Neogene

Paleogene

Cretaceous

Jurassic

Triassic

Permian

Carboniferous

Devonian

Silurian

Ordovician

Cambrian

Neoproterozoic

Mesoproterozoic

Paleoproterozoic

Main source = Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian) Translated to English by the GeoGPT group, Zhejiang Lab, Hangzhou, China--see About

Dugabin Formation

Dugabin Fm

Period:

Silurian

Age Interval:

Wenlock, N5a

Province:
Nuratau

Type Locality and Naming

Along the village of Dugaba, western end of the Turkestan Range. M.M. Posokhova, A.N. Golikov in 1985 (Golikov et al., 1988).

Synonym: Dugabin Suite, Дугабинская св.

Lithology and Thickness

Slates, siltstone (aleurolites), and sandstones. Thickness is about 200-300m (along the middle course of the Zaaminsu River).

Lithology Pattern:

Sandy_claystone

Relationships and Distribution

Lower contact

Along the bedding, it lies on the Uryuklin Fm.

Upper contact

Schematic stratigraphic column indicates the upper contact as Sulyuktin Fm with erosion

Regional extent

Northern slope of the Malguzar Mountains, lower and middle course of the Zaaminsu River.

GeoJSON

null

Fossils

Contains in the lower part graptolites - Cyrtograptus Centrifugus Bouček., C. murchisoni (Carr.) and others of the lower Wenlock (Sheindwood), and in the upper part - Testograptus testis (Barr.), Cyrtograptus lundgreni Tulb., Gothograptussp., Pristiograptus ludensis (Murch.) of the upper Wenlock (Homer).

Age

The Wenlock age is established by graptolites.

Age Span:

Beginning stage:

Sheinwoodian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

432.93

Ending stage:

Homerian

Fraction up in the ending stage:

1.0

Ending date (Ma):

426.74

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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