and Upper Cretaceous.

Upper contact

Overlain by Quaternary deposits.

Regional extent

Kyzylkum and eastern part of the Karakum.

GeoJSON

null

Fossils

Age

Quaternary Eopleistocene = Calabrian? put as 50% up in Calabrian? (to leave room for labels) in strat columns for Lexicon.

Age Span:

Beginning stage:

Calabrian

Fraction up in beginning stage:

0.5

Beginning date (Ma):

1.29

Ending stage:

Holocene

Fraction up in the ending stage:

1.0

Ending date (Ma):

0.00

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)”