Karaalmin Fm
Period:
Cretaceous
Age Interval:
Cenomanian, F3
Province:
Fergana
Type Locality and Naming
Along the Koraalma River, right tributary of the Kugart River, Fergana. N.N. Verzilin in 1961 (139, p.76). Stratotype in the basin of the Kugart River. Lowermost formation in Varzyk Gr
Synonym: Karaalmin Suite, Караалминская св., Koraalminskaya Suite
Lithology and Thickness
Red, gray gravels, conglomerates with layers of whitish carbonate rocks. 10-30m, in North Fergana up to 230m.
Lithology Pattern:
Aus Conglomerate
Relationships and Distribution
Lower contact
Lies conformably on Sharikhan Fm
Upper contact
It is overlain by Urumbash Fm
Regional extent
North and East Fergana.
GeoJSON
null
Fossils
Age
Conditionally belongs to the middle Cenomanian, Along N.N. Verzilin, - to the Cenomanian. (140; 446).
Age Span:
Beginning stage:
Cenomanian
Fraction up in beginning stage:
0.4
Beginning date (Ma):
97.86
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. Abdouazimova – In: GeoGPT translation of: ”Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)"