Karateren Formation

Karateren Fm

Period:

Cretaceous

Age Interval:

, U4

Province:
Ustyurt-Sultanuzdag

Type Locality and Naming

Lake Karateren, South Pre-Aral. I.M. Abdouazimov, 1996. Stratotype - section of well 3 G, 2.5 km northwest of Lake Karateren.

Synonym: Karaterenian Suite, Каратишская св.

Lithology and Thickness

It is a facies analogue of the lower sub-suite of the Borehole Carbonate Fm.

Gray sands, sandstones with interlayers and interbeds of clays, siltstone (aleurolites), gravellites, and conglomerates. Thickness 10-120m.

Lithology Pattern:

Clayey sandstone

Relationships and Distribution

Lower contact

Overlies with erosion on the Muynak Fm

Upper contact

It is overlain with erosion by the middle carbonate sub-suite.

Regional extent

South, Southeast Pre-Aral. Boreholes. Used in the legend of the Pre-Aral sub-series for geological maps at a scale of 1: 200000,1998.

GeoJSON

null

Fossils

Contains foraminifera - Gaudryinella pseudoasiatica N. Dyk., Gavelinella aff. infrasantonica (Balakhm.).

Age

Belongs to the Santonian.

Age Span:

Beginning stage:

Santonian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

85.70

Ending stage:

Santonian

Fraction up in the ending stage:

0.3

Ending date (Ma):

85.09

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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