Dangibulak Formation

Dangibulak Fm

Period:

Permian

Age Interval:

Lower Permian (Sakmarian), F9c

Province:
Fergana

Type Locality and Naming

Along the Dangiubulak stream, Karachatyr Range, South Fergana. F.R. Bensh in 1975 (291, p. 112).

Synonym: Dangibulak Formation, Дангибулакская св.

Lithology and Thickness

Gray, bluish-greenish-gray, brownish-gray claystones with subordinate interlayers of marls, siltstones, and clayey-sandy oolitic, algal, and shell limestones; in the upper part, medium-bedded organogenic limestones predominate. Thickness about 70 m.

Lithology Pattern:

Clayey limestone

Relationships and Distribution

Lower contact

Along the stratigraphic position, it lies on the Kerkidon Fm

Upper contact

Overlying deposits are unknown

Regional extent

Predominantly 3. Karachatyr, core of a synclinal fold.

GeoJSON

null

Fossils

Contains foraminifers - Schwagerina asiatica M.-Macl., S. subrotunda (Ciry), Paraschwagerina pseudomira M.-Macl., Robustoschwagerina schellwieni (Hanz.), Monodiexodina ferganica (M.-Macl.) and others.

Age

It is attributed to the lower part of the Sakmarian stage of the Lower Permian.

Age Span:

Beginning stage:

Sakmarian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

293.52

Ending stage:

Sakmarian

Fraction up in the ending stage:

1.0

Ending date (Ma):

290.51

Depositional setting

Depositional pattern:

Additional Information

Compiler:

F.R. Bensh – In: GeoGPT translation of: ”Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)"