Palvantlash Fm
Period:
Cretaceous
Age Interval:
Upper Cretaceous (Campanian), F9
Province:
Fergana
Type Locality and Naming
Along the village of Palvantaş, South-Eastern Fergana. S.N. Simakov, 1953 (1953, p. 101).
Synonym: Palvantash Suite, Палвантлашская св.
Lithology and Thickness
Gray, variegated clays, sandstones with layers of gypsum, limestones, and marls. Thickness 30-70 m, up to 400 m in the depression.
Lithology Pattern:
Sandy limestone
Relationships and Distribution
Lower contact
It lies conformably on the Yalovach Fm
Upper contact
It is conformably overlain by the Sarytok Fm, sometimes transgressively by the Paleogene.
Regional extent
South, West, South-Eastern Fergana.
GeoJSON
null
Fossils
Contains marine bivalve mollusks - *Liostrea cf. acutirostris* Nils., gastropods - *Melanoides martinsoni* Zharn., *Mathilda pojarkovae* Zharn.
Age
It is assigned to the Campanian (1953; 1953; 1953).
Age Span:
Beginning stage:
Campanian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
83.65
Ending stage:
Campanian
Fraction up in the ending stage:
1.0
Ending date (Ma):
72.17
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)”