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

Daralitau Formation

Daralitau Fm

Period:

Cretaceous

Age Interval:

Upper Campanian, B1a

Province:
Bukhara-SW Gissar

Type Locality and Naming

In the Daralitau Mountains, Southwestern Gissar. M.R. Dzhalilov, 1968 (190, p.42). Stratotype in the Muzrabat River valley, in the Gazdagan gorge (southern part of the Kelif-Sarykamysh ridge).

Synonym: Daralitaus Suite, Даралитауская св.

Lithology and Thickness

In the South - greenish-gray clays with interlayers of sandstones and shell limestones; in the North - siltstone (aleurolites) and sandstones. Thickness 22-165m.

Lithology Pattern:

Sandy_claystone

Relationships and Distribution

Lower contact

Conformably overlies the Sarykamysh Fm

Upper contact

It is conformably overlain by the Udantau Fm.

Regional extent

Southwestern Gissar. Corresponds to the Kantau Fm and lower part of the Aktag Fm (51; 56; 189; 300; 383; 446).

GeoJSON

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Fossils

Contains ammonites - Hoplitoplacenticeras marroti Coq., Bostrychoceras polyploccum Roem., Gissarites kysylchense Iljin, Trachyscaphites spiniger Schiit.; marine bivalve mollusks - Ostrea tecticostata turkmenica Born., Lopha (A.) falcata Mort., L. luppovi Bobk., Gyropleura gaurdakensis Renng., G, renngarteni Pojar.; gastropods - Scaphella campanica Dzhal.; foraminifers - Cibicidoides voltzianus Orb., C, aktulagyensis Vass.

Age

Belongs to the upper Campanian.

Age Span:

Beginning stage:

Campanian

Fraction up in beginning stage:

0.5

Beginning date (Ma):

77.91

Ending stage:

Maastrichtian

Fraction up in the ending stage:

0.1

Ending date (Ma):

71.56

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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