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

Taraklin Formation

Taraklin Fm

Period:

Devonian

Age Interval:

Eifelian, N2

Province:
Nuratau

Type Locality and Naming

Along the Tarakli gorge, North Nuratau ridge, R.R.Usmanov et al. in 1993 (Korsakov et al., 1993). Stratotype along Tarakli.

Synonym: Taraklin Suite, Тараклинская св.

Lithology and Thickness

Sandy limestones and dolomites, layered, gray with lenticular interlayers of cross-bedded quartz and polymictic sandstones, gravels. Up to 70-200 m.

Lithology Pattern:

Sandy limestone

Relationships and Distribution

Lower contact

Contacts with surrounding strata are tectonic (Usmanov et al., 1999).

Upper contact

Contacts with surrounding strata are tectonic (Usmanov et al., 1999).

Regional extent

North Nuratau ridge, Merishkor structure, in paraautochthonous bedding. [Coeval with Kakir Fm Fm? Contacts are tectonic.]

GeoJSON

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Fossils

In limestones, corals - Thamnopora cf. nicholsoni Frech., Crassialveolites crassus (Lee.), Alveolites tachiformis Schl. and others

Age

Fossil data indicate the Eifelian age of the middle Devonian. Put as base Eifelian for graphics - "Eifelian

Age Span:

Beginning stage:

Eifelian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

394.30

Ending stage:

Eifelian

Fraction up in the ending stage:

1.0

Ending date (Ma):

385.30

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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