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

Talhab Formation

Talhab Fm

Period:

Cretaceous

Age Interval:

Lower Turonian, B1a

Province:
Bukhara-SW Gissar

Type Locality and Naming

Along the Talhab stream, SW Gissar. M.R. Jalilov, 1968 (190, p.43). Stratotype at the Talhab stream, at the southern end of the Kelif-Sarykamysh ridge. Enters the Talhab Horizon and Adamtash Gr (56; 189; 300; 383; 446; 452).

Synonym: Talhab Suite, Талхабская св., Talkhab Fm

Lithology and Thickness

Dark and greenish-gray clays with layers of marls and shell limestones. Thickness 66-170 m.

Lithology Pattern:

Shallow-marine marl

Relationships and Distribution

Lower contact

Lies conformably on the Gazdagan Fm

Upper contact

It is overlain conformably by the Dasgirak Fm.

Regional extent

Southwest Gissar, Babatag Range.

GeoJSON

null

Fossils

Contains ammonites Mammites nodosoides Schloth., M. nodosoides chivensis Arkh., Proplacenticeras khoresmense Lah., Puzosia chivensis Arkh.; marine bivalve mollusks Inoceramus labiatus Schloth., Gryphaea vesiculosa turkestanica Bobk., foraminifers - Gaudryinopsis akrabatensis (Zhuk.), Hedbergella holzli (Hagn.), H. tschikrisovi (Arap.); ostracods - Cytherella elegans Andrv., Schuleridea atraxa Mand

Age

Belongs to the Lower Turonian.

Age Span:

Beginning stage:

Turonian

Fraction up in beginning stage:

0.1

Beginning date (Ma):

93.45

Ending stage:

Turonian

Fraction up in the ending stage:

0.4

Ending date (Ma):

92.10

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)”