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

Dekhkanabad Formation

Dekhkanabad Fm

Period:

Cretaceous

Age Interval:

Upper Turonian, B1

Province:
Bukhara-SW Gissar

Type Locality and Naming

Along the village of Dehkabad, South-West Gissar. Kh.Kh. Mirkamalov, M.E. Egamberdyev, 1969 (300, p. 63). Stratotype 5 km northwest of the Akbrat (Akrabat?) settlement. Middle formation in the Adamtash Gr.

Synonym: Dehkanabad Suite, Дехканабадская св.

Lithology and Thickness

Clays with shell limestone interlayers in the Lower part, variegated clays and gypsums in the Middle, and dark clays with interlayers of organogenic-detrital limestones in the Upper part. Thickness 30-160 m.

Lithology Pattern:

Shallow-marine marl

Relationships and Distribution

Lower contact

Conformably overlies the Talhab Fm

Upper contact

Conformably overlain by the Modun Fm (Pachkamar Fm).

Regional extent

Corresponds to (or unites) the Dasgirak Fm and Muzbrat Fm (Muzrabat Fm). M.R. Jalilova (51; 190), S.V. Lobacheva. Str. sl. (446).

GeoJSON

null

Fossils

Contains ammonites - Collignoniceras woolgari Mant.; marine bivalve mollusks - Costeina costei (Coq.), Liostrea delettrei Coq.; Inoceramus woodsi Böehm., Plicatula auressensis Coq., Pl. batnensis Coq.

Age

Belongs to the upper Turonian.

Age Span:

Beginning stage:

Turonian

Fraction up in beginning stage:

0.4

Beginning date (Ma):

92.10

Ending stage:

Turonian

Fraction up in the ending stage:

0.7

Ending date (Ma):

90.74

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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