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

Sangrezin Formation

Sangrezin Fm

Period:

Cretaceous

Age Interval:

Cenomanian, Z1

Province:
Zarafshan-N.Gissar

Type Locality and Naming

From the Tajik name of the gravel, Tajikistan. M.R. Jalilov, Yu.N. Andreev, F.Kh. Hakimov et al., 1971 (191, p.74). Stratotype in the area of Ravat village, on the right bank of the Yagnob River.

Synonym: Sangrezinskaya Suite, Сангрезинская св.

Lithology and Thickness

Red-colored polymictic conglomerates with interlayers of variegated siltstone (aleurolites), gravellites, and sandstones. Thickness 44-105m.

Lithology Pattern:

Aus Conglomerate

Relationships and Distribution

Lower contact

Transgressively overlies the Jurassic

Upper contact

conformably overlain by the Kuhistanian Fm

Regional extent

Zarafshan district, Northwest Gissar.

GeoJSON

null

Fossils

Contains marine bivalve mollusks - Pterotrigonia ex gr. aliformis Park.

Age

Conditionally attributed to the Cenomanian. (56; 191; 446; 452).

Age Span:

Beginning stage:

Cenomanian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

100.50

Ending stage:

Cenomanian

Fraction up in the ending stage:

0.7

Ending date (Ma):

95.88

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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