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

Tym Formation

Tym Fm

Period:

Cretaceous

Age Interval:

Campanian-Maastrichtian, Z5

Province:
Zarafshan-N.Gissar

Type Locality and Naming

In the village of Tym, W. Uzbekistan. O.S. Vyalov, S.I. Ilyin, G.Ya. Meyer et al., 1947 (158, p.22). Stratotype not specified.

Synonym: Tymskaya Suite, Тымская св.

Lithology and Thickness

Gray, greenish-gray sandstones, sands with layers of clays and limestones. Thickness 10-245 m.

Lithology Pattern:

Sandy limestone

Relationships and Distribution

Lower contact

Lies with erosion on the Karnap Fm, in places on the Paleozoic

Upper contact

Overlain by the Paleocene. [NOTE: We didn’t yet locate a Paleocene formation in the listings of Zirabulak-Ziaetdin units.]

Regional extent

Zirabulak-Ziaetdin Mountains, Karatepin Mountains, Karaiz; in the adjacent plains, revealed by drilling.

GeoJSON

null

Fossils

Contains marine bivalve mollusks - Liostrea lehmannii Rom., Amphidonte pyrenaica Leym., Biradiolites fedschenkoi Rom.; foraminifers - Reophax texanus Cushm. et Wat., Haplophragmoides excavatus Cushm. et Wat.

Age

Belongs to the Campanian-Maastrichtian (313).

Age Span:

Beginning stage:

Campanian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

83.65

Ending stage:

Maastrichtian

Fraction up in the ending stage:

0.9

Ending date (Ma):

66.65

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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