Shorbel Fm
Period:
Cretaceous
Age Interval:
Late Cenomanian (K21), Ak-Ra1
Province:
East Tajik (NE Pamir)
Type Locality and Naming
Includes in Akbaital-Rangkul region
Synonym: Shorbelsky suite, шорбельской свитой
Reference section:
Lithology and Thickness
It is represented by gypsums, marls, siltstones, and clays with a thickness of 40-90 m, containing salt lenses in the Tuzopsay area.
Lithology Pattern:
Gypsiferous claystone
Relationships and Distribution
Lower contact
Schematic stratigraphic column indicates the next formation as Mergen Fm
Upper contact
Schematic stratigraphic column indicates the next formation as Gazdagan Fm
Regional extent
In the Sarykolsky district of the Northern Pamir, the Upper Cretaceous forms the largest exposures and is most studied in the valley of the Kyzyljik river and along the northern rim of the Rangkul lake basin. This horizon likely corresponds to the Tagarin horizon Fm of the upper Cenomanian.
GeoJSON
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Fossils
Age
Late Cenomanian
Age Span:
Beginning stage:
Cenomanian
Fraction up in beginning stage:
0.7
Beginning date (Ma):
95.88
Ending stage:
Cenomanian
Fraction up in the ending stage:
0.8
Ending date (Ma):
95.22
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Extracted from Baratov, R. B. (1976). Subdivisions of stratified and intrusive rocks of Tajikistan. Donish, Lakhsh district, 276.