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Kyzyltakyr Formation

Kyzyltakyr Fm

Period: 
Paleogene

Age Interval: 
Upper Paleocene-Lower Eocene (Thanetian-Ypresian), U2


Province: 
Ustyurt-Sultanuzdag

Type Locality and Naming

Along the Kyzyltakyr village, North Turkmenistan. A. G. Blyskavka, G.A. Gabrielyants, M.A. Tkachuk, 1962 (113, p.15).

Synonym:


Lithology and Thickness

Upper part - calcareous marls, gray, reddish-brown limestones. Thickness up to 15 m. In the lower part, gray clayey limestones, reddish-brown marls. Thickness up to 17m. Total thickness up to 32m.


Lithology Pattern: 
Shallow-marine marl


Relationships and Distribution

Lower contact

Lies conformably on the Zeaglin Fm or with erosion on the Maastrichtian deposits

Upper contact

It is overlain by the Karashor Fm.

Regional extent

South Pre-Aral, East Ustyurt. It is correlated with the Bukhara Fm, Kazakhtaush Fm, Nurinsk Fm, and lower part of the Sugralin Fm of the Kyzylkum, Bukhara Depression.


GeoJSON

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Fossils

Upper part- Contains foraminifera of the Globorotalia subbotinae zone; nanoplankton of the NP-10 Marthasterites contortus zone. In the formation complex, ostracods - Cytherella mirusa Ros., Curfsina formosa Szezech., Nucleolina mangischlanensis transiotora Sak., Xestoleberis obtusangularis Sak.

In the lower part, contains foraminifera of the Acarinina tadjikistanensis djanensis Schutz., A. subsphaerica (Subb.), A. acarinata Subb. zone; nanoplankton of the NP-9 Discoaster multiradiatus zone.


Age 

The lower part of the formation belongs to the Upper Paleocene (Thanetian stage), and the upper part - to the Lower Eocene (Ypresian stage).

Age Span: 

    Beginning stage: 
Thanetian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
59.24

    Ending stage: 
Ypresian

    Fraction up in the ending stage: 
0.5

    Ending date (Ma):  
52.04

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)”