Kuvin Limestone Fm
Period:
Cretaceous
Age Interval:
Upper Cretaceous (Turonian), F9d
Province:
Fergana
Type Locality and Naming
Along the village of Kuva, South-Eastern Fergana. O. S. Vyazlov, A. M. Gabril'yan, 1947 (157, p. 37).
Synonym: Kuvin Limestone, Кувинский изв.
Lithology and Thickness
Massive, dense, gray limestone. Thickness 4-14m.
Lithology Pattern:
Limestone
Relationships and Distribution
Lower contact
Lies in the roof of the Ustrichnaya Fm
Upper contact
Conformably overlain by the Yalovach Fm
Regional extent
Naukat depression, South-Eastern Fergana.
GeoJSON
null
Fossils
Contains marine bivalves - Liostrea delettrei Coq., Megatrigonia turkestanensis Arkh.; gastropods - Tylostoma ferganense Pčel., sea urchins - Echinobrissus markovi Faas, Hemiaster blanckenhorni Gauth., H. solignaci Lamb.
Age
Belongs to the Turonian (416). N. N. Bobkova" Strat. sl. (446).
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:
0.5
Ending date (Ma):
91.65
Depositional setting
Depositional pattern:
Additional Information
Compiler:
I. M. Abdouazimova – In: GeoGPT translation of: ”Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)"