Kazakhstan Formation

Kazakhstan Fm

Period:

Paleogene

Age Interval:

Upper Paleocene (Thanetian), K1-K9

Province:
Kyzylkum Region

Type Locality and Naming

In the Kazakhtau and Kyzylkum mountains. R.K. Makarova, A.A. Abdusamatov, 1981. Stratotype in the Kazakhtau Mountains (Kyzylkum).

Synonym: Kazakhtauskaya Formation, Казахстанская св.

Lithology and Thickness

Quartz-feldspar sandstones, white, light-gray, calcareous with ferruginous streaks (3. Kyzylkum) and layers of clays and limestones, greenish-gray clays. Thickness up to 19m.

Lithology Pattern:

Sandstone

Relationships and Distribution

Lower contact

Lies conformably on the Bukhara Fm or with erosion on various horizons of the Upper Cretaceous, or on the Paleozoic.

Upper contact

Overlain conformably by the Nurin Fm and Sugralin Fm.

Regional extent

E, Central and W Kyzylkum, Bukhara Depression, Zirabulak-Ziaetdin and Nurata districts. To the north-east, the suite is facially replaced by the Kainarbulak Fm, and to the south-east by the Givar Fm.

GeoJSON

null

Fossils

Contains marine bivalve mollusks - Cyrena (Corbicula) forbesi Desh.; gastropods - Turbonila kojliensis Mak. et Abdus., Metacerithium Hauniensis (Koen.), Rhinoclavis (Alico) polistriatus Zubk., foraminifers - Annectina paleocenica Sul., Paragaudryina gigantica (Subb.).

Age

Belongs to the Upper Paleocene (Thanetian stage).

Age Span:

Beginning stage:

Thanetian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

59.24

Ending stage:

Thanetian

Fraction up in the ending stage:

1.0

Ending date (Ma):

56.00

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)”