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

Karabil Formation

Karabil Fm

Period:

Cretaceous

Age Interval:

Berriasian, B1-B3

Province:
Bukhara-SW Gissar

Type Locality and Naming

Along Karabil Mountain, Southwest Gissar. N.P. Kheraskov, 1934 (487, p.17). Stratotype on Karabil Mountain. Lower formation in the Takchiyan Gr. It is part of the Karabil Horizon.

Synonym: Karabil Suite, Карабильская св.

Lithology and Thickness

Alternation of reddish-brown clays, siltstone (aleurolites) (predominant at the bottom), sandstones (predominant at the top) with lenses of katun conglomerates and salts at the base. Thickness 20-175m.

Lithology Pattern:

Clayey sandstone

Relationships and Distribution

Lower contact

The suite lies with erosion on the Gaurdak Gr

Upper contact

It is conformably or transgressively overlain by the Almurad Fm or Kattaur Fm.

Regional extent

South-West, South Gissar, Babatag ridge, middle course of the Amudarya River, Bukhara-Karshinsky region.

GeoJSON

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Fossils

Contains in the lower part ostracods - Sheda polita Mand.; in the upper part - a complex of spores and pollen and ostracods - Cypridea brevirostrata Martins.

Age

It is attributed to the Berriasian (?). Some authors attribute it to the Tithonian - Berriasian (453; 499); other authors (93; 133; 310; 415) begin the Cretaceous with this suite; others complete the Jurassic (55; 138; 168; 254; 274; 381; 383; 452).

Age Span:

Beginning stage:

Berriasian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

143.10

Ending stage:

Berriasian

Fraction up in the ending stage:

1.0

Ending date (Ma):

137.70

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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